Dr. Anthony Fauci says the country will likely need a vaccination level of between 70% and 90% to reach herd immunity. Right now, that math doesn't quite add up.
Copyright 2021 NPR
Dr. Anthony Fauci says the country will likely need a vaccination level of between 70% and 90% to reach herd immunity. Right now, that math doesn't quite add up.
Copyright 2021 NPR