Measles Cases and Outbreaks
Measles outbreaks in the United States are ongoing. For data as of June 13,
visit Measles Cases and Outbreaks.
Most measles cases in the U.S. are related to international travel. Make
sure you and your loved ones are protected before you travel internationally.
Visit Measles: For Travelers.
After international travel: Watch for measles
Measles is highly contagious and can spread to others through
coughing and sneezing. Measles is so contagious that if one person has it,
90% of the people close to that person who are not immune will also
become infected. An infected person can spread measles to others 4 days
before the rash even develops.
Watch your health for 3 weeks after you return. Measles symptoms typically
- high fever (may spike to more than 104° F)
- runny nose (coryza)
- red, watery eyes (conjunctivitis)
- rash (3-5 days after symptoms begin)
If you or your child gets sick with a rash and fever, call your doctor. Be sure
to tell your doctor that you traveled abroad, and whether you have received