Add Yahoo as a preferred source to see more of our stories on Google. Spencer Platt/Getty Stock image of a Covid vaccine clinic. Scientists are trying to understand why a small number of people may ...

The skin-related adverse effects of COVID vaccines have been dismissed as 'irrelevant” by experts and overlooked by the public, writes Jane M. Orient, M.D., in the spring issue of the Journal of ...

PHILADELPHIA (WPVI) -- Local medical experts who spend their careers researching viruses and vaccines say we should expect a small number of people to have allergic reactions to the vaccine, but only ...

CHAPEL HILL, N.C. -- As the US Food and Drug Administration considers whether to authorize emergency use of Pfizer and BioNTech's COVID-19 vaccine, medical experts are paying close attention to ...

SAN FRANCISCO (KGO) -- Five Bay Area counties say local health providers received COVID-19 vaccine doses from a particular Moderna lot now being paused due to possible allergic reactions. Those ...

LIBERTYVILLE, Ill. -- Advocate Aurora Health, a health care system in Wisconsin and Illinois, said it has resumed COVID-19 vaccinations after temporarily pausing them to investigate "experienced ...

Simultaneous administration of a COVID-19 mRNA booster shot and the seasonal influenza vaccine slightly increased the risk of systemic reactions during the following week compared with a booster shot ...

A rare clotting disorder puzzled doctors during the COVID vaccine rollout. New research reveals the unlikely chain of events that causes it.

Two patients reported worse headaches after drinking the same amount of alcohol they would have consumed prior to having COVID. One patient, a 40-year-old woman with a history of Ehlers-Danlos ...

Scientists are trying to understand why a small number of people may develop adverse reactions to the Covid vaccine. Researchers from Yale analyzed the blood of 42 people who struggled with ...