J&J's coronavirus vaccine candidate prevents severe disease in hamsters
In the pre-clinical study, vaccinated animals lost less weight and had less virus in their lungs and other organs than unvaccinated animals.
A handout photo shows an employee demonstrating a vial with "Gam-COVID-Vac" vaccine against the coronavirus disease (COVID-19), developed by the Gamaleya National Research Institute of Epidemiology and Microbiology and the Russian Direct Investment Fund (RDIF), during its production at Binnopharm ph(photo credit: REUTERS)ByREUTERS