more on ba-5. we know now from experience that we've had over the last couple of months and others in other countries that it doesn't appear to be associated with greater disease severity or hospitalizations compared to the most recent subvariant. also, good news, is that the current anti-virals and map is predicted to work as treatments, as is evusheld predict today work as a pre--exposure, what does that mean? the meaning of sars-cov-2 and variants emerge if the virus circulates globally and in this country. we should not let it disrupt our lives, but we cannot deny that it is a reality that we need to deal with. but as you'll hear from all of us, the good news is that we have the tools to do this. we need to keep the levels of virus to the lowest possible level and that is our best defense. if a virus is not very robustly replicating and spreading, it gives it less of a chance of a mutation which gives it less of a chance of the evolving of another variant. importantly, we have the tools. as you

people with prior infection even with ba.4 and ba.5 are likely still at risk. we continue to learn more about these omicron lineages and the cdc is closely monitoring the public health impact they have. several factors will play a role in how ba.4 and ba.5 will impact the united states and impact of the sub variance will likely be felt differently around the country. these factors include the level of vaccinations into boosting in communities. the amount of prior infection a community has experienced and the level of public health mitigation measures that are in place. while there is no evidence available to suggest that ba.4 or ba.5 caused more severe disease, and we are still collecting data on the vaccine effectiveness against . ba.5, we know vaccine effectiveness against severe disease and death remains high for others sub lineages and likely also . ba.5. so staying up-to-date on your vaccines provides the best protection against severe outcomes. currently, many americans are under vaccinated meaning that they are not up-to-date on their covid-19 vaccine. n

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the cdc estimates that together, the ba.4 and ba.5 subvariants represent more than 80 percent of u.s.accination or prior infection does not guarantee protection from these variants. joining us to discuss this and what role vaccines play in this latest surge, is dr. peter hotez, dean of the national school of opical medicine at baylor college of medicine in houston. in the time since we've had a covid vaccine i think the only silver lining to cating covid is you would not catch it again but that seems to no longer be the case especially with this latest subvariant. what accounts for that? dr. hotez: what is happening is if you had an omicron infection in the past, and a lot of americans have, because during that big spike in january, there were roughly one million new cases per day according to some estimates, that is not conferring protection against the ba.5 reinfection. the other name for omicron is ba.1 and it is not conferring protection for ba.5, and less you have been vaccinated and boosted, preferably twice. that's what is needed to combat ba.5, to max out vaccinations. that se

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that is ba.5. >> the worst covid subvariant so far is here and doctors say the ba.5 strain comes witht impact all of us. good evening. larry: we have been dealing with covid for more than two years. so why is this strain so much worse? ama: stephanie sierra is a member of our vaccine team and she joins us live to break down the top reasons doctors are concerned. stephanie: the ba.5 variant is spreading so fast, doctors say it has never been easier to get infected with covid, even if you are vaccinated. everything from heightened transmissibility to more severe symptoms. we are looking into the top five reasons why ba.5 is shaping up to be the worst. it is not often we hear california called a wright state. but when it comes to covid transmission the cdc could not be more clear. nearly every county across the state with the exception of six is red, signaling high levels of covid community transmission. that includes the entire bay area. so is a new surge coming? >> i think it is at least the second worst surge. stephanie: the cdc estimates more than half of new cases stem from omicron

>> is not the case with ba.5 unfortunately.the old days even though in january you got something, you kinda have a get out of jail pass for 3 months. it is not the case with ba.5, meaning if you got infected three or four weeks ago that was likely 2 or 12.1 because ba.5 is like resetting the clock you can get reinfected for weeks to six weeks after your last infection. ba.5 stays dominant that three- month window starts again. >> always enjoy talking to dr. peter chin-hong. we talked a lot about covid , masking, booster shots, to watch a full interview download the nbc bay area streaming app. you can find it under the must- see playlist. >>> crews are making progress in the washburn fire in mariposa grove. it is not 58% contained, an increase of 50% this morning. the fire started nearly 2 weeks ago and burned 7 mi.2. evacuation orders for those living in the area have been lifted. the fire is now burning in the sierra national forest and that will be closed until next month. the fire threatened the world of california giant seq

