hi. welcome to our viewers here in the united states and all around the world. thank you so much for joining me. i'm robyn curnow. coming up, the delta variant sweeps the world causing uncertainty in almost every corner of the planet. also ahead, israel is offering a third covid dose to certain portions of its population. who gets them and why? and a straight one, two, three. jamaican woman's team makes a full sweep in the 100 meter final. the latest action from tokyo ahead this hour.

live from cnn center, this is "cnn newsroom." with robyn curnow. >> a year and a half into a global pandemic and suddenly the world is facing a far greater threat from the delta variant. covid moved relatively slowly across the planet, the highly contagious delta variant is slamming everywhere. it's the unvaccinated who are getting sick and dying. the head of the world health organization is offering this. >> this is driven by the highly trans miss sinl delta variant which has now been detected in at least 132 countries. health systems in many countries are being overwhelmed. >> a sure sign of the deepening crisis.

hospitalizations in the u.s. have tripled in the last month. the vast majority of those new patients are unvaccinated. even vaccinated americans now being urged to wear facemasks, again in public places, especially where transmission is high. you can see it there in red. new cdc data shows the risk of fully vaccinated people becoming fully infected saying it's extremely low .001% after 160 million americans. >> reporter: new cases of the coronavirus are rising in every state across the nation by at least 10% in the past week and there are glimmers of hope. weekly vaccination rates are up 26% three weeks ago. 49.5% of the population is vaccinated.

in the south in places like alabama and arkansas, states with poor vaccination progress now seeing the average number of shots double in the last few weeks. the south still has a long way to go. >> as bad as things are right now in the south, they're about to get worse for lots of unvaccinated individuals. >> cases in florida jumped by more than 50% in the past week. in georgia, the new case rate has tripled and in the past few weeks, louisiana where they had the most cases, daily vaccination rates jumped 111%. >> the delta variant is a game changer and at this point it's not whether we vaccinate or mask, we have to do both. >> an internal document from the centers of disease control says the delta variant which is fueling much of the rise produces similar viral loads in the vaccinated and unvaccinated people who are infected. vaccinated people may spread the

variant at the same rate as unvaccinated people. it's critical to note break through cases are rare. as the cdc pushes for people to wear masks outdoors. >> can we expect more guidelines coming out, more restrictions because of covid? >> in all probability. >> health experts agree unless many more americans get vaccinated, things get much worse. >> what we can say is this virus is doing exactly what we predicted it will do and if we can't get extremely high rates of vaccination and those rates need to be higher than what they were with the original strain because of the increased infectivity, we'll see more and

more var jaiants. >> reporter: the state's governor has issued an executive order that is meant to prevent the implementation of any kind of mask mandate when it comes to schools. paulo sandoval, cnn, new york. china is scrambling to contain a growing outbreak there. hundreds of new cases are being identified. it's spread to 10 provinces since the outbreak two weeks ago. steven jiang joins me with more. >> robyn, the latest figure was on saturday 78 new locally transmitted cases. that number pales in comparison to what we've been seeing. they haven't seen this level of infection in months.

this shows no sign of abating. now impacting not just the airport staff but crews, doctors and nurses across the country. increasingly we're seeing draconian measures we haven't seen in a long time. here in beijing, they have locked down more than 40,000 residents because of two confirmed cases. we are talking about millions of chinese people being confined to their homes as the government has designated 80% of high to medium risk areas. this is happening in the peak summer travel system. we are seeing tour rest attractions as well as airports being shut down advising residents not to leave town. all of this translating to billions of dollars of revenue loss. there is little indication that essential leadership is going to change their current approach

which is zero tolerance towards the locally transmitted cases. that policy has worked well for them legally and economically so far. robin, expect to see more lock lockdowns. >> for that update, appreciate it. steven jiang. >> despite current covid vaccines being very effective, experts feel that might not always be the case. they argue eventually a covid variant could evade a current vaccine. now let's go to london. this is not peer reviewed, scenario planning exercise essentially. what can you tell us? >> so this is a pre-print paper, robin. very theoretical. what they did in the paper is played out a few scenarios in

