Pfizer announces coronavirus vaccine trials Posted on May 6, 2020 by RajanPfizer announces coronavirus vaccine trials Pfizer starts human trials; Fox Biz Flash: 5/5.Related Posts:CDC Director Walensky signs off on Pfizer vaccine…CDC Director Walensky signs off on Pfizer vaccine…San Francisco announces controversial vaccine…Pfizer COVID-19 pill could cut severe illness by…Pfizer COVID-19 pill could cut severe illness by…Pfizer COVID-19 pill could cut severe illness by…Pfizer COVID-19 pill could cut severe illness by…Pfizer COVID-19 pill could cut severe illness by…Pfizer COVID-19 pill could cut severe illness by…Pfizer COVID-19 pill could cut severe illness by…Post navigation← PreviousNext →