Coronavirus (COVID-19) Vaccine Latest Update, September 4: Pfizer says will know about effectiveness of its shot by October

Coronavirus (COVID-19) Vaccine Latest Update, September 4: Pfizer says will know about effectiveness of its shot by October

Covid-19 vaccine tracker, Sept 4: Pfizer steps up the heat, says will know about effectiveness of its shot by October

September 04, 2020 10:55 am

Coronavirus (COVID-19) vaccine tracker September 4 Update: Pfizer’s statement is expected to further heat up an already crazy race for a coronavirus vaccine. It has become evident that a vaccine would be made available this year itself.