which the virus would evade the vaccine. it is very likely one of these at the narro scenarios. this sounds like a nightmare. the first is providing more vaccinations, seasonal vaccinations, booster shots. we're seeing something like this take place in israel right now so the possibility that these vaccinations won't be just one shot, two shots but something we have on a regular basis. the other concern is cross contamination. the scientists in this paper were extremely concerned about this. they said it was really important for the authorities to keep holding restrictions in place that don't allow other

variants to come into the country to avoid that variation developing. the other issue is among highly vaccinated populations, robyn. the unvaccinated among the highly vaccinated populations can become breeding grounds for the variants. to continue to push people to go out and get immunized. that was key. the bottom line is scientists are saying this is a virus we are going to live with for some time. even played out the scenario the virus becomes something like the common cold and is less deadly. they say it's not like it happened in the authority term. what we need to do is be around. right now for this virus, it's going to be living among us. we are talking about the vaccine

privilege, the west. there are very few vaccinated people and it is critical we get ahold of the variants if we are to prevent them from mutating. >> thank you very much. appreciate it. israel is taking an extra step with its vaccinations against existing covid variants. it's offering booster shots to some people who are already fully vaccinated. the rollout has just gotten underway. we'll go live to jerusalem to check on the progress. coming up, it is day nine of the tokyo olympics and japan is recording more coronavirus cases than ever. we'll talk about what's behind that jump. also, u.s. gymnastics champion simone biles is weighing her chances. we'll' see if we see her compete again in the olympics. usaa is made for the safe pilots. like mac.

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welcome back. women's gymnastics taking center stage. simone biles pulled out of today's vault and bars event. not doing the floor exercise either. coy wire joins us. good to see you. what are the chances we'll see biles at all? >> reporter: robyn, good to see you as well. the balance beam on tuesday is the only event she has a chance to compete in and it's looking slim we'll see her again. on friday biles said she couldn't tell up from down in a practice session in tokyo. she said what was scarier is she had no idea where she was in the air so she had no idea where she was going to land or what she was going to land on. when she's had the twisties as she's called them, it's taken two or three weeks to take away. there is no deadline for biles to pull out of that competition. this is likely the last time simone biles will ever compete

in an olympic games. the world is waiting to see if the greatest of all time, robyn, will compete in tokyo again. it has been a bombshell of news headlines here out of tokyo. >> it sure has. let's talk about amazing pieces of athleticism. >> the aussies are rolling in the pool. >> they are. >> tied the record set back in 1952 for the most by any female at a single olympic games. mckeon has a new record olympic time of 23.081. the 400 medley. mckeon is a hero back in australia for young kids. >> this is special.

pretty cool. i grew up watching swimming and watching amazing athletes doing amazing things in australia. i was literally the same kid as these children are. now i'm here. so that's pretty surreal. >> that's incredible stuff. there was more history being made here, robyn, as well. american superstar caleb dressel. watch him get off the blocks. 50 meter free. he grabbed the lead. never took back. took gold. 21.07. then he swam the butterfly leg helping the 4x100 medley team relay win gold in world record time as well. five gold medals for dressel. three in individual. those are the only other swimmers. mark swift and the great michael phelps. incredible games for caleb dressel. >> finally, coy. no usain bolt.

no problem for jamaicans. >> yes. the race to become the fastest woman on the planet. it's always one of those anticipated events of the summer games. this year there was added drama with shah keir ri richardson. jamaica making a huge statement finishing 1, 2, 3. elaine thompson era breaking florence joyner's record by .01 of a second. sharika jackson took the bronze for jamaica. the past five olympic games, robin, they have won 13 of the 15 medals in the women's 100 meter sprint. incredible. just fantastic. amazing accomplishment.

