US COVID-19 vaccine green lighted for second stage of human testing
The study, which was not designed to prove the vaccine works, offered an early glimmer of hope that it could provide protection against the virus.
Vial 1 of Box 1. This is the vaccine candidate to be used in Phase 1 clinical trial at the Clinical Biomanufacturing Facility (CBF) in Oxford, Britain, April 2, 2020. Picture taken April 2, 2020(photo credit: SEAN ELIAS/HANDOUT VIA REUTERS)ByREUTERS
