COVID VACCINE = 4th Dose Needed (PFIZER) ; 1 Year Duration 'Shot' in Future ??? ; 2022.03.13

krell · Mar 14th 2022

A 4th Dose of Covid-19 Vaccine will be needed, Pfizer's CEO says,

But the company is working on a shot to handle all variants ; 2022.03.13

(With a One Year Duration for Dose Duration Effectiveness as Goal)

krell · Mar 14th 2022

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krell Mar 14th 2022