coy wire, thank you so much. so despite high hopes, novak djokovic is leaving tokyo empty handed. the world number one will be returning to serbia without winning any medals. djokovic withdrew from his mixed doubles due to injury. as a result, others competed. djokovic smashed his racquet. he still has a shot at receiving a rare calendar grand slam at the u.s. open in later years. we're halfway through the olympic games and japan is counting record high coronavirus infections. more than 12,000 new cases on saturday. the highest single day jump since the start of the pandemic. tokyo olympic officials say it's

not their fault. blake has the story. the rising cases in japan and the tokyo olympics going on. they're saying, there's no connection. do you buy that? >> i mean, it's hard to imagine that the olympics being held right now, robyn, all the people out and about trying to see these events in person, take pictures of the olympic rings and imagine that it hasn't played a role in the increase in infection. time will tell, but it's hard to not make the connection at this point. here in tokyo and across japan cases are increasing and spreading at a record-setting case. as a result, japan's prime minister has declared an extended state of order including tokyo. only 259 cases involving people related to the olympics have been reported and earlier today tokyo 2020 officials made it a

point to come out and say the olympics is not related to the recent surge denying the games have created a flow of people. as you walk around the streets of tokyo and attend various events, it's clear that's not completely true. take a listen. >> translator: i've been watching the olympics at home because they can't have spectators. i wanted to get a feel for the olympic spirit so i came here. my friends were posting photos of themselves by the olympic rings so i wanted to take some too. >> reporter: while olympic-related cases are low, it's hard to say this hasn't increased the flow. hundreds of people are streaming in and out with chances to take pictures at the rings. all of this despite cases

surging over japan. >> we've been hearing six people who lost accreditation at the olympics. officials say they lost their accreditation by violating covid rules. what do we know about that? what happened? >> reporter: a total of 6 people have lost their olympic accreditation. four contractors had theirs pulled because of possession of drugs and two judo athletes had theirs pulled after leaving the olympic village to go sightseeing. >> translator: on the night of july 30th multiple athletes and members of the delegation were at the park within the village and they were drinking alcohol. we are aware of this fact. currently we are investigating the situation and based on the results we will take appropriate action. >> regarding the athletes from

georgia, olympic organizers considered this a serious violation. the playbook outlines covid-19 measures put in place to limit the spread. the playbook states they can't walk around the city, visit tourist areas, shops, restaurants, or use public transportation. athletes are only allowed to go between their accommodation and competition venue. if they don't, they could face a disciplinary situation where people are getting their accreditation pulled. >> thanks for the update. appreciate it. a great restrain of covid is hitting the u.s. the delta variant. israel goes where if you others

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are you okay? -yeah. welcome back to our viewers here in the united states and all around the world. thanks for joining me. i'm robyn curnow. 27 minutes past the hour. highly dangerous delta variant has reached every form of the planet. more than 130 countries. more disturbing is they warn the covid variant will almost emerge that current vaccines won't work against. first findings have not yet been

clearly reviewed. in the u.s. the delta variant is fueling an alarming surge in covid cases and hospitalizations. even high states are feeling it. in california hospitalizations have risen 40% in the last week as paul very canaan reports. >> reporter: covid-19 numbers still trending up in california. more than 10,000 cases at last count, more than 4,000 hospitalizations. that includes mid-sized hosp hospitals. almost everyone in his unit has been unvaccinated. he strongly emphasizes to get vaccinated. when there has been a case of someone who have a vaccine and still got covid, he does not like the term break through.

>> for 20 years i've taken care of patients who develop influenza. we don't call them break through cases, i would call them expected cases. my conversation has always been, yes, you can still get the infection but the vaccine protects you in terms of 23e9ing it. it's like a seat belt. it doesn't protect you from getting in a car accident, it prevents you from dieing or become being severely daze disabled. >> there's nothing patriotic about not getting a vaccine and wearing a mask indoors. recently a 49-year-old woman who is being treated for covid-19 with a mask and obvious again, she said there is it no other

way to get it done. israel is giving booster shots to people over 60. we are in jerusalem with the latest on that. >> reporter: hi, robyn. that's right. in israel anybody over the age of 60 and received their second dose of the vaccine more than five months ago is eligible to receive a third booster shot of the coronavirus. the prime minister made the address and said they made the decision that there could be a drop of effectiveness over time. they have evidence that for people who received their second dose of vaccine by the end of january, vaccine effectiveness could possibly drop to as low as

