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.
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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.