.7, y tambiÉn la ba.2675. la cÁmara de representantes aprobÓ un proyecto de lev para establecer el acceso a mÉtodos anticonceptivos que permitirÍa a cenentre esos de salud amparar mÉtodos anticonceptivos. en el congreso expertos creen que quienes se oponen tienen un camino difÍcil para darle un reverso a la ley de matrimonio igualitario, ya que fue respaldada por 47 republicanos en el paÍs que consideraron que matrimonio entre personas del mismo sexo es un derecho que debe mantenerse. el gobernador gavin newsom pidiÓ explicaciones en una reuniÓn de las autoridades universitarias, la primera obligaciÓn de cada universidad es con los estudiantes, y (hablan en inglÉs) debe explicar bien cÓmo mejorarÁ esto. las autoridades acadÉmicas dijeron que no se referirÁn a las criticas del gobernador. >>> es momento de los deportes. la posibilidad de que el futbolista dani alves llegue a la liga mx es mÁs fuerte, les tengo una pista que lo deja muy claro. >>> si esta no es una seÑal clara que dani alves estÁ a punto de firm

. ♪ ba da ba ba ba ♪ hey, everybody! welcome back.reported on politics for two decades, and is the host of "all in with chris hayes." please welcome chris hayes! ♪ ♪ ♪ ( cheers and applause ) i thought it was remarkable compelling >> stephen: what is it about that? >> stephen: what does that say about the reality that we don't know yet. >> just how close it came. how close we came to is a coup being pulled off, the praith leading a mob against the government at the capitol. it was a matter of seconds and feet between the vice president of the united states who had a target painted on his back by the president and a crowd who was out for the blood about him. you can hear on the vocal tambor on the comes of the secret service, they are in fight or flight mode. these are usually, as you say, very cool customers. they are trained to deal with eventualities. they are trained to deal with that exit is closed, we'll go to that exit. you can hear panic in the voices. >> stephen: they don't have total operational and situational awareness. the

up 90% in the samples of ba.4 or ba.5.t seeing any dramatic increases but we are still seeing about 100 cases per day. in marin county, tempe broke in the hospital. we anticipate that -- 10 people a day in the hospital. we anticipate that to continue with the emergence of this new variant. kristen: at a plus our hasn't dropped yet, but we don't know if president biden has ba.5. chances are he does. tell us why it is so infectious and contagious. >> as this virus continues to evolve, it makes sense that each strain sort of out the previous one. the way it does that is been moving more effectively to the community. -- through the community. so it makes sense they are more contagious than the last variant. they are also further from the original strain. the immunity we may have gained from prior infection or boxing becomes less and less effective at protecting against the new variants. in this case ba.5. it is more effective at evading the immune response. kristen: a bit is less effective at keeping people from catching it, i

they expected to see ba.5 but lo and behold, there is a new thing called ba.2 .75. it's a flavor of omicron causing a surge in some areas of india. it has been active in 14 countries. it is in the wastewater in california, so it's just a matter of whether it's going to beat back ba.5. it's like the day of lambda and the california variant. you can look in the lab and see scary things but you can never predict what is going to be dominant in the world until everything gets on the same playing field. kristen: which -- with each of these subvariants, even if it is more trends very -- even if it is more transmissible, hopefully less potent, especially with the vaccines and boosters. is that happening? >> it is too early to tell with ba.2 .75. my gut feeling is, based on what trends we have been seeing so far, it is not only the variant that is becoming weaker in terms of causing serious disease, it's a matter of the population seeing successive waves and waves of immunity. but make no mistake about it, people are still going to get sick and die and it's important not to

they thought it was all going to be ba.5, and lo and behold, it was new, ba.2.75. we don't know if that doubling would hold out in a bigger sample, but it is something to look out for. what it also reminds me of the conversation around lambda and some of these other scary looking variants that were more regional. and we never know what will happen until ba.5 comes neck and neck with ba.2.75. >> it's never good to see hospitalizations rising, because that is a person with a family every single time, but you're really good at putting things into perspective for us. the majority of these infections from these subvariants you say are milder and what do you make of the hospitalizations rising? >> so i think hospitalizations are a tough number to put your head around because they reflect people who are also diagnosed with covid because they were screened as opposed to people who are really sick. nevertheless, do they give us a good metric overall, but to put things in perspective, at ucsf today in four

