What does waning COVID-19 vaccine immunity mean for the vaccinated?
As COVID-19 vaccine manufacturers await FDA approval on booster shots, millions of fully vaccinated Americans wonder about the next step forward amid the ongoing pandemic.
What does waning COVID-19 vaccine immunity mean for the vaccinated?
As COVID-19 vaccine manufacturers await FDA approval on booster shots, millions of fully vaccinated Americans wonder about the next step forward amid the ongoing pandemic.