good morning, america. this morning president trump is waking up at walter reed medical center after receiving an experimental treatment for covid-19. president trump tweeting overnight after recording this message to the american public. >> i think i'm doing very well, but we're going to make sure that things work out. >> seeking to reassure the nation after his covid-19 diagnosis. plus, the breaking news overnight, two more people in his circle testing positive. presidential treatment. what we're hearing from the president's doctor. plus, the experimental antibody cocktail trump received. we'll talk live to the president of regeneron about how it works and potential risks. campaign in crisis? the president hospitalized a

month before election day. what could this mean for the debate schedule? >> it's a bracing reminder to all of us that we have to take this virus seriously. >> where do the campaigns go from here? contact tracing. the people in contact with the president in the days leading up to his diagnosis. and the tough questions the administration is facing about going ahead with a fund-raiser despite knowing a top aide was infected. we'll talk live to trump campaign adviser, corey lewandowski. words of support. well wishes for president trump from around the world. both sides of the aisle and former presidents, their messages this morning. hey, good morning, everybody. the latest word we have from the white house is that president trump is in good spirits and has mild symptoms of covid-19.

they say sending the president to the hospital was just a precaution and that he will be able to work while he's there. on friday trump missed a conference call on covid-19. vice president pence who has tested negative stepped in for him. >> first lady melania trump is remaining at the white house in isolation, also we are told with mild symptoms. officials saying their son barron so far has not tested positive. in addition to the president, his wife and the president's counselor hope hicks, former trump adviser kellyanne conway says she has tested positive and at least one junior west wing employee has also tested positive. so far no cabinet members have reported any infections. until his diagnosis, the president's schedule had been full of campaign events. an abc news' review of his calendar shows him face-to-face with reporters, side by side with gold star families and hobnobbing with donors. the crowds frequently without masks and not keeping their distance. abc's cecilia vega is outside walter reed this morning with

the very latest. cecilia, good morning. >> reporter: hey, whit, good morning to you. president trump's doctors said overnight he is here resting comfortably, but make no mistake this is an earth-shattering development just 31 days out before election day. the president is here now in this hospital for the unforeseeable future as the number of positive cases in his inner circle has grown from his campaign manager overnight to his former aide kellyanne conway. this morning, president trump waking up at walter reed medical center. crowds swarming as marine one touched down. white house doctors recommending he remain hospitalized for the next few days, quote, out of an abundance of caution after his covid symptoms worsened friday. sources say he's experiencing all the hallmark symptoms -- fever, cough, fatigue and chills. but overnight president trump tweeting, going well, i think. thank you to all. love.

the white house doctor says the president has already received his first dose of an experimental antibody cocktail and is being monitored by a team of experts. adding that trump has not required any supplemental oxygen and is resting comfortably. the president also started his first dose of remdesivir, the fda authorized antiviral drug. just 31 days to go until election day, it is not the image anyone in the administration saw coming. president trump exiting the white house wearing a mask during his walk to marine one. his doctor on board, the 74-year-old president headed to walter reed. and before he left, the president filming this brief video he released on twitter. >> i'm going to walter reed hospital. i think i'm doing very well, but we're going to make sure that things work out. the first lady is doing very well. so thank you very much. >> reporter: the white house doctor says the president will be treated with an experimental antibody cocktail and monitored by a team of experts. but this morning, the big question, how did the commander in chief become exposed in the first place?

