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measles
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Measles measles
Gloved hands draw liquid from a vial into a syringe, overlaid on a digitally colored microscopic image of a virus with round particles in clusters.
Find out from Dr. Tina Tan of Northwestern University why adult vaccination against various types of diseases is important
Measles Historical mass vaccination programs in the United States
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measles summary
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measles: Facts & Related Content

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News •

Traveler with measles was at Newark Airport while infectious, health officials say • May 16, 2025, 6:27 AM ET (CBS)
Measles cases across the country highest in six years • May 13, 2025, 3:31 AM ET (ABC News (Australia))
Eastern Ontario Health Unit confirms 2 cases of measles • May 10, 2025, 12:37 PM ET (CBC)
The US has nearly 900 measles cases, and 10 states have active outbreaks. Here's what to know • Apr. 30, 2025, 5:44 PM ET (AP)

Facts

Also Known As rubeola

Photos and Videos

measles
Measles
Historical mass vaccination programs in the United States
Gloved hands draw liquid from a vial into a syringe, overlaid on a digitally colored microscopic image of a virus with round particles in clusters.
Find out from Dr. Tina Tan of Northwestern University why adult vaccination against various types of diseases is important
See All Videos, Images and Interactives →

Related Topics and References

Topics
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Key People

Maurice Hilleman
Maurice Hilleman
American microbiologist
Baillou, detail of an oil painting by an unknown artist, c. 1580
Guillaume de Baillou
French physician

Related Quizzes and Features

Quiz
Encyclopaedia Britannica thistle graphic to be used with a Mendel/Consumer quiz in place of a photograph.
44 Questions from Britannica’s Most Popular Health and Medicine Quizzes
3d illustration human heart. Adult Anatomy Aorta Black Blood Vessel Cardiovascular System Coronary Artery Coronary Sinus Front View Glowing Human Artery Human Heart Human Internal Organ Medical X-ray Myocardium
Medical Terms and Pioneers Quiz
A Yorkshire terrier dressed up as a veterinarian or doctor on a white background. (dogs)
A Visit with the Word Doctor: Medical Vocabulary Quiz