A growing body of research has identified a hidden immune defect, not written in DNA, that helps explain why certain people develop life-threatening COVID-19 while others barely notice the infection.

A rare but serious clotting disorder linked to certain COVID-19 vaccines and natural adenovirus infections has puzzled scientists for years.

Researchers have identified the molecular mechanism behind vaccine-induced immune thrombotic thrombocytopenia, or VITT, a rare clotting disorder that emerged in a small number of people who received ...

Scientists say they now know what went wrong with Johnson & Johnson’s Covid vaccine - Some people who took the shots developed a rare and severe type of blood clot called VITT ...

Rare but dangerous blood clotting associated with that vaccine as well as AstraZeneca’s had a genetic cause, according to a new paper.

PHILADELPHIA (WPVI) -- The rush around the world to find a COVID-19 vaccine continues as fears of a second spike of cases grow. Among the clinical trials is one occurring right here in Philadelphia.

NEWARK, Calif. (KGO) -- The race is underway to produce and use the omicron variant's DNA to determine how well existing vaccines work against it, ahead of the first case surfacing in the U.S. The Bay ...

Results further validate PlaCCine as a novel vaccine platform with potential applications in COVID-19 and other infectious diseases with epidemic implications “It is very encouraging to see strong ...

Officers responded to the 1800 block of Hewitt Avenue at about 3 p.m. Apartments fetch eye-watering purchase price in region's largest real estate deal of 2025 The developer of a Greater Cincinnati ...

GOLDEN, Colo.--(BUSINESS WIRE)--PharmaJet ®, the maker of innovative, needle-free injection technology, today announced that its partner, Zydus Cadila, has received the Emergency Use Authorization ...