16%. however, they said those people were still very well protected against serious illness, something like 86%. because of that data they have decided to launch the third coronavirus boost vaccination drive. they're aiming to get 1.5 million people the third booster dose within the next 10 days. according to reports, tens of thousands have signed up to get their third dose of the shot already today. the israeli president got his. and benjamin netanyahu and his wife also have received their shots as well and so far efforts are not completely ruling out the idea that this booster shot could be expanded to other age groups. they want to see what this booster shot does to this population, especially in israel similar to other countries is seeing an increasing rise in coronavirus cases because of this delta variant. robin?

>> let's talk about that. what is the situation when it comes to cases and infections and the position whether there may be another lockdown, for example? >> right. so it's been now several days where israel has notched more than 2,000 positive cases per day and just in the last day or so there have been more than 200 people listed in serious condition in hospital. this is compared to just a few weeks, maybe a month or so ago when the daily rates were so low that barely anybody was talking about it. they were in the tens of positive cases a day. they're seeing quite a spike in infection. the prime minister said this new vaccination drive is part of an effort to prevent the closure of the economy and especially the closure of the education system. school is supposed to start here in just about a month. there's a lot of concern about what this new school year would look like especially with the delta variant. what the experts are looking at is not so much the positive cases but the rate of the hospitalized. the very seriously ill.

their whole concern is to keep the hospitals functioning so they won't get overwhelmed as they had in the previous days. that will be the determining factor about any sort of future lockdown. >> thanks so much. live in jerusalem. appreciate it. why has israel made this decision to provide boosters when most other countries are still taking a wait and see approach? earlier i spoke with the chair of the israel national covid experts advisory team. this is what he told me. >> first and foremost, the fact that in israel we completed the vast majority of our vaccination back in january so right now we're in the position in which the vast majority of our elderly have been vaccinated five to six months ago and this time that has elapsed is peaking the phenomenon of waning in immunity. the second point we have to take is right now delta variant

alongside with this waning immunity is causing, you know, a continuously escalating surge that occurs both in vaccinated and unvaccinated alike. the fact of the matter is that for us at this point, breakthrough infections are not an exception but actually majority over daily infections actually take place among those vaccinated. >> ahead of much of the world. it is important for everybody to understand what's going on where you are. at the moment above 60s are getting this booster. are you expecting to give the booster to the rest of the population too? >> this is not right now in the plan. we will have this for the elderly where vast majority of severe cases have occurred. about 2/3 of our severe cases take place these days among vaccinated people above the age of 60. so naturally that is our focus.

once we collect the data, we could consider the future steps. >> also i know israel signed a deal with the moderna shot and pfizer. both are mrna jabs. are you going to allow folks to mix it up? if they had pfizer are you allowing them to have moderna? how interchangeable and how closely are you watching? >> for now we're providing the same vaccine in every shot that is provided which means that the third shot for everyone who got the pfizer vaccine is expected to be a third booster dose of the pfizer vaccine. i do not expect to have this mixing take place any time soon. >> and with the test cases going on as we've explained, what have you learned particularly about the latest information about

vaccinated people getting sick and their ability to spread the virus with their viral load? is this about vaccine efficacy waning or is it something else? >> it is very difficult to tease out the effect of the delta strain by itself and it's vags capacity with the effect of waning immunity since the vast majority in israel have been vaccinated five to six months ago. teasing out which component is difficult but the final common outcome is that right now in israel we have many breakthrough infections in young and older population alike and we do see severe cases among those older vaccinated individuals that have contracted covid-19 and so since these numbers are significant,

we don't have any other option basically but to offer them a third booster dose for those elderly in order to bring them perhaps back to the level of protection they've had in february and march when it was enough to curb the surge altogether when we were facing the virus. >> that was the chair of israel's covid national expert advisory team. so more than 150,000 people will soon be able to get a covid shot there. the u.s. is sending vaccines to the west african nation as part of a pledge to give doses. the union's goal is to vaccinate 60% of people in africa. u.s. president joe biden has vowed to share 18 million doses around the world. still to come on cnn, humanitarian crisis in colombia. why thousands of people are

