09/03/2026
Measles Spreads Easily: Know the Facts
It can spread through the air when an infected person coughs, sneezes, or breathes—and the virus can remain in the air for a period of time after they leave.
Symptoms may include fever, cough, runny nose, red or watery eyes, and a rash that usually begins on the face and spreads downward. Because measles can spread before someone knows they are sick, recognizing symptoms and taking precautions after a possible exposure are important ways to help protect others.
For reliable information about measles, prevention, and what to do if you may have been exposed, visit trusted public health resources and talk with your healthcare provider.
Vaccination is a personal choice. The MMR vaccine is one of the available tools to help reduce measles transmission.
Measles is so contagious that if one person has it, up to 9 out of ...