Millions of Americans are not getting the second doses of their Covid-19 vaccines, and their ranks are growing.More than five million people, or nearly...
Up until just hours before the pause was recommended by American officials, regulators had planned for a revision to the F.D.A.’s emergency use authorization...
After a three-day, 30-mile hike, he began feeling flulike symptoms, which continued to worsen over the next 16 hours. Purple blotches appeared on his...
Have you been feeling guilty lately?For many people, this powerful emotion has become especially prevalent during the pandemic. There is guilt over surviving Covid-19...
Without hospitals or medical specialists in space, NASA and other space agencies have always been concerned about astronauts falling sick during a mission. To...