his son, don junior, didn't have an answer. >> so, you know, if he can get it, probably anyone can. you know, for better or for worse, but, you know, i took they took extensive protocols and it didn't seem to matter. >> now all eyes on saturday's rose garden announcement of the president's supreme court pick, amy coney barrett. the event packed, guests shoulder to shoulder, some hugging, few, if any, wearing masks. now seven people in attendance confirmed positive including one of the president's closest confidants, kellyanne conway, tweeting overnight my symptoms are mild, light cough and feeling fine. i have begun a quarantine process in consultation with physicians. also north carolina senator thom tillis and utah senator mike lee, notre dame university president father john jenkins. five days later one of the closest aides of the president, hope hicks, testing positive. abc's jordyn phelps was traveling with the president on air force one with hicks, the

day hicks began experiencing symptoms. >> it was striking because at the time she was wearing a mask. it was striking because hope hicks never wears a mask. >> reporter: yet despite close and prolonged contact with hicks, knowing she had been infected, president trump still went ahead with the fund-raiser at his new jersey golf club anyway. the white house dodging questions. >> using marine one in that fund-raiser -- >> white house operations made the assessment it was safe for the president in consultation with others. thank you very much. >> reporter: while new jersey's governor issued this blunt warning to the hundred supporters in attendance. >> self-quarantine, everybody, take yourself off the field. >> reporter: ultimately the president and first lady testing positive and the list of infected people around them growing too. now including the republican party chair and at least three white house journalists, as well as trump campaign manager bill stepien who was with the president for this week's debate. >> i put a mask on. you know, when i think i need it. >> reporter: and now on the white house grounds a new shift.

aides like the press secretary and chief of staff, rarely seen in masks before, now donning them as the president made his way to walter reed. now, we want to repeat, because it is important, vice president mike pence has tested negative. you mention that he led that coronavirus task force call. you know, it's important because if the president's condition worsens, the vice president, of course, could be called on to perform the duties of the president while the president is in the hospital. but the white house is focusing and insisting this morning that that has not happened. eva, they say the president remains fully in charge. there has been no transfer of government. >> and, cecilia, let's go back to the supreme court nominee, the process of that. will this affect that process for amy coney barrett? >> reporter: well, what we do know, eva, is it certainly complicates it. senate majority leader mitch mcconnell says he wants to move ahead full steam ahead, in fact, but democrats are really trying to delay this now especially given, as we said in our piece,

two members of the senate judiciary committee have tested positive for the virus as a result of being in that rose garden event last saturday. but, you know, the democrats at this point, eva, don't have the votes to block it even though they are trying to delay it at this point. >> cecilia vega for us at walter reed. dan? the president, is as cecilia mentioned, hospitalized just over 31 days before the election. his campaign appearances are now on hold. the two remaining presidential debates up in the air. it is an unprecedented twist in a u.s. presidential election. abc's rachel scott also right there in washington this morning with much more on what's ahead for this unpredictable campaign. rachel, good morning to you. >> reporter: dan, this is truly an unprecedented turn, not only does the president have the virus, but now those two positive infections with the people charged with leading his re-election effort, the chairwoman of the rnc and the president's campaign manager have tested positive too. the state of the race now thrown into turmoil with just one month to go. overnight joe biden wishing the

president and first lady a speedy recovery in an interview with wood tv. >> i genuinely feel badly for the president. i hope to god that this is something that he and his wife will be able to tolerate and get through. >> reporter: returning to the trail after he received two negative coronavirus tests. >> we wanted to make sure that we're doing everything by the numbers and so i got two covid tests this morning. everything is clear. >> reporter: with the final stretch of the campaign now upended, the next set of debates will depend heavily on the president's health. >> i hope for two reasons there are more debates. one means the president is able. he's healthy and able to debate and, secondly, because i'd like to -- i think it's important we make our case. >> reporter: overnight the president's son donald trump jr. leaving future debates up to the medical professional. >> so much depends on when he can get back at it. i imagine 10, 14 days, whatever it may be.

i'll defer to the white house doctors on the details of that. >> reporter: after the president's positive diagnosis, there was an immediate concern about whether his rival, the 77-year-old former vice president, was exposed to the virus. days before the two spent more than 90 minutes sparring on the debate stage. some 13 feet apart without masks at times shouting over each other. >> but you -- >> i just want to make sure -- i want to make sure -- >> reporter: facing off over the president's handling of the pandemic. >> he's been totally irresponsible the way in which he has handled the social distancing and people wearing masks, basically encouraging them not to. >> every time you see him he's got a mask. he could be speaking 200 feet away and shows up with the biggest mask i've ever seen. >> reporter: in the audience dr. jill biden wearing a face covering, while nearly all of the trump family members taking theirs offs violating the rules of the cleveland clinic who hosted the event and refusing to comply when asked by this health worker.