ba-ba-ba-da! ♪ people are especially feeling the pain at the grocery store.eporters are telling us that some shoppers are paying more than $200 for a five-pack of short ribs, while the price of a bulk pack of toilet paper had surged from $17 to $25. that is crazy. i remember even recently when toilet paper was perfectly affordable. even during the first few weeks of the pandemic, all you needed was seven bucks and the willingness to body-check the old lady reaching for it into the calgon display. just throw a bow. ya-ya-kaw! i got kids! ( applause ) buy a bidet! ( laughter ) of course, nowhere-- nowhere-- of course, nowhere are prices higher than in airports. a recent investigation confirmed that airline customers have paid as much as $27 for a beer at laguardia. proving that people will pay any amount to kill the feeling of

now we had ba.1, and ba.2. they were similar enough that if you got ba.1 in january, you're not going get ba.2. but all bets are off with ba.5. and some people are getting ba.2 as much as two, three weeks ago. so they're probably going to be very vulnerable to getting reinfected, even though in the old days you had three months off. in this current year, it could be as soon as four weeks. typically four to eight weeks after your last infection. >> reporter: and the white house is considering opening up boosters for people under 50. first of all, is that necessary? and would you recommend people under 50 to get boostered or wait for that updated vaccine? >> ryan, i would say go ahead and get the booster if you're eligible for it right now. we don't know exactly when that updated version 2.0 will be available. end of october, early november. but it all depends on who is paying for it. $10 million still under debate in congress. if they can't agree on that, it will be only a slice of the pie of the population gett

ba.4 and ba.5 are subvariants of omicron. and dr. john schwartzburg, an infectious disease expert with uc berkeley says they're the most transmissible subvariants we've seen throughout the entire pandemic. >> we're dealing with a formidable foe right now. i think everybody knows somebody right now whose got covid. >> reporter: those of us at kpix 5 do. >> i can't ever remember having an illness where i didn't feel violently sick, but at the same time felt completely wiped out. >> reporter: our colleague, reporter wilson walker is one of the many people who got sick over the past week or so. >> there is not much more i can do othor t my ergy to come back. that's a strange feeling. >> reporter: he didn't know where he picked it up, but with ba.4 and ba.5, that's likely the case for many people. >> we're dealing with the most contagious form. it approaches measle in terms of a respiratory virus which is the most transmissible respiratory virus we know of. >> reporter: schwartzburg says mask up, even in some outdoor settings now. >> if y

so the guards at the front gate, the antibodies they don't really recognize ba 4 and ba 5 that well.even if you covid recently, you can get re infected again, that doesn't mean staying in this weekend, but it does mean taking precautions, making sure her up to date with your vaccinations, too. many people just are not up to date. they haven't gotten the >> 3rd winner. and for some people, the force one. the second thing is we're in a good mask. an 95 kn 95. when you're indoors with the public critical. there are things about trying to be outdoors as a board more than indoors really will help a great deal. the recommendation of a booster is not just talk. >> the cdc announced this week that adults 50 and older with 2 booster doses for 4 times less likely to die from covid-19 compared to those with one booster dose and the unvaccinated were 42 times more likely to die. and while the current vaccine isn't specifically designed for omicron, the fda announced that will change later this year. >> the reason for including ba 4 and ba 5 in a booster is to not only prevent serious disease but

that is because even though the front guard the antibodies do not recognize ba.5 so well, the inside immune cells that have worked so hard and you reminded that system about the virus that's going to kick the enemy out of the body if it enters. >> all right, a lot of people we know friends of friends almost everyone it seems like they have gotten covid at this point with all the different variant's if i had covid say a month ago and my immune? a lot of people think three months i am fine is that the case? >> not the case unfortunately and in the old days even in january you had something kind of like a get out of jail pass for three months that's not the case meaning if you got infected three 44 weeks ago that would be two or 2.12 because ba.5 is resetting the clock you can get infected or reinfected at four weeks or six weeks after your last infection. if ba.5 stays dominant the three-month window starts again. >> i talked about a lot more in depth about masking and the second booster shots, towards the full interview you can download the nbc bay area news app . you can find it unde

moderna and pfizer are looking to include the original formula as well as a ba.5 component. those will not be able until late october and early november. so if you're elg for a booster, don't wait forhat ae.ut the severity of ba.5 in children. dr. gounder said we don't know much but parents should get children vaccinated as soon as possible because tens of thousands have been hospitalized and hundreds have died from covid. dania backus, cbs news, los angeles. >>> in less than two hours the january 6 committee will hold another prime time hearing. today they're focusing on what former president trump was doing as rioters stormed the capitol and how law enforcement turned the tide. here is natalie brand. >> reporter: ahead of tonight's hearing, select committee member adam kinzinger tweeted a preview, a video deposition of white house staffers who was with former trump on january 6. >> and he was always in the dining. >> it is my understanding he was watching television. >> was the violence happening physically on the screen and the television? >> yes. >> reporter: the eighth

