Moderna’s Covid-19 vaccine put to final test in 30,000 volunteers in the US - Hindustan Times 28-Jul-2020

on July 28, 2020

Moderna’s Covid-19 vaccine put to final test in 30,000 volunteers in the US - Hindustan Times

Several other vaccines made by China and by Britain’s Oxford University began smaller final-stage tests in Brazil and other hard-hit countries earlier this month.