the moderator of that debate now saying they arrived too late to get tested. >> they didn't arrive until tuesday afternoon. so for them to get tested, there wouldn't have been enough time to have the test and have the debate at 9:00 that night. >> reporter: as his rival fights the virus biden pressing forward with in-person events but pulling all negative advertising about trump. in michigan friday biden keeping his mask on for the entirety of his remarks using the president's positive case to send a message. >> this is not a matter of politics. it's a bracing reminder to all of us that we have to take this virus seriously. it's not going away automatically. >> reporter: now, of course, the president's large-scale campaign rallies are on hold but even as biden presses pause on negative ads the trump campaign is moving forward on that front. just 24 hours ago releasing new digital ads taking aim at biden, pushing baseless conspiracy theories about his debate performance. whit? >> rachel scott, thank you so

much. joining us now is our chief medical correspondent, dr. jen ashton. dr. ashton, great to have you on this important and developing story this morning. let's talk about some of these treatments first because the white house says president trump was given a dose of remdesivir, the antiviral drug, as well as an experimental cocktail made by a company called regeneron. this is the antibody treatment. we're going to speak with one of the co-founders of that in just a moment. but give us a breakdown first of what these drugs do and how they could help the president. >> so, whit, first we have to characterize them under the umbrellas of their treatment modalities. so there's an immune therapy and then there's an antiviral therapy. we've heard a lot about remdesivir, but the antibody cocktail made by regeneron given under compassionate use actually uses two types of synthetic antibodies, targets that spike protein and stops the virus from replicating. ironically they just released preliminary data on september

29th. they looked at about 275 patients and they found that it actually lowered the viral load, improved symptoms and some encouraging results. >> and, of course, 275 patients, that's not a wide-scale study. so still learning a lot about that. we know the president has high risk factors when it comes to his age and weight and just the simple fact that he's a man. based on all of that and the treatments that we're learning about, what does that tell us about the severity of his illness? >> well, whit, i think it's really important -- you're hearing a lot of doctors making speculative comments. the only doctors who know specifically how the president's doing is his personal physician and now his medical team at walter reed. but every patient has risk factors. as you said, being a man, twice the mortality risk across every age group compared to women as proven by data pretty early on. obesity, having a body mass index of 30 or greater, three

times higher risk of requiring hospitalization. and then age being 74, five times higher risk of hospitalization. but as we weigh these risk factors clinically in medicine, we still take every patient as an individual. >> i want to ask you about the ripple effect here. we keep hearing about how vice president pence, his wife, some others in the trump family and orbit have tested negative. but based on what we know about the incubation period does this in any way mean they're out of the woods? >> it doesn't, whit, and that's what's really important right now. even though we're nine months into this pandemic, there's still a lot we don't know. we know that the average incubation period from time of exposure is 5.2 days. we also know that in the presymptomatic stage, people can start shedding virus or be contagious 48 hours before the development of symptoms. that brings us around three days. so if you're exposed right now and an hour later you go to get

a test, that could be in that latency period where you get a negative result and you're actually infected. so i asked dr. fauci this question specifically. do we know when the ideal time is? he said we really don't but based on the available data he would say day three, day four, day five. we have to remember every test can have false negatives, as well as false positives. so i would be betting that there will be a lot of testing in the white house circle in the days and weeks to come. >> definitely something to watch in the coming days. dr. ashton, thank you so much. we'll talk to you again in our next hour. eva over to you. joining us is george yancopoulos, president and chief scientific officer of regeneron, that company that makes the experimental treatment given to the president. thank you so much for being with us this morning. >> sure, eva. >> talk to us about this treatment. i know it's still in trials. but what's the data showing you?

