As Texas measles outbreak grows, here's what to know about the disease, vaccines and response
The measles outbreak in Texas has quickly grown to 146 cases. One child has died. NBC News answers readers' questions about the disease, vaccines and government response.
Amid growing Texas outbreak, how contagious is measles?
Measles is one of the most contagious viruses known to humans. Just one infected patient can spread measles to up to nine out of 10 susceptible close contacts, according to the Centers for Disease ...