Researchers from the Universities of Bristol and Surrey have found that well-fitting, three-layered cloth masks can be as effective at reducing the transmission of COVID-19 as […]
The Biden administration has announced that the US will send as many as 60 million doses of the AstraZeneca coronavirus vaccine to countries in need—effectively conceding […]
Adults infected with covid-19 three weeks after receiving one dose of the Pfizer-BioNTech or Oxford-AstraZeneca vaccine were 38-49% less likely to pass the virus on to […]
From packed train carriages to busy shopping centers, being crammed together in often poorly ventilated spaces had become so normal that it has taken us a […]