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welcome back. so the u.s. and israel say iran was behind a deadly attack on an oil tanker in myanmar. at least one iranian state tv agrees with them. they say it was retaliation for an israeli strike in syria. thursday's attack killed two people. 'romanian and brittain. while the ship is japanese owned, it is managed by a company led by israel. more than 10,000 migrants stranded in a town in northern colombia. the city's mayor says it is a humanitarian crisis and public health emergency and is pushing the town to a breaking point. we have more on what is causing this bottleneck.

>> reporter: this is anna cokely, a coastal town. normally this is a tourist spot. right now 10,000 migrants are stuck in this town according to local authorities on their way towards panama and north america. this is happening because to get there they need to cross a stretch of the caribbean sea and there is only one company in town that can take them across the sea and this company has a capacity to bring about 800 to 900 people every day they've been telling us but the flow of people in the last few weeks, the migrants coming from across south america has been overwhelming. this company has now a backlog of more than 8,000 people waiting for their spot on the ferry. this is dwr many of them are

haitians, venezuelans, cubans are waiting in line for hours, days, even weeks for their spot on the ferry. this is happening because south america is slowly reopening its land borders following the lockdowns due to the covid-19 pandemic. they're back on the road looking for better opportunities, mostly in north america, united states and canada. it's what could happen in the rest of the world once the rest of the world is open and the migrant traffic will continue. >> so humanitarian aid has begun arriving in cuba after the u.s. announced it would impose fresh sanctions on the regime. this mexican naval ship arrived in havana on friday. one of two ships the cuban neighbor is sending with food and medical supplies. aid is also coming from russia

and bolivia. cuba's government has faced international condemnation after the hare much crackdown on protesters complaining of shortages. mexico has criticized u.s. economic sanctions on cuba. coming up, cnn sits down with one of the newest olympic stars. we'll talk to the swimmer making history for japan and what she's feeling after winning double gold in tokyo. usaa is made for the safe pilots. like mac. who can come to a stop with barely a bobble. with usaa safepilot, when you drive safe... ...you can save up to 30% on your auto insururance. usaa. what you're made of, we're made for. get a quote today. most b bladder leak pads were similar. until always discreet inveventea pad that protects differently. with two rapiddry layers. for strong protection, that's always discreet. question your protection. try always discreet.

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welcome back. olympic swimmer yui ohashi is making her home country proud. she's won two gold medals, the first for any japanese woman. she dominated in the women's 200 and 400 olympic medley. celina wang sat down. >> you are the first japanese woman to win gold medals at the olympics. this is your first olympics. how are you feeling? >> reporter: it's surreal. even now that the race is over i don't even feel like i swam in the olympics but here i am

today. >> reporter: in the women's 200 individual medley you were neck in neck with alex walsh until the very end. what was going through your mind in the final minutes? >> reporter: i was thinking i might lose. i might not be able to catch up even up to 15 meters left but i had won the gold medal in the first race so i was able to relax a lot and i told myself to try and do my best so that i could finish without any regret. >> reporter: before the olympics started did you think that you could take home gold? >> reporter: of course. i came this far dreaming of winning a gold medal but i never thought for a moment that i could win a gold medal even though i had imagined it. >> reporter: and what do those gold medals mean to you in a country that hosted the games? >> reporter: i am proud of myself, winning two gold medals at the tokyo olympics and i believe my victory could encourage the japanese swimming and sports world in the future. >> you faced so many set backs.

you faced anemia, anxiety, depression. what emotions are wrapped up in those gold medals? >> reporter: i won a medal at the world championships in 2017, then i started to feel pressure and there were times that i couldn't control it. but that experience helped me control my feelings. there were times when it felt so hard that i almost gave up swimming but now i feel that everything paid off. >> reporter: both naomi osaka and simone biles have spoken up about their mental health challenges. what was your reaction when you saw what they said? >> reporter: there are probably a lot of athletes who have mental health problems but i hope the world will become more supportive. i'm sure there are athletes who will be saved by them coming out. i respect their courageous action. >> reporter: these games are very controversial. what do you think the legacy of these olympics will be?

