U.S. health officials have stopped the publication of a study on the COVID-19 vaccine's effectiveness in preventing ...

The Centers for Disease Control and Prevention (CDC) has canceled publication of a scientific report showing the efficacy of ...

The new COVID-19 variant BA.3.2 is being monitored by epidemiologists — but it doesn't account for a major surge of cases yet.

The emergence of the BA.3.2 strain comes amid broader uneasiness about COVID vaccination rates among seniors, who are ...

The report found that the shots cut the likelihood of hospitalizations, but the agency’s acting head said it gave an ...

Researchers have uncovered why a rare blood clotting disorder can occur after certain COVID-19 vaccines or adenovirus infections. The immune system can mistakenly target a normal blood protein (PF4) ...

Stanford researchers identify a two-step immune reaction underlying rare myocarditis cases after mRNA COVID vaccination, primarily in adolescent males and young men. Cases typically resolve quickly ...

A public health expert breaks down the details of the CDC delaying reporting of COVID-19 vaccine benefits, including study ...

What happens inside the lungs before COVID-19 symptoms appear? Research in mink offers a rare window into the early stages of ...

Add Yahoo as a preferred source to see more of our stories on Google. Dr. Anthony Fauci, former Director of the National Institute of Allergy and Infectious Diseases, testifies before the House ...

This approach of an expert tackling misinformation (the dilution or distortion of facts unintentionally) and disinformation ...

One of the greatest scientific achievements in human history became a political liability almost overnight. When the Covid-19 pandemic hit, scientists identified the virus, deciphered its secrets, ...