When most of the U.S. went into lockdown over a year ago, some speculated that confining couples to their homes—with little to entertain them beyond Netflix—would […]
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 […]