Countries around the world have closed their doors on the UK following the discovery of a new coronavirus variant. The variant—known as “B.1.1.7”—appears to have spread rapidly through London and the south-east of England. Although it appears to be more…

White House coronavirus adviser Dr. Scott Atlas, pictured in September, made numerous political blunders during his brief tenure, including a lengthy interview with Russian state media that ran just days before the U. S. presidential election. Evan Vucci/APhide captiontoggle captionEvan…

Moderna’s Covid-19 vaccine led patients to produce antibodies that can neutralize the novel coronavirus that causes the disease, though it caused minor side effects in many patients, according to the first published data from an early-stage trial of the experimental…