There have been hundreds of measles cases reported in the U.S. since the beginning of the year. Here's what you need to know about measles immunity.

“If you were born after 1957 and you think your parents gave you your shots as a child and you're a healthy person, you do not need to rush off to get a booster," Dr. Harris tells PEOPLE.

“It’s what their resources are.” Alrene Klassen, 85, receives a booster vaccine at a senior living facility in McMinnville, Ore., in 2021. Alisha Jucevic for The New York Times ...

The head of the Food and Drug Administration said Tuesday that the agency is now looking at whether it will still approve COVID-19 vaccines for next winter, citing a lack of data on booster shots ...

Those getting a measles booster shot would be receiving a dose of the standard measles, mumps and rubella (MMR) vaccine. There is no harm in getting another MMR dose, CDC says, if you may already ...

COVID boosters still give you a lot of extra protection. Adults who got a booster had a 24% reduced risk of going to the emergency room or urgent care for COVID, compared to people who didn ' t ...

Those getting a measles booster shot would be receiving a dose of the standard measles, mumps and rubella (MMR) vaccine. There is no harm in getting another MMR dose, CDC says, if you may already ...

Vaccinations are down. Do you need a booster shot? The latest Massachusetts data show more than 10 percent of kindergarten classes don’t have sufficient protection against measles.