journalists and other officials are making their way to japan. coming up, the olympian effort they are facing as they see a surge in infections. they can finally come on over again. the covid-19 vaccines are here. it s up to you. i hated sticking my fingers, then i got the dexcom g6. i just glance at my phone, and there s my glucose number. wow. my a1c has dropped over 2 points to 7.2. that s a huge victory.
to do it every year. and so as we mentioned, covid outbreaks are popping up in areas with low vaccination rates. new data analysis from georgetown university shows some of the largest clusters of unvaccinated people are located in the southern united states. health officials warn these areas could become breeding grounds for even deadlier areas. reporter: louie and patty held off getting vaccinated. not anti-vaxxers, it just wasn t a priority. and then they got sick. how sick did you two get? i remember i was working and then i just it felt like a bomb dropped on me. i just wasn t feeling good at all. and i thought you re still recovering. i m still recovering. this is not your normal voice. no. and this is a month later. it has totally devastated me. reporter: so sick she thought
games. will ripley captured the logistical challenges they faced while traveling to japan. reporter: first thing people ask when i say i m going to the summer olympics, is that still happening? send thing second thing they as it safe? we travel there to find out. our journey begins four days before we fly, two tests for covid-19. 96 and 72 hours before departure. already there has been tons of paperwork to fill out, leans to wait in just to get to this point. we can only go on testing centers approved by the japanese government. this is by far the most documentation i ve needed just to get on a flight. reporter: processing my pile of paperwork takes nearly an hour at the airport. the moment of truth. they are checking high my docum. and they have brought in a man. hello. he tells me that i need to download an app, fill out online
vaccinated, save lives and help end this pandemic. reporter: data show the pfizer, moderna and johnson & johnson vaccines are effective including against the delta variant which now accounts for more than half of all new cases. please get vaccinated. it will protect you against the surging of the delta variant. reporter: in matteryland, ev person who died this june was unvaccinated. and as entertainers try to appeal to young people, experts are hoping full approval for vaccines from the fda will encourage more people to get the shot. right now they only have emergency use authorization. meanwhile max mandates are back in california s state capital after an outbreak of covid cases among employees. as covid fears ramp up all over again. and with the delta variant spreading rapidly, some experts say it may be important to start testing even vaccinated people to make sure that this variant isn t evading the vaccines. pfizer said that it is seeing
waning immunity and picking up its efforts to develop booster shots to help protect people. athena jones, cnn, new york. california is set to require that all public schools offer remote learning option for students this fall. the state passed a bill to accommodate student and parents still hesitant about returning to the classroom. the measure will apply to this upcoming school year only. amid all this talk of possible covid booster shots, many health officials are still trying to vince vaccine hesitant americans to get their first dose. zeke emanuel was a health policy official i think that it will be hard to imagine that we can immunize 200,000, 300,000 people every year. we are already having trouble in the first round, imagine having