Missouri has its first confirmed case of measles here in the Ozarks. Health leaders say a child visiting Taney County tested ...

Amid the ongoing measles outbreak, many people might be wondering: do I need to get a measles vaccine booster?

There have been 800 confirmed cases of measles across 25 states so far this year, according to the latest update from the CDC ...

Dr. Helen Jiang tells PEOPLE why her practice is offering the MMR vaccine early — and why she's going to vaccinate her infant ...

Half of states in the US are now reporting measles cases, with the national total surpassing 800 cases so far this year, ...

Montana public health officials have found five cases of measles in Gallatin County, the first cases of the disease in the ...

Measles can erase the immune system's "memory" and cause a rare but fatal health condition. The MMR vaccine prevents these repercussions, evidence shows.

State health officials said fewer than 30 of the cases identified by the state were considered "actively infectious." ...

Here's what to know about whooping cough amid the growing cases.

Kansas health officials confirmed five new cases of measles Wednesday in an outbreak in the southwest corner of the state that's linked to Texas and New Mexico.

As measles outbreaks popped up across the U.S. this winter, pediatricians waited for the nation's public health agency to ...

RFK Jr. claims the measles vaccine effectiveness wanes at a rate of nearly 5% a year, an assertion medical experts dispute.