Experts have answers for you on the updated COVID vaccines, including when to get the jab, which variants they should work against, and more.

The winners of the 2023 Nobel Prize in physiology or medicine made a discovery that helped create the COVID-19 vaccines. They couldn’t have anticipated the tremendous impact of their findings.

Studies of a ‘future-proof’ vaccine candidate have shown that just one antigen can be modified to provide a broadly protective immune response in animals. The

Only time and data will tell whether the CDC-recommended reformulated shots can stand their ground against the ever-changing SARS-CoV-2 variants.

The new approach could lead to intranasal vaccines for Covid-19 and other respiratory diseases.

Hesitancy towards COVID vaccines extends to pet vaccinations, as well—and at worrying levels, researchers report.

We all want to move on from COVID-19. But it's not so simple, says Angela Branche, an infectious disease expert.

A three-part series from FactCheck.org breaks down Presidential hopeful Robert F. Kennedy, Jr.'s long history of false health claims.

Nearly 100,000 US children under age 5 are hospitalized each year for an RSV infection.

A study of incarcerated people in Connecticut finds that high levels of COVID exposure may reduce immunity from vaccines or prior infection.