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trial

Pfizer begins trial on infants and young kids

A healthcare worker prepares a vaccination for Pfizer coronavirus disease (COVID-19) in Los Angeles, California on January 7, 2021.Lucy Nicholson | ReutersPfizer announced that it has started a clinical trial testing the Covid-19 vaccine…

AstraZeneca issues updated phase three trial data

A healthcare worker prepares to inject a vaccine against AstraZeneca coronavirus disease (COVID-19).Eloisa LopezAstraZeneca released updated Phase 3 trial data for its Covid-19 vaccine on Wednesday after asking accuracy questions related to…

79% effective in U.S. trial

A healthcare professional will prepare a dose of the Oxford / AstraZeneca Covid-19 vaccine at the vaccine center at the Brighton Center in Brighton, southern England on January 26, 2021.Ben Stensall | AFP | Getty ImagesLONDON - The…