how effective is this? >> well, importantly i should tell you this is not some unvalidated approach. we pioneered the technologies to deliver this cocktail over the last 20 years and it has an impressive track record of delivery, some of the world's most important and safest medicines. we actually even use this technology to fight another epidemic, ebola and hopefully later this month it will be the first treatment against ebola ever to be approved by the fda. so this is a tried and true approach. and, as your own dr. jen ashton just described, we just released some preliminary data from our ongoing trial, but the data was quite convincing that we had true antiviral activity in patients who had the highest viral levels who were at the most danger. we showed that we could reduce

the virus levels by about 99% in just a few days and obviously because it's this race between the virus and your own immune system, anything that can help your immune system lower the viral levels helps you win that race, helps you beat this virus. >> so a lot of people are curious. how did this treatment reach the president? did the fda sign off on it? >> yeah. there is a standard approach. it's called the compassionate use approach. it's intended to deliver experimental medicines that have some evidence but have not been approved to patients who are in high need and need them. this mechanism has been in place for decades. we've actually been asked before. this has to be initiated by the patient's physician, in this case, the doctor -- the president's team of doctors, they have to initiate the process. they have to get approval from the fda for this.

and then they had to work with us so that we could deliver the medicine to the white house. >> and real quickly, yes or no question, is the first lady taking this as well? >> you know, we can't comment on anything that hasn't been described publicly or announced publicly by the white house. all we can do is confirm that we did deliver the medicine to the white house and as the white house has said, the president received this treatment. >> well, we appreciate -- >> i should mention that small numbers of other individuals, their doctors have requested this cocktail before and we've delivered it in a similar manner, but this is not a mechanism that's intended to widely distribute this drug to lots of people. >> george yancopoulos, we appreciate your time this morning. thank you so much. dan? let's switch it up and check the weather. rob marciano out in connecticut this morning. but, rob, we're hearing about more activity in the tropics. >> reporter: it's october and we often get a second peak. good morning. we have another tropical storm in the western caribbean that

looks like it's going to eventually get in the gulf of mexico. gamma. here's a look at where it is, 50 miles south of cozumel and will be impacting the yucatan and make a landfall there. tropical storm warnings up and mainly rainfall with this and the track gets into the gulf of mexico and then just kind of meanders. we'll have to watch it closely. it will bring heavy rain for sure to inland parts of mexico. more activity in the central caribbean and beyond. it will get into the gulf of mexico as well. what it does when it get there is reacts with gamma. it's a mess right now. we'll have to watch both for sure. miami, you're getting rain. try to stay dry. that's a check in the tropics. time for a look at y good saturday morning. i'm lisa argen. a spare the air alert today. you can see hazy conditions here from mt. tam. elevated fire danger for another day, and looking at slightly cooler weather today especially

at the coast. noticeably cooler tomorrow, still a little hazy. could see some rain, though, by this time next weekend. 84 for you today in fremont. look for 87 in napa, 92 in livermore, and the loo >> rrmore, and the loo >> reporter: beautiful harvest moon set and sunrise this morning in connecticut. we'll talk about california fires in the next half hour. guys, back over to you. >> rob, thanks so much. we'll talk to you soon. now to the outpouring of support for president trump and his wife, the first lady. words of kindness coming from political opponents like hillary clinton and barack obama. janai norman is here with more on that story. >> reporter: overnight an outpouring of support for president trump as supporters gathered outside walter reed medical center. leaders from both sides of the aisle sending well wishes. >> but, of course, as with everyone we all received that news with great sadness. i always pray for the president and his family that they're safe. i continue to do so more intensified. >> reporter: support pouring in from other countries. >> well, obviously i think we

