Medicine

“This ought to be reassuring,” NIH Director Dr. Francis Collins said before a Senate committee.

The announcement comes amid worries that the FDA will be under political pressure to approve a vaccine before tests to prove it is safe and effective are finished.

A combination of things — access to primary care, chronic health conditions and environmental factors — may be to blame, but researchers still can’t say.

Many people who had COVID-19 are still experiencing symptoms weeks and months after they were infected. Now, a Penn clinic is trying to help these "long haulers" recover.

Trump hailed the decision as a historic breakthrough even though the treatment’s value has not been established.

Men can’t give blood, or plasma for COVID patients, if they’ve had sex with men in the past 3 months. Some hope to reverse what they see as anti-gay bias.

We'll talk about where the vaccine trials stand and the challenges of immunizing large populations. We'll also learn the latest on virus transmission and immunity.

The vaccine developed by the Plymouth Meeting firm and Wistar Institute researchers finished Phase I trials and is moving to an accelerated Phase II/III.

Health and beauty may go together in the drugstore — but in real life, the two aren’t always so simpatico. From excessive dieting to ...

Final-stage testing of the vaccine, developed by the National Institutes of Health and Moderna Inc., began with volunteers at numerous sites around the U.S.

The more they know about the novel coronavirus, the more hospitals adapt their treatment protocols. That evolution may be lowering the local death rate.

When Pa. ordered a coronavirus shutdown in March, things were clear: Stay home. Four months later, localized rules make safety seem open to interpretation.

As COVID cases surge, we examine why in the U.S. pandemic response has failed, what we are learning about the virus, and why Pa. needed a mask mandate.

Thanks to COVID-19, social media has never been more important — or more dangerous. Information — good or bad — spreads at lightnin ...

The question is not just about money. It’s also about getting the word out to people who need to hear it and might not get it elsewhere.