that is not the case with ba.5. if you got is resetting the clock, you can get reinfected at six weeks after your last infection. if ba.5 will stay dominant, the three month window starts again . >> i spoke with dr. peter chin- hong about more about wearing a mask and a second booster shot. to watch the full interview, download the nbc bay area streaming app . i will try to send out a link on social media as well. >>> we will take you out and look at the weather in san jose . it looks like a little bit of a cloudy start and we will check in with kari . >> we are waking up with a cool start that we typically see with the clouds and the fog moving by . in fremont it will be a nice and a cool morning. it will be a fairly nice afternoon we are basically back to where we were yesterday. it will be warming up toward concord with the mid-80s in novato. scotts valley is reaching about 82 for the high today and we will talk about what we are expecting leading into the weekend. >> i've been trying to help you with the gas pri

thank you, louis. ♪ ba-da-ba. ba-da-ba. ♪ ba-da-ba. ♪ lovely night. what a lovely night. whoa!'s 14th district, representing parts of bronx, and queens. please welcome back to "the late show," congresswoman alexandria ocasio-cortez! ( cheers and applause ) ( band playing ) ( cheers and applause ) ( band playing ) ( cheers and applause ) >> stephen: there we go. ( cheers and applause ) >> my gosh! oh, my goodness. >> audience: a.o.c.! a.o.c.! a.o.c.! a.o.c.! >> thank you. my gosh! thank you, thank you. ( cheers and applause ) thank you. >> stephen: i-- i-- i think that means you should visit more often. >> yeah, i mean, it seems that way. >> stephen: it's been a while since we've had you here. nice to see you again. >> yes, yes, in fact, today is actually-- we just realized-- is the four-year anniversary since i was here the first time. the very first time. >> stephen: oh, wow! >> yeah. >> stephen: oh, wow. >> right after i won my primary. >> stephen: not much has happened in the last four years. >> not much at all. ( laughter ) >> stephen: okay, auspicious time for you to be he

si tienes el app de mcdonald's, estás en camp mcdonald's. ♪ ba da ba ba ba ♪ la gente dirá esa atrapadarros! ¡tu familia ahorra 20% en comparación con los demás! y no subiremos el precio de tu plan con nuestro precio fo garantizado. ¡recibe más con t-mobile! mÁs cobertura 5g. mÁs ahorros. aÚn mÁs beneficios. ♪♪. ♪♪. >>> el informe completo de la masacre en uvalde estÁ disponible en espaÑol. el comiÉe de l cÁmara estatal que investiga la matanza lo publicÓ en internet luego que recibiÓ muchas quejas, por no tomar en cuenta las familias que no hablan inglÉs. ya se habÍa adelantado hace 2 dÍas publicÓ una versiÓn traducida. >>> es diferente cuando una persona no puede leer y entender. volver al libro, volver a leerlo y escucharlo. >>> leerlo y totalmente comprender e exactamente lo que pasÓ. >>> esto es importante, porque la mayorÍa de lo residentes en uvalde son latinos. la mitad de las personas mayores de 5 aÑos hablan otro idioma en casa, que no es el inglÉs. y en tributo a las vÍctimas de uvalde, varios artistas de texas, se han unido para crear murales con sus rostros. el proyectase l

stephanie: the cdc estimates more than half of new cases stem from omicron subvariants ba.4 and ba.5. but he explains why the latter is the want to worry about. >> the real superpower of ba.5 is re-infections. because ba.5 is new, if you got infected maybe two or three weeks ago, it was likely not ba.5, so you are susceptible to reinfection. stephanie: here are five reasons why ba.5 could be the worst variant yet. first, preliminary evidence from the kirby institute in australia shows false negatives on rapid antigen tests may be higher with ba.5, and it could take up to five days to get accurate results. >> some tricks are combining the throat and the nose, although not official. repeating the test multiple times, which lots of people are doing. stephanie: second, ba.5 is the most transmissible variant, at least 20% more transmissible than omicron, now tying or surpassing measles, the world's most infectious viral disease. >> the more transmissible it is, the easier to get. if you are in a crowded outerspace it is very possible. stephanie: third, symptoms of ba.5 may be more painful.

