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When followed by a shot of moderna or pfizer. you were vaccinated with johnson & johnson and you re eager for a booster. i think that extra layer of protection will make us feel more comfortable. reporter: with new hospitalizations, deaths, and infections all dropping nationwide. we demand our freedom! reporter: many americans, including first responders, are protesting vaccine mandates, refusing to even get their first shot. and now, as we approach winter, and more americans gather inside, cases could spike again. health officials offering another layer of protection for tens of millions of americans. to date so far, more than 9 million americans have already received pfizer s booster. again, the booster rollout for moderna and johnson & johnson already under way. yasmin, back to you. miguel almaguer, thank you for that. i want to bring in dr. peter hotez. he is co-director at center for vaccine development at texas ....
Effective in protecting kids ages 5 to 11. clinical trials showed an efficacy rate of 90%, that s pretty good. an fda panel will consider pfizer s request for approval for that age group next week. as of today, booster shots are available to millions more americans. the cdc officially green lit the moderna and johnson & johnson shots yesterday along with mixing and matching of boosters. here is what the director of the cdc said earlier on today. the vast majority of people will probably select the one that they originally received and did really well with. but there may be some people who would prefer a different vaccine or if you go into a pharmacy and they don t have the vaccine that you originally got, it really is fine to get a different vaccine. and nbc news correspondent miguel almaguer has more. reporter: yasmin, with the cdc s director s signoff overnight, those booster shots can start going into arms immediately. well over 30 million americans now qualify for a booster ....
The cdc giving the all clear, after reviewing a trove of data presented by moderna and j&j, supporting their case for an added dose of protection. moderna s data shows antibody levels spiked with a third shot of its vaccine. recipients who qualify would be the same as pfizer s. those who were inoculated at least six months ago, who are immunocompromised, and those 65 and older, as well as americans at higher risk of catching the virus. for johnson & johnson, anyone who has been vaccinated for two months could get a booster. i think boosters are a really important part of getting beyond the pandemic, especially for high risk people who are older and at risk for chronic diseases. reporter: with the cdc endorsing the mixing and matching of booster shots, the agency says those who qualify can select any of the three brands. research shows those vaccinated with j&j get more protection ....
today show. is it okay to get pfizer or moderna if i had johnson & johnson originally? what do you think is most effective for folks, mix and match or not? i would be careful about giving the message that it s willy-nilly, you can do whatever you want. i don t think of it that way. i got two doses of the pfizer biontech vaccine, and i deliberately decided for my third immunization to get another pfizer biontech immunization, a homologous boost, because there s going to be a lot more data on it coming out of israel and the uk, a lot more data from the manufacturers. the manufacturers do not have a lot of incentive to collect information about mix and match vaccines and our cdc is doing a modest job in terms of collecting vaccine effectiveness information. so the default, i think, should always be homologous boosters, same with the moderna vaccine, if you got two doses of moderna, get moderna. the j&j is a bit different, if ....
With british prime minster boris johnson and agreed to meet last week with the g-7 leader on the strategy going forward. peter alexandriat white house, thank you. the biden administration also dealing with the worsening covid crisis more than 1 million new infeks in just the last eight days and tonight it appears many americans will soon be able to get a vaccine booster. kate snow has those details. reporter: the biden administration ready to announce its plan for booster shots. you can expect to hear from the president on this top you can as well. reporter: according to administration sources, the white house covid-19 team on wednesday will make the case for boosters eight months after people received the second shot of pfizer or moderna with fda authorization, the shots could be ready as soon as september. people should expect that they do not have to return to their original site of vaccination, but they should stick with the same brand of their vaccine. if you received ....