Pfizer
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COVID-19: Pfizer, BioNTech Claim Experimental Vaccine Shows 95% Effectiveness
Pfizer and BioNTech on Wednesday said a completed study of their experimental COVID-19 vaccine showed it was 95 percent effective.…
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Pfizer and BioNTech on Wednesday said a completed study of their experimental COVID-19 vaccine showed it was 95 percent effective.…
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