The United States is preparing for the possibility that a booster shot will be needed between nine to 12 months after people are initially vaccinated against...
British Prime Minister Boris Johnson warned on Tuesday that the rapid drop in COVID-19 deaths was largely down to a three-month lockdown, not the vaccination programme,...
The coronavirus variant discovered in South Africa can "break through" Pfizer/BioNTech's COVID-19 vaccine to some extent, a real-world data study in Israel found,...
Germany's vaccine regulator said on Thursday it would stick to its guidance to limit the use of AstraZeneca's COVID-19 vaccine to those aged over 60.
Virginia has passed a law making it easier for some healthcare workers who become ill with COVID-19 to collect medical expenses or lost wages.
The United States and 13 other countries expressed concerns on Tuesday that the World Health Organization report on the origins of COVID-19 was delayed and lacked...
COVID-19 vaccines developed by Pfizer Inc with BioNTech SE and Moderna Inc reduced risk of infection by 80% two weeks or more after the first of...
Hong Kong will ease some coronavirus restrictions, the government said on Monday, allowing swimming pools and beaches to open and shortening the quarantine period...
How a deadly and more contagious variant of the coronavirus tore through the UK and across the world.
Brazil on Friday unveiled its first two domestically developed COVID-vaccine candidates for human trials, which although months away from use, should eventually...