all done. reporter: arguing while more of the fully vaccinated are suffering breakthrough infections, they are rarely hospitalized and nearly never die from the virus what if americans wait what if they go a year before getting a booster shot will that do harm? i don t think it will do a great deal of harm if we wait as long as a year to get that booster we re going to continue to monitor how well these vaccines keep us out of the hospital. that s their main job. and so far that s holding up very well reporter: with our nation still in the midst of a deadly pandemic now approaching its 20th month, tonight a broad push, but no full consensus on boosters and whether a third shot is really needed now. and miguel, in addition to boosters, any update on vaccines for kids under 12? well, lester, pfizer will likely get approval first it can still be as early as october when shots are available for children 5 to 11 years old.
in january had a more than twofold increased risk for breakthrough infections versus those vaccinated in april. but the question is not about how the vaccines are doing today or last month. it s really how are they going to do this winter. reporter: the president of moderna telling nbc news their vaccine also shows waning protection against infection over time your data shows protection is dipping, but americans who are fully vaccinated are still protected from hospitalization. so why are boosters necessary? we do know as we get to a very large number of breakthrough cases, some of them do become severe, and some them do lead to hospitalization and death. so we think that as the numbers get larger, there will be a substantial number of severe cases that will start to crop up. reporter: it s not just moderna and pfizer pushing a third dose eight months after your second shot, get a booster shot reporter: almost a month ago, the white house announced its plan for a booster
immigrants expanding across more regions than ever before gabe gutierrez has more from new hampshire. reporter: it is new england postcard perfect, and in nashua, new hampshire, a new boom is under way. i think the american dream is constantly changing. reporter: oscar villacis is now one of more than 59,000 latinos who live in this state in the last decade, its total population grew by less than 5%, while the hispanic population skyrocketed 62%. oscar s mother was a factory worker, his dad a handyman and for this ecuadoran american, the journey has been a struggle. have you felt prejudice here absolutely. reporter: that s why last year oscar launched his own local radio show, called first gen americans. you should be speaking english. reporter: after a woman was caught on video yelling at immigrants do you consider this home i do, for the most part. reporter: for the most part. why not completely because as we try so hard to fit in, we
i blame larry nassar, and i also blame an entire system biles breaking down in tears, accusing the fbi of turning a blind eye. mckayla maroney saying the fbi betrayed her and allowed abuse to continue the fbi chief on the hot seat how he responded also tonight, pfizer making the case for covid booster shots after just six months, days before the fda is expected to decide whether to authorize them and the grim milestone. one in 500 americans now dead from covid. president biden expressing great confidence in top general mark milley after a new book claimed milley secretly reached out to a chinese general during the trump presidency the former president firing back. the remnants of hurricane nicholas soaking the gulf coast. california governor gavin newsom beating back the effort to recall him the stunning twist.