A bout of measles sends the immune system into shock, demolishing critical cells that help our bodies respond to threats.

Measles is a highly contagious disease caused by a virus, and most commonly affects children. Symptoms include a high temperature, runny or blocked nose, sneezing, a cough and red or watery eyes. A ...

“Infected people are contagious from 4 days before the rash starts through 4 days afterward. The incubation period for measles, from exposure to fever, is usually about 7-10 days, and from exposure to ...