CDC changes definition of 'close contact' for COVID-19 By Rachael Rettner The agency now defines close contact as "someone who was within 6 feet of an infected person for a cumulative total of 15 minutes or more over a 24-hour period."
US is a week away from 'rapid acceleration' of COVID-19 cases By Yasemin Saplakoglu The U.S. has averaged 60,160 new cases per day in the last week.
COVID-19 is at least 5 times deadlier than flu for hospitalized patients By Rachael Rettner Mounting evidence shows that COVID-19 is more severe than flu.
Teen wins $25k for finding molecule that may disarm coronavirus By Nicoletta Lanese Anika Chebrolu hopes to work with scientists to develop the drug candidate further.
'Challenge study' to infect healthy volunteers with the coronavirus will begin in early 2021 By Yasemin Saplakoglu The study will test how much virus is needed to infect humans and which vaccines work the best to prevent COVID-19.
Remdesivir has 'no meaningful impact' on COVID-19 survival, huge study finds By Nicoletta Lanese Patients given the drug did not show a significant decrease in mortality, risk of ventilation or time in the hospital.
Hockey game turned into COVID-19 superspreader event By Rachael Rettner Fourteen out of 22 players developed COVID-19 after the game.
Experts: Herd immunity is 'dangerous' and 'flawed' approach By Rachael Rettner The letter appears to be a response to the controversial proposal known as the Great Barrington declaration.
COVID-19 linked to sudden hearing loss By Rachael Rettner A man in the U.K. developed sudden and permanent hearing loss in one ear after battling a severe case of COVID-19, according to a new report.
Masks and closures in Arizona led to a 75% decrease in coronavirus cases By Yasemin Saplakoglu Another study shows that masks and other mitigation efforts not only work, but work well.
Trump's COVID case could be entering a crucial stage By Monique Brouillette Doctors say the president, who tested positive for COVID-19, could be heading for a bad stretch in prolonged illness — or an upward path to recovery.
1 in 4 Americans aren't washing their hands regularly By Rachael Rettner In a global pandemic, hand-washing is even more important than it usually is.
Leading medical journal blasts Trump's 'astonishing' failure in pandemic response, says to vote him out By Yasemin Saplakoglu The New England Journal of Medicine is calling for the Trump Administration to be voted out in the upcoming election.
Coronavirus can survive on skin for 9 hours By Rachael Rettner The new coronavirus can linger on human skin much longer than flu viruses can, according to a new study from researchers in Japan.
Trump is 1 of 10 people to get antibody drug outside of clinical trial By Nicoletta Lanese Normally, the application process to get the drug takes a week or so, Stat News reported.
CDC finally acknowledges airborne COVID-19 spread, for real this time By Rachael Rettner The revised guidance follows the CDC's blunder last month, in which the agency posted, and then deleted, information on airborne spread from its website.
Trump is taking the latest in COVID-19 treatments. Here's how those medicines work. By William Petri, Jeffrey M. Sturek With 74-year-old President Trump and first lady Melania Trump testing positive for the coronavirus, what are the best proven treatments for them and other patients?
Americans really are drinking more during the pandemic By Stephanie Pappas Americans really are drinking more during the COVID-19 pandemic. New research suggests alcohol consumption in the U.S. rose 14% during pandemic shutdowns.
Mysterious inflammatory syndrome tied to COVID-19 strikes adults as well as kids By Rachael Rettner Like the syndrome in children, MIS-A is a severe illness that targets multiple organs and causes increased inflammation.