Measles is a highly contagious airborne disease caused by a virus, and can be severe or even fatal. According to the U.S. Centers for Disease Control and Prevention (CDC), the best way to protect yourself against measles is to get vaccinated. Here, TIME answers all your questions about the vaccine.

Yale researchers have found clues as to why certain people experience adverse health effects after the COVID-19 vaccine, which they have dubbed “post-vaccination syndrome."

With measles cases on the rise and flu season straining the nation's hospitals, health experts urge adults to check their vaccination status and get any missing shots. Health experts agree that vaccines are the best defense against many infections,

As of Feb. 20, there were a total of 93 measles cases reported in eight states: Alaska, California, Georgia, New Jersey, New Mexico, New York City, Rhode Island and Texas, according to the Centers for Disease Control and Prevention. For comparison, 285 cases were reported in the U.S. in 2024.

The United States has joined a WHO-led flu vaccine meeting, despite the Trump administration's plans to withdraw from the global health agency.

A small study on Covid vaccine safety has sparked an online tempest — and highlighted the conundrum faced by some scientists.

COVID-19 vaccines target emerging variants, offering improved protection. Learn about their effectiveness, timing, and safety.

In Texas, at least 90 cases of measles have been reported in recent weeks across the northwest part of that state.

Measles cases are currently rising in the U.S. We spoke with doctors to explain everything you need to protect yourself, including if you need a booster.