all want to send our best wishes to the president and the first lady and i've done that this morning as you can imagine and i'm sure that they'll both stage a very strong recovery. >> reporter: former president obama tweeting that political affiliation aside let's remember that we're all americans. we're all human beings and we want everyone to be healthy no matter our party. and former presidential candidate hillary clinton wishing the trumps a speedy recovery. supporters from around the country speaking out. >> very sad, but we keep them in prayer and that they'll recover. >> reporter: it certainly was a week of whiplash in the political world after the insults and attacks at the presidential debate, everything changing with word the president contracted covid-19 with well wishes pouring in from across the political spectrum and across the world. guys? >> janai, thank you. coming up, contact tracing. what some people who were at the president's events are saying about his diagnosis. we'll talk live to trump

campaign senior adviser corey lewandowski. this as cases rise in dozens of states. the latest on the pandemic across america coming up. and mask debate. will the president's illness change the debate in america over wearing masks? we'll be right back. right back. "good morning america" is sponsored by geico. 15 minutes could save you 15% or more on car insurance. surance. yeah, that's half the fun of a new house. seeing what people left behind in the attic. well, saving on homeowners insurance with geico's help was pretty fun too. ahhhh, it's a tiny dancer. they left a ton of stuff up here. welp, enjoy your house. nope. no thank you. geico could help you save on homeowners and renters insurance.

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welcome back. welcome back to "gma" on this saturday morning. we are looking at walter reed medical center in bethesda where president trump is waking up this morning and being treated after testing positive for covid-19. >> the white house saying the president will be working from the presidential offices at the medical center for the next few days out of an abundance of caution. the president's physician saying he's received the drug remdesivir, along with an experimental antibody treatment as a precautionary measure and that he remains fatigued, but in good spirits. abc's cecilia vega joins us from bethesda, maryland, with more. good morning to you, cecilia. >> reporter: eva, good morning again. the doctor says president trump is resting comfortably, but he'll be here for the next few days. this was a remarkable sight

yesterday when we saw president trump leave the residence of the white house to board marine one. he was wearing that mask. we know now he's experiencing as you said mild symptoms and has a fever, a cough, fatigue, chill. of course, he is being monitored at walter reed by some of the best experts in the world. he received that dose of remdesivir. that's the drug that is supposed to help shorten a hospital stay and doing that experimental antibody cocktail. he tweeted overnight that things are going well. but, you know, the big question right now, guys, is whether that rose garden event where he announced his supreme court pick last saturday ended up being a super spreader event? seven people we now know who were in attendance at that event since confirmed positive including his former adviser, his top aide, kellyanne conway. she says she's experiencing mild symptoms but in addition to that two republican senators, one from north carolina, thom tillis and utah's mike lee. in addition to that, guys, we're also seeing the number of people in the president's inner circle grow who have now tested positive. you'll remember hope hicks, we're now learning that the campaign manager has tested

positive. also the head of the republican party, she has tested positive. guys, this could potentially be a devastating blow as we are just 31 days out from the election. >> timing is incredible. cecelia, thank you so much. to be clear, we don't know yet exactly when president trump was infected with the coronavirus. according to the associated press, white house officials said trump had boarded marine one for a trip to new jersey for an event there before they heard that his close aide hope hicks, had tested positive. the event in bedminster went ahead. among those attending, the comedian joe piscopo. >> this event had bedminster was meticulous. everything the president does it runs like clockwork. the security was like clockwork. everybody got tested and there were masks and adhering to the cdc guidelines. i'm a germophobe and i worry about everything and the president is more of a germophobe than i am.

when you get there and you see everything opened up like that and people masked up and they're testing everyone for covid, i felt safe to be there. >> the day before trump held a rally in minneapolis. that was the day when hope hicks started to feel sick. among those on the trip, trump campaign senior adviser corey lewandowski who joins us right now. he's got a new book out called "trump: america first" just released this week. corey, good morning to you. you tested negative before that event with the president in minnesota on wednesday night. after the event hope hicks tested positive. did the white house reach out to you and let you know and warn you and ask to you get tested again? >> well, dan, good morning. you know, i did attend the event with the president on wednesday. prior to going into the event everybody had to produce a negative covid test which they did. i have not -- i did not hear from the white house after hope hicks tested positive. any type of contact tracing -- but i went and got a test yesterday and had the results come back negative.

