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Pfizer says early analysis shows its Covid-19 vaccine is 90% effective

Pfizer says early analysis shows its Covid-19 vaccine is 90% effective

3 years ago
Anonymous $RGO3jP_V_c

https://www.mercurynews.com/2020/11/09/pfizer-says-early-analysis-shows-its-covid-19-vaccine-is-90-effective/