Health & Science

The question of what exactly constitutes mild, moderate and severe COVID is weighing on people's minds.

Philadelphia has witnessed a scramble for at-home COVID test kits, as a national market shortage has made them increasingly difficult to find.

Airlines including Lufthansa, Delta Air Lines, and United Airlines are canceling dozens of flights because of staffing shortages due to COVID-19.

As a materials scientist, Anna Ploszajski was trained t ...

The film presents the work of Mark Moline and Project Recover, a collaborative trying to repatriate the remains of those still missing from World War II.

Now, an injection only needed once every eight weeks could help mitigate the social stigma of HIV and prevent its spread.

The companies are asking customers to throw the potentially affected products away immediately.

U.S. Sen. Coons of Delaware says he’s experiencing “minimal symptoms” after testing positive for the coronavirus Wednesday night.

The department began giving away tests Saturday at a series of community events that have seen high demand and people waiting in long lines to get the kits.

The Food and Drug Administration authorization comes one day after the agency cleared a competing drug from Pfizer.

Dr. Walter Freeman performed lobotomies with an ice pick through the eye socket....and other stories about doctors who do evil scientific deeds in the name of medicine.

To block a variant this transmissible, scientists say you need an N95 and other high-filtration masks. Here's how to find a good one and when to wear it.

The drug, Paxlovid, is a faster, cheaper way to treat early COVID-19 infections, though initial supplies will be extremely limited.

Vaccines still do a solid job at warding off hospitalization from omicron. Scientists explain how boosters help and the best timing to get one.

An informal survey of the region’s health systems indicates this newest wave of virus cases hasn’t knocked them off their feet — at least not yet.