>> i'm glad to hear the results are negative. you know, the former governor of new jersey, our colleague here at abc news, chris christie, was with the president for days helping him to prepare for the debate. he told us the white house didn't contact him either and he also found out through the news reports what was going on. to you does this speak to some weakness in the white house procedures? >> well, i think we have to understand how this is all being tracked obviously and where this came from. i hear a lot of talk about the rose garden ceremony for amy coney barrett. i was at that event on saturday. again, i was tested prior when i walked into the white house complex prior to sitting in the rose garden. but we're also hearing that bill stepien and the campaign manager and head of the republican party have contracted the virus and neither one of them were at the rose garden. so, look, i don't think it's as simple as one event and i'm not sure in the testing protocols.

if you test negative on a wednesday, but then you start with your symptoms later in the day and then test positive on thursday, how that occurs. i'm not a physician or someone who runs these tests, but, you know we have to look at that i think to understand. if hope hicks was feeling ill on wednesday coming back from minnesota, but provided a negative test earlier in the day, how do we know when that begins to grow and begins to manifest itself? >> the president as you know has been criticized for not wearing a mask and talking down, people who do for holding indoor rallies where there isn't a lot of social distancing and for playing down the seriousness of this pandemic. do you expect now that he's been tested positive for covid-19 that his tone and all of the white house protocols that you and i have been discussing might change? >> you know, i think the white house, just to be clear, i don't work for the white house but i think they'll look at all of those protocols to make sure people who are working there are doing their very best to keep the president and the first family safe. obviously our thoughts and

prayers are with the president, the first lady for a speedy recovery. we want that to happen immediately. and i do know that the protocols when you go to the white house require everybody to be tested whether you're going to see the president or you're going to be in the west wing or not. every person who goes onto that complex are tested when they come on to the complex and i think that's a smart decision. but we have to ask ourselves what more can we do? and the president is very much encouraging and always has for hand washing and keeping socially distant. when i was with him on wednesday, everybody was behind rope and standing away from him. eight-foot distance for everybody with him. even when it came time to taking pictures the president was clear he was keeping a socially distant area between him and the other people. >> of course, many of the people in the crowd are not masked or socially distanced. but anyway, corey lewandowski, really appreciate your time and congratulations on your new book. thank you very much and glad you're tested negative for

covid-19. we're going to switch it up again and get it out to rob marciano in connecticut with the latest on the weather. hey, rob. >> reporter: beautiful morning. good morning, dan, here in the northeast and new england, especially we'll go to california, boy, where that glass fire in calistoga and wine country continues to burn. less than 10% containment. 60,000 acres with multiple structures down. the weather will be improving but those sights and scenes there, still very much heartbreaking and dramatic. all right, dry weather, brief time it will be elevated fire danger across southern california this morning with temperatures remaining in the upper 90s, over 100 degrees. phoenix, tucson, you hit another all-time record for the month of october yesterday with a 103 and riverside you were up and over 100 too. but here comes the cooler weather, first in san francisco and the northwest and then eventually pouring into the rest of california and the southwest by the middle of the week, 20 degrees cooler which will be nice. that's a check on the nation's

good morning. until we get a bigger shift in our weather pattern conditions remain pretty hazy especially this weekend around the bay. low 90s today inland with some cooler numbers at the coast. >> reporter: this weather report >> reporter: this weather report sponsored by blue cross/blue shield, our union's carrier. and, dan, as long as your sit-down strike hasn't disqualified you from benefits, you won't get sick. >> took a couple weeks off to do a meditation retreat and when i came back there was quite a bit of news that had transpired. >> you missed a few things. >> i missed a few things. >> reporter: welcome back, buddy. >> thank you, buddy. >> dan harris didn't talk a whole lot for ten days. >> yeah, eva wishes she could be around me when i don't talk and this morning i'm super chatty. >> no, we missed you. thanks, rob. coming up on "good morning america," coronavirus cases seeing an uptick in dozens of states. the rising totals to tell you about.

