vaccine

Here's irony: tobacco plants may be key in preventing COVID-19. Two companies are using the plants to produce proteins for a vaccine. One candidate vaccine is already in a clinical trial.

The move is a reversal of Facebook's longstanding reluctance to block problematic content. Critics say public health misinformation has flourished on the social network.

Pediatricians have been asking policy makers to include children in COVID-19 vaccine trials. Now, the FDA has given Pfizer approval to enroll adolescents as young as 12 years old.

A late-stage study of Johnson & Johnson’s COVID-19 vaccine candidate has been paused while the company investigates whether a study participant’s…

There's evidence that certain vaccines boost the body's defense against many kinds of illness. Scientists are investigating whether this benefit extends to protection from COVID-19.

The requirements laid out by the Food and Drug Administration in advice for drugmakers underscore why it's unlikely a vaccine could clear the agency before Election Day.

Updated at 1:37 p.m. ETAmid criticism from Democrats that politics may be guiding decisions at the nation's top health agencies, the commissioner of the…

Most Americans have never heard of Dr. Richard Whitley, an expert in pediatric infectious diseases at the University of Alabama-Birmingham.Yet as the…

Referring to a report that the FDA plans to tighten requirements for a vaccine, Trump said, "That sounds like a political move."

Volunteers getting the shot help determine if a candidate vaccine works. But what with social distancing and masks, scientists must discern if it's the shot or these other measures preventing illness.