>> clearly people unvaccinated are most at risk but it turns out this current strain ba-5 and ba-4 by the way, his cousin can in fact and reinfected people that are vaccinated. you don't get sick and die because of the vaccine. it's tevery protective but we are seeing people getting reinfected. >> when it comes to doubling down on protections what are we talking about? are we talking about going back to masking when we're out in public? another round of boosters? when is that going to be available for those for whom it's not been made apriority just yet ? >> i want to emphasize the issue. first of all everyone who has not been vaccinated needs to get vaccinated and encourage people to get fully vaccinated with the primary serum and that includes getting the first rooster as recommended and for those people with chronic diseases you should get a second booster. get your whole vaccine, that's the first thing everybody ought to do. the second thing of course is continue to wash your hands. wearing a mask when th appropriate. i'm beginning to travel again and when i go to airports i have

jobina: ba.5 in the bay area, sub variant spreading faster.hear from experts on their top concerns. reggie: want to see real space dust? this photo is sending the internet on a rocket ship. the light you see here is 13 billion years old. we expect more to be revealed this morning. jobina: really cool. good morning, it is tuesday, july 12. reggie: first, a check with drew tuma. drew: a cooler afternoon on the way with better air quality. a look at temperatures, in the 50's and low 60's on your tuesday, live look at san jose. in the south bay, partly cloudy skies. close to the coast, we have some drizzle. we have the marine layer with us first thing tuesday, increasing sunshine is the morning goes on. keep the cloud cover along the coast the entire day. away from the coast, a cooler afternoon with temperatures in the 70's and 80's. more coming up in about seven minutes. jobina: new this morning, you may be smelling lingering smoke in the east bay. we caught video of a fire. firefighters were called around 3:00 a.m., everything is out. no word on

that is why some people who have had ba.1 in january, february, are getting ba.5 here in july.his reinfection is a very significant signature of immune escape. it is the most reinfections we have seen since the beginning of the pandemic, because it is the mountain -- the most immune escape of any variant. william: how should we be approaching this? i know you have been very critical of the way the cdc has been responding to this. what ought we be doing that we are not doing right now? dr. topol: there is a lot we can do more. as was emphasized in the briefing yesterday by the white house team and the cdc and nih, we have to get the boosters way up from where they are. the high risk people, over age 50, only one in four in this country have had a fourth shot. and of all americans, only one in three have had a booster at all, which is 67th in the world. the countries like sri lanka and rwanda, iran. i mean, it is really embarrassing. we were the ones that manufactured, validated these vaccines in record time, and here we are not using this as our protection. and that is also the

next outcome is ba.5 the reinfection wave?ill speak with ed yong. ♪♪ [music break] amy: "walk it out," unk featuring outkast and jim jones. it was blasted wednesday and amazon warehouse workers as they walked out of their jobs to demand higher wages and more of a focus on safety during amazon's prime. workers meanwhile, the german warehouses, so when on a prime day strike in recent days calling for good and healthy work. this idemocracy now!, democracynow.org, the war and peace report. i'm amy goodman with nermeen shaikh. we areow about two point five years into the coronavirus pandemic and health experts said this week the most infectious transmissible covid-19 is now a global health emergency. this is world health organization director-general tedros adhanom ghebreyesus speaking on tuesday at a virtual news conference in geneva. >> i am concerned cases of covid-19 continue to rise, putting further pressure on fragile health systems and health workers and also concerned about increasing trend of death. the emergency committee

4 and ba 5. if you've omicron in you do you know it's still going to be susceptible to getting ba 4 and ba 5? >> do we know why that is? or it's just gotten smarter. >> the virus, i think mean, we're getting a better sense, actually. and it's the unit called the escape artists of the houdini. and that's because the spike protein looked so different even to be a one that the front guards, which of the antibodies on recognizing in. but the insight bowl dog, that memory t cells and b cells are keeping us away from the hospital. and that's what happened to you that's what the vaccines do. you know, they're not necessary. great right now until we get an updated one in the fall preventing the enemy at the front gate when the enemy gets in sight, it's going to kick it out and you're not going to go to the hospital. >> right? i mean, that's you know, the thing that i'm thankful for, obviously having having not as severe bout of it. but again, you know, it's just a frustrating, obviously confusing. when y