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welcome back to "gma." welcome back to "gma." as president trump receives treatment for coronavirus cases are increasing in 32 states and puerto rico and deaths are rising in 12 states. let's get the latest on the situation across the country from abc's trevor ault here in new york. trevor, good morning. >> reporter: good morning, whit. president trump is certainly the most prominent person to contract coronavirus but he's also only 1 of more than 50,000 americans who tested positive yesterday alone, not to mention the thousands of other people who like the president are battling this deadly virus in the hospital as now more than half the united states reports their numbers are trending in the wrong direction. this morning, the coronavirus pandemic still upending the lives of thousands of american families every day. >> this virus loves everybody the same. it does not discriminate and it's going to go after anybody. >> reporter: in cleveland officials report 11 cases stemming from the setup for this week's presidential debate.

part of a spike in ohio, 1 of 32 states and puerto rico reporting rising case totals and hospitalizations climbing in 26 states, including record numbers in wisconsin where health officials warn hospital beds are filling up. >> we have very, very strong contingency plans and do not want to get to that tipping point. >> reporter: wisconsin's governor tweeting, we have to get this virus under control and we cannot do that if folks continue to go about their lives as usual. leaders in tulsa, oklahoma are making the same plea now requiring everyone age 10 and up to wear masks in public. >> is it causing decreases in the active cases? is it making the positivity rate decline? the answer to all those questions is yes. >> reporter: but across america thousands are still fighting for their lives. north dakota couple brian and rita bush now are both battling the virus, brian now on a ventilator. >> i'm here to tell you when it affects you this close, it really is a big deal and you see immediately how important it is

to take those precautions and be extra careful. if it means saving someone's life or saving someone like the pain that we're going through, then i don't know why it's up for debate. >> reporter: here in new york city public schools have re-opened and limited indoor dining is back, but the mayor reports the seven-day average for positive tests is now up to 1.53%. if it gets up to 3% schools will have to shut down. eva? >> a lot of parents watching those numbers. trevor ault for us, thank you. coming up on "good morning america," getting the message. will the president's covid-19 diagnosis change minds about wearing masks? wearing masks? an important message from medicare. fraudsters, they're out to get your medicare number so they can bill fake claims in your good name. don't give them that chance. just calling to confirm your medicare number. do you have your card available? for example, if the caller says they're from medicare, watch out. it's probably a scam.

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president trump has consistently downplayed the importance of wearing a mask during this covid crisis, often refusing to follow his own government's public health advice. so could his diagnosis change minds about wearing them? elwyn lopez has a look at that. >> reporter: this morning a nation divided on the use of masks. >> it is a necessity and has become a necessity. >> reporter: wearing a mask has been at the center of political conflict. >> i'm anti-mask. herd immunity, open it up and get on with life. >> reporter: for months, the cdc has recommended people wear face coverings to protect against coronavirus, despite advising against it at the beginning of the pandemic unless sick or caring for someone ill. now they say they can lower the risk of infection by up to 85%. it wasn't until july that the president was seen wearing one for the first time in public. >> i've never been against masks but i do believe they have a time and a place.

>> reporter: wearing a mask continues to be at the center of political conflict. >> i hope the cases of covid in the white house is a wake-up call and we start following the lead of public health. it's going to save lives. >> reporter: even a point of mockery in tuesday's presidential debate, about 48 hours before president trump and the first lady tested positive for covid-19. >> i wear masks when needed. >> like at your rallies? >> i don't wear masks like him. every time you see him he's got a mask. he could be speaking 200 feet away and shows up with the biggest mask i've seen. >> reporter: backstage ivanka trump tweeting this photo showing members of the president's family wearing a mask, but after they took their seats taking them off, violating the venue's mandate. it's unclear how the president and first lady contracted the virus. just a month before election day. the cdc recommends people wear masks in public settings especially when social distancing measures are hard to

