Joe Palca

Another COVID-19 vaccine may soon be available. The Food and Drug Administration has conducted an evaluation of the application from Johnson & Johnson for emergency use authorization for its vaccine.

An advisory panel to the Food and Drug Administration met on Thursday to review Moderna’s application for emergency use authorization for its COVID-19 vaccine. NPR discusses the latest.

Pfizer’s COVID-19 vaccine is the first to have data showing that it exceeded the minimum effectiveness threshold set by the Food and Drug Administration for emergency use.

Pfizer’s COVID-19 vaccine is the first to have data showing that it exceeded the minimum effectiveness threshold set by the Food and Drug Administration for emergency use.

A large study of a COVID-19 vaccine candidate has been put on hold after one of the volunteers became ill.

Several COVID-19 vaccine candidates are being tested now. But why does it take 30,000 volunteers to know if one is safe and effective? And what does it mean to say a vaccine candidate is working?

A vaccine against the coronavirus needs to keep people from getting very sick and dying. But preventing the spread of the disease is also important, and vaccines delivered by nasal spray may do that.

A potential coronavirus vaccine developed by U.S. biotech company Moderna and the National Institutes of Health started its final phase of testing Monday. The trial includes up to 30,000 volunteers.

The federal government on Tuesday announced grants for the development and manufacture of vaccines and treatments for COVID-19 totaling over $2 billion.

In the 1950s, as Dr. Jonas Salk and virologist Albert Sabin worked to create a vaccine to prevent infantile paralysis, the threat from polio was already long familiar to Americans.