we saw ba.1, ba.2, the ba.2121, ba.4 and ba.5. those have been since thanksgiving or christmas. so we have always and anticipation that there could be another omicron subvariant coming. and a potential for another variant altogether coming. that is what we are working to prevent. many of these come from international settings so we are working closely. up-to-date on your vaccination. host: the more people infected, the greater risk of evolving complications. >> it is a challenge. it could be more predisposition for clotting. it could be brain fog. it could be neuropathy, pins and needles and tingling. it could be shortness of breath. it is not a single entity and we have a lot to learn about the physiology related to all of these manifestations. there are studies that demonstrated the more vaccine you have, the less likely you are to actually get long covid. nih is working to understand long covid. host: we got a different question from instagram. whitney asks, many of us are too tired to continue caring about covid. where does that leave us? dr. walensky: this is a challenging

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a warning from australian health officials, re-infections from ba.4 and ba.5 are happening much earlierod of protection following infection is probably shorter than we had previously thought, we thought it was three to four months, it is probably less. >> how much less? a committee says immunity with ba.5 only lasts 20 days. officials adjusting recommendations. your comments about those new guidelines

ba.5, what makes it so contagious? >> the super power of ba.5 is the fact it's immune invasive. it's an escape artist. there is recent study from australia showing that it may produce more virus in each cell it effects. why is that important? that's important because our immune system responds to each virus it sees. if you have more virus, you might feel sicker, but the silver lining is hospitals despite having a fire of covid outside the doors is still relatively intact. high levels but nothing compared to what we've seen before. >> doctor, a lot of what we knew in the last couple years to fight covid in the past like masking or vaccines don't necessarily mean we won't get sick. you understand why people are getting frustrated at this point in the game that we are doing as much as we can yet we are still getting infected. >> yes, people are getting frustrated. i feel frustrated. we want to get back to normal life and there is ba.5 now. we thought we would be coming around the curve. we thought we would have a good july and august before the fall. i think it is understandable, b

-4 and ba-5, now responsible for more than 80% of all new covid cases. >> ba-4 and ba-5 are our mostriants yet. >> reporter: that's especially important as covid transmission is now high in much of the west, the southeast and parts of the northeast. many of those cases are re- infections. in the past, everyone was walking around saying, well, if you recently had covid in the last 90 days, you're protected. >> the virus is mutating so quickly and rapidly, it's changing so dramatically that your immune system will ave a harder time fighting off this current wave. >> reporter: are we bracing for another surge? >> we are already seeing an increase in hospitalizations. the good news is fewer people are ending up in the i.c.u. >> reporter: in the meantime, doctors say we must remain vigilant. >> my biggest concern is people are just exhausted with covid and they're not going to do the other things that we know will prevent infection and transmission, things like masking and opening windows. i am worried people are just tired of taking those extra steps. >> reporter: the c.d.c. and f.d.a. m

this time we talk about the ba.4 and ba.5 variance.ding to the latest research, the ba.4 and ba.5 variance are four times more resistant to three vaccine doses compared to ba.2. that research conducted by columbia university finds these are now the dominant strains in the united states. in california, the state has topped more than 9.5 million cases. the more than 4000 people hospitalized. infections remain below the january 6 -- january. the entire barre -- bay area is a high-risk level for covid-19. one concern as vaccines wane and people become lax following safety protocols, there will likely continue to be high levels of transmission. >> i think it is especially important for people to stay diligent and take those steps personally to protect themselves such as wearing a tight knit face covering and ensuring they have gatherings outdoors or in spaces with good ventilation. >> no mandates have been issued but the message remains the same, get tested, get vaccinated, and wear a mask. reporting live, abc 7 news. reggie: thank you. a c

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and more americans are going into hospitals. >> ba.5 doesn't seem to be causing more severe illness. but just like with every new variant, if it's spreading fast, it causes more infection. ultimately, we will see an impact in our hospitals. >> reporter: moderna today reporting its new booster produced six times more antibodies against the ba.4 and 5 subvariants a month after injection, but that new shot won't likely be available until october or november at the earliest. >> there is some urgency to figure out the composition of the vaccine for the fall. we don't want to be in a situation where we have a rise in cases ahead of vaccination and we're trying to play catch up. >> reporter: 71 million americans still haven't received a single vaccine shot. more than half of the eligible population has not gotten their first booster. >> and eva pilgrim back with us on the virus again tonight. eva, getting back to what moderna said tonight, saying the booster has more antibodies in this particular booster against this ba.5 variant than the current vaccine does, that, of course, is good news,