>> translator: athletes had to deal with the voice of opposition. we athletes went to the olympics with a great deal of confusion but i've received a lot of comments from people seeing athletes trying so hard so i'm very hard for that. it was a miracle for me to participate in the olympic games in my own country. it was a big event tore me. i hope i could inspire them. inspire those against the games or people who are not so interested in sports and i hope i've encouraged them, even a bit. >> well, the pandemic has forced the historic changes at the summer games. it hasn't stopped athletes from making their own mark on history. earlier i spoke with the washington post sports columnist. i asked him which performances had stood out for him so far. this is what he told me. >> reporter: one that sticks out to me as an american was lid

gentleman jacoby, a 17-year-old out of nowhere in the pool. she's from a tiny town in alaska, 2700 people. that's kind of the story you wait for at the olympics, the unexpected happens from a performer you hadn't heard of five minutes before. then you're kind of enthralled in the overjoyed emotions that pour out at that time. there's also been tons of moments for the home country. the host always gets some sort of boost, even if there isn't a crowd here. so if you think of the men's all around gymnastics, yui ohashi in swimming, japanese champion daike hashimoto in men's gymnastics. you wonder what those moments would be like had a home crowd been able to be around them and had that anthem played in a full arena. >> simone biles, in many ways,

at least on cnn and i think globally, has been the lead story for the olympics the whole week so far. all of this focus on someone who is not actually performed yet. her message about mental health is obviously important and ground breaking. what does it also say about these games that so much focus has gone on an athlete who has not yet performed and how has that impacted her teammate and other athletes out there no matter how much they support her? >> reporter: well, i think in the very narrow focus, her teammates the night that she could not compete in the women's all around team gymnastics competition, they lifted themselves. they got together and they won a silver medal in a moment where the greatest gymnast on the planet all of a sudden says i can't do this. so that was in a very micro level very impressive that those three women, many of whom didn't think they were going to be competing that night on certain

asperatuses came through and won silver. i think what can be simultaneously true is you can admire simone biles for recognizing her weakness in the moment, the pressure she felt in the moment, the danger she was putting herself in in the moment and stepping aside, having the courage to step aside and also admire some of the traits we see from some of the athletes a little more traditional. they have pushed through adversity. they have doubted themselves in the middle of the week and come through with pay medal-winning performance. i think of katie ledecky who for the first time in her olympic career lost the race and did not medal in the 200 freestyle. she bounced back and won two more golds and a silver in a relay because she was able to gather herself and persevere. so i think you can admire both

qualities. >> thank you for joining me from tokyo. so a 22 foot tall space man has landed in antigua. he doesn't say a word. >> reporter: it's called the bugi space man. a towering sculpture created by artist brandon murphy. it turns out murphy has always had a thing for space. >> i have very distinct memories of watching the space shuttle when i was in grade school. we would stop class, they'd bring the tvs in. i've always had this weird connection to these people who are willing to get on a space ship and just go to the unknown. >> but getting the 22 foot, 3,000 pound sculpture to the island was no easy task. >> putting it in the caribbean, that's a challenge.

we pull the it in pieces and put it together here in miami. painted it, we chromed it, sealed it. took it back apart, put it in crates and shipped it down to antiqgua and then we had to reinstall it and force it in 6 feet of concrete. he hopes that this sculpture is an inspiration. >> it really reflects what's next, what are the possibilities. i tried to -- i tried to capture that. a lot about dream, imagination, the future has not yet been written. >> cnn, new york. and that wraps this hour of cnn. i'm robinyn curnow.

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welcome to your new day on this sunday. i'm christi paul. >> i'm boris sanchez. as coronavirus cases surge we are getting a fresh look at how effective vaccines have been in preventing serious illness as health experts work to bridge this confidence gap with the unvaccinated. >> yeah, and you know what? the rent is due today. millions of people who can't afford to pay could be kicked out after the federal eviction moratorium expired hours ago