Find out how different vaccines for the coronavirus cause your body to create antibodies that fight the virus.

After years of work, scientists have solved the mystery of an unusual side effect that impacted some recipients of the Oxford/AstraZeneca and Johnson & Johnson COVID-19 vaccines. Most importantly, the ...

Scientists say they have identified a mutated autoantibody gene as the mechanism behind rare but serious abnormal blood ...

An infectious disease specialist took the time to explain what herd immunity is, how it works and when it might affect the spread of COVID-19. Dr. Frank Esper works for the Cleveland Clinic Children's ...

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

Add Yahoo as a preferred source to see more of our stories on Google. A healthcare worker places vials containing doses of the "Comirnaty" Pfizer BioNTech and Moderna vaccines against the coronavirus ...

Personalized vaccines that steer the immune system to fight unique cancer cells show promise, but another powerful way to treat cancer might be hiding in plain sight. People being treated for advanced ...

Discovery caps 5-year journey to get to the bottom of one of the most puzzling chapters of the COVID-19 pandemic ...

One panelist accused the F.D.A. of withholding data on potential harms. The advisers also are reviewing research on vaccines ...

(Reuters) -Cancer patients who received mRNA-based COVID vaccines within 100 days of starting treatment with widely used immunotherapies were twice as likely to be alive three years after beginning ...