Medicine

Self-testing kits remain expensive and hard to find. The reasons go back to the approach the U.S. took from the outset in developing tests.

Delco leaders met with Pennsylvania health officials on Thursday to give the final presentation about rolling out the agency in January.

In small studies in South Africa and Germany, the results indicate a marked decrease in the ability of vaccines to neutralize this variant.

Diagnoses in people who inject drugs were rising before the pandemic. Health officials worry now about spread among people who don’t know their HIV status.

Can the latest competitor to the world-dominating delta overthrow it?

With omicron on everyone’s minds, people are concerned about breakthrough infections. How do you proceed if you think you’ve had one?

New York has announced three more cases of the omicron variant of the coronavirus, bringing to eight the number of state cases linked to the new variant.

Association of State and Territorial Health Officials members are preparing for the worst with the latest variant, while hoping for the best.

Pfizer's CEO says the vaccine maker has asked federal regulators to authorize boosters for 16- and 17-year-olds.

The FDA isn’t bound by the panel’s recommendation and is expected to make its own decision before the end of the year.

The FDA is considering pills that could treat people in early stages of COVID. Here's what to know about how they work, how effective they are and the impact they could make.

Reforming city government after the guilty verdict in the trial of a local union leader and city councilmember. And, an unusual heart on display at the Mutter Museum.

Doctors in the Delaware Valley are pleasantly surprised. An October survey had shown many parents against or hesitant about vaccination.