Pfizer, BioNTech say Covid-19 vaccine is more than 90% effective, exceeding expert expectations and setting up an EUA submission late this month

For 10 months, the US and the world have wondered and watched and waited for when an effective Covid-19 vaccine will arrive. Pfizer said Monday …

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Pfiz­er, BioN­Tech say Covid-19 vac­cine is more than 90% ef­fec­tive, ex­ceed­ing ex­pert ex­pec­ta­tions and set­ting up an EUA sub­mis­sion late this month