maintain. eva? >> elwyn lopez for us, thank you so much. we'll be right back with our "play of the day." we'll be right back with our "play of the day." taking my treatment at home. nucala is a once-monthly add-on injection for severe eosinophilic asthma. not for sudden breathing problems. allergic reactions can occur. get help right away for swelling of face, mouth, tongue, or trouble breathing. infections that can cause shingles have occurred. don't stop steroids unless told by your doctor. tell your doctor if you have a parasitic infection. may cause headache, injection site reactions, back pain, and fatigue. ask your doctor about nucala at home. find your nunormal with nucala. largest catastrophe response teams, state farm will always be among the first to arrive and the last to leave. to help show that human nature is greater than nature. like a good neighbor, state farm is there.®

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♪ you're simply the best "good morning america" is sponsored by chick-fil-a. the "a" is for all the little things we do every day. and welcome back to our "play of the day" and the lakers moving close story winning the nba championship. they beat the heat overnight, 124-114, taking a 2-0 lead in the title series. lebron james, anthony davis working their magic on the court together. the first lakers' duo to score more than 30 points each in a finals game since shaquille o'neal and kobe bryant did it. they did it in game three against new jersey back in 2002. the next game is tomorrow night right here on abc. >> are the celtics still in the mix? >> no, this is the finals.

>> so they could still make it? >> maybe next year. >> the flame is alive. >> always following closely. "gma" is now two hours on saturday. coming up the latest on president trump's coronavirus diagnosis and what it all could mean for an already wild campaign. our "gma" cover story, an inside look at the presidential suite inside walter reed medical center where the president is being treated. being treated. good morning, everybody. i'm liz kreutz. happening today the bluegrass sounds of golden gate parking it'll be moving online for its mini festival. event organizers put together a celebration of new and best performances through the years.

it is completely free. it goes from 2:00 to 5:00 on facebook live or by visiting harv harvey strictly bluegrass.com. happening today it is the first west coast craft market in san francisco. the outdoor market brings together 50 of the best artists and designers in the area. this will be held at fort mason center from 10:00 to 4:00. the event is free. you are reminded to keep your mask on while shopping. vendors will be spaced-out at least 2 feet apart to allow for social distancing. of course we're tracking the weather and fire danger so let's go over to meteorologist lisa argen for a look at the forecast. >> very hazy out there. 50s on the coast. you can see the fog here at the golden gate bridge. this will clear, temperatures are cool. look at those upper 40s in the north bay, 61 in livermore. still hot where the fires are burning near 80 degrees there in the upper elevations and winds

still quite gusty. they will trend a little lighter, and then we're going to see them get stronger in the afternoon again as they shift to the north-northwest. the air quality continues to improve tomorrow. still some 90s today, a warm afternoon. low 90s inland with upper 60s at the coast, those breezy winds in the north bay. >> up next, president trump trump battling covid-19 at walter reed medical center. the president's physician

they do one of the most deven in normal times.s, our frontline health care workers. and when these heroes lack the resources they need, that risky job gets ten times harder. prop fifteen makes corporations pay their fair share. to invest in our communities, in our clinics, in the essential workers who treat everyone- rich, poor, and in-between. whether it's this pandemic or the next health crisis, vote yes on prop fifteen. for all of us.

i think i'm doing very well, but we're going to make sure that things work out. >> president trump is in the hospital this morning with covid-19 after the white house says he is experiencing mild symptoms. he and several of his contacts have tested positive for the virus after attending a rose garden event one week ago. good morning, everyone. i'm liz kreutz, and we are joining you now instead of good morning america because we are bringing you college football on abc at 9:00 a.m. brand new developments this morning on president trump's condition battling covid-19 at walter reed medical center outside of washington, d.c. now, we are awaiting a special report on his condition any m