Texas' measles outbreak is up to 90 cases. Here's what you need to know about the virus, vaccination and boosters.

With a measles outbreak growing in West Texas, and cases popping up across the country, experts say vaccination is your best protection. And it's not just for kids. Some adults may need a booster.

The measles outbreak in rural West Texas has expanded to 90 confirmed cases across seven counties, with 16 people hospitalized, according to the Texas Department of State Health Services. Meanwhile, ...