While most people's symptoms improve, 1 in 5 unvaccinated people who catch measles will be hospitalized, 1 out of every 1,000 ...

If you've already been vaccinated for measles, do you need to get a booster now that it's spreading in the US?

Robert F. Kennedy Jr., a longtime vaccine skeptic, seemingly reversed course and touted benefits of MMR vaccine amid deadly ...

The health secretary is emphasizing the importance of vaccines after previously calling the measles outbreak in Texas “not ...

State and local health officials are urging individuals to receive MMR vaccine as Texas reaches 124 cases this week. Here is ...

As cases of measles keep rising in Texas, some doctors call Robert F. Kennedy Jr.'s response a "wink and nod" to anti-vaccine ...

As the measles outbreak continues to spread in Texas, there have been two confirmed cases in New York City. The city Department of Health has not said exactly where the cases were reported or if they ...

The measles outbreak in Texas has quickly grown to 146 cases. One child has died. NBC News answers readers' questions about ...

Adults born before 1957 are assumed to have natural immunity because they were likely exposed to measles before the vaccine ...

For those who were vaccinated for measles many decades ago, there’s a chance the protection has worn off by now. Here's how ...

Robert F. Kennedy Jr., the H.H.S. secretary, claimed that doctors had successfully treated children with unconventional ...