COVID

A study adds to evidence suggesting that SARS-CoV-2 infection doesn’t cause an inflamed-toe condition called chilblains, but it doesn’t close the door

Scientists are just starting to unravel the disease’s long-term cardiac effects

Historians of the 1918 influenza pandemic discuss lessons for what the future of COVID might look like

Recent findings blow up assumptions about who chooses to get vaccinated against the disease

How to limit your risk of transmitting or getting infected with SARS-CoV-2

Burning piles of used gloves, test kits and syringes release toxic pollutants. But there are ways to improve medical recycling

Scientists are debating whether to use a little-known measure to determine who is truly contagious. The NFL is already using it

Grandparents are a majority of the pandemic’s death toll

A CDC database of sewage data from communities around the nation could provide earlier warning of outbreaks and new viral variants

The reports’ authors say that the novel coronavirus, or SARS-CoV-2, jumped from animals sold at the market to people twice in late 2019—but some scientists want more definitive evidence

Vaccination definitely lowers the odds, but the exact answer is hard to find

Infectious disease expert William A. Haseltine cautions that a coronavirus variant could emerge with the transmissibility of Omicron and the deadliness of the original SARS