Measles cases in 2024

July 23, 2024
Measles cases and outbreaks.

According to a Centers for Disease Control and Prevention report, there have been 167 cases of measles in 2024.

As of July 11th, a total of 167 measles cases were reported by 24 jurisdictions: Arizona, California, Florida, Georgia, Illinois, Indiana, Louisiana, Maryland, Michigan, Minnesota, Missouri, New Hampshire, New Jersey, New Mexico, New York City, New York State, Ohio, Oregon, Pennsylvania, Vermont, Virginia, Washington, West Virginia, and Wisconsin.

There have been 13 outbreaks (defined as 3 or more related cases) reported in 2024, and 66% of cases (110 of 167) are outbreak-associated. For comparison, 4 outbreaks were reported during 2023 and 48% of cases (28 of 58) were outbreak-associated.

77 (46%) of the cases were children under 5 years of age. 37 (22%) were 5-19 years and 53 (32%) were over 20. Of the 167, 84 were unvaccinated or their vaccination status was unknown. 11% had one MMR dose and 5% had two MMR doses.

53% of cases hospitalized (88 of 167) for isolation or for management of measles complications. Of the hospitalized cases, 61% (47 of 77) were under 5 years, 41% (15 of 37) were 5-19 years, and 49% (26 of 53) were over 20 years of age.

CDC release