As the Trump administration moves to limit COVID booster vaccines for some, here's what to know about the latest variant NB.1.8.1 and its symptoms.

Symptoms appear to be similar to other variants of COVID-19 and the public health risk remains low, WHO information shows.

Health Secretary Robert F. Kennedy Jr. recently announced more key changes to the CDC recommendations for COVID-19 vaccination. Two health experts answer questions about what the changes mean.

A new, highly transmissible COVID subvariant has been detected in California — heightening the risk of a summer wave as recent moves by the Trump administration threaten to make vaccines harder to get,

Last month, an average of about 350 people died each week from COVID, according to data from the CDC. With available vaccines and treatments, why are people still dying?

A new variant of COVID-19 is circulating in parts of the world and may be driving an increase in cases in the eastern Mediterranean, Southeast Asia and western Pacific regions.

Experts say the new variant could take hold because it has been a while since the U.S. saw a COVID wave. See what to know in Florida.

The FDA will no longer recommend annual COVID vaccinations for healthy people younger than 65. This means that if you are under 65 and considerably healthy, you will not be eligible to receive the yearly vaccine.

Many agree that the original course of vaccination offered significant protection against serious illness in children. Data from the C.D.C. shows that two or more doses of Covid vaccines were 40 percent effective at preventing emergency room visits and hospitalizations among children under the age of 5.

A fresh coronavirus strain that is quickly gaining traction abroad has been detected in New York and other parts of the country through a federal airport COVID-19 testing program, the U.S. Centers for Disease Control and Prevention has confirmed.