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i fell victim to a ba plane that went tech on i a ba plane that went tech on thursday.5pm, thursday evening, and we eventually took off at three o'clock on friday afternoon with many other people impacted by that having to spend the night on the floor at the airport. so, ido spend the night on the floor at the airport. so, i do appreciatejust how stressful situation is for people when they are caught up in it. interestingly, the guest you just had on, really, he should have been getting on to easyjet. i know it is not easy to get hold of them and demand that they put him on any other airline. and demand that they put him on any otherairline. he and demand that they put him on any other airline. he shouldn't have to accept easyjet delaying his flight by 24—hour is. they should be asking to get back by any other means, even with another airline, back on the day of his original flight. but this just shows you how chaotic the situation is, and particularly to these destinations where there are multiple flights a day. that is where the airlines are looking at their schedules

ba.5 is better at its job than the prior subvariants.so more infectious like the other ones, but better at evading immunity. and even the immunity from the infection you had a month or two ago doesn't account for nearly as much as it used to. we are seeing reinfection from people who have had recent infections in immunity from vaccines and boosters. so works quite well in terms of preventing you from getting super sick and dying. >> if it is really good at evading immunity and causing reinfection's, can we at least say hopefully these reinfection's are less serious and the symptoms are not as bad? that you're less likely to have long covid? dr. walker: no, can't say any of those things. we can say that there's no evidence that it is more serious than the prior variants. we are seeing an increase in hospitalizations around the country and here at ucsf. but it's about at the same proportion as the increase in cases. it's about the same level of severity as the prior variant. we're still not seeing a ton of people in isu -- not a ton of peo

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.4 and ba.5. that puts it all into perspective when you're talking about antibody response. >> speaking of infections which seems to be easier to get, what we know about the potential for symptoms to worsen the more you get it? >> there is some preliminary data being looked into. that suggest the more you are infected, the more chronic symptoms you could have at it is too early to know for certain if more comes out to prove that, doctors are saying it may be time a second booster shot become available for people over 50. >> a man going for a record that is more than a little bit nutty. what is that contraption on his face? what are you recommending for muscle pain? based on clinical data, i recommend salonpas. agreed... my patients like these patches because they work for up to 12 hours, even on moderate pain. salonpas. it's good medicine first psoriasis, then psoriatic arthritis. even walking was tough. i had to do something. i started cosentyx®. cosentyx can help you move, look, and feel better.

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but, we do know a little bit about ba.5. the superpower of ba.5 is it can cause reinfection . so, if you have had omicron before, if you had omicron recently, you are not going to get that get out of jail pass as much as you would like, unfortunately. it also means that we are, hospitals are having a lot of cases on the outside are generally pretty well situated right now. in the old days, we would have been flooded with people who are sick in the icu. we are not saying that much. people are coming in for shorter periods. >> i was going to ask. one of the things we have heard over the last two or three variants as they are new because of the vaccines and booster shots, we have really lowered the chance you are going to get very sick if you get this. is that still sort of the narrative that people are feeling confident or is that going to strip away at it? >> in the case of the vaccines, they are still spectacular at preventing serious disease, hospitalization, and death but it comes with an asterisk now. that asterisk is that for the oldest population, those over 65 in particu

we are talking about the ba four and be five variants of. the ba four and be five variants of omicron states as it started to spread and like a chain reaction, the more cases are generated, it generated more and more and more and became the dominant variant in the states. now similarly, in the united kingdom, it is doing same. the good thing as the vaccines still have a margin of protection against baa and bas but margin of protection against baa and ba5 but we must not get serially infected because they will be other consequences of getting infected. what do you mean by a margin of protection? when we invented the vaccines, they were invented against the will head back strain and sense that we have had alpha, beta, delta dawn and now baa and ba5 —— they were invented against the wuhan strain. the number of antibodies that we have decreases, the number of effective antibodies against the circulating strain, so it has a number of affected antibodies in circulation. so anyone who is due to get anotherjab, another covid jab, get another jab, another covid jab, will those get anotherjab,

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