Researchers in Britain found two doses of the Pfizer vaccine, for example, are 96% protective against hospitalization with the delta variant and 88% effective against symptomatic infection. Pfizer to Seek Nod for 3rd Vaccine Dose to Boost Immunity Against Coronavirus Deadly Mutations
Researchers in Britain found two doses of the Pfizer vaccine, for example, are 96% protective against hospitalization with the delta variant and 88% effective against symptomatic infection. Pfizer to Seek Nod for 3rd Vaccine Dose to Boost Immunity Against Coronavirus Deadly Mutations
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