CDC: Variety of Reported U.S. Measles Circumstances Elevated in First Quarter of 2024

Medically reviewed by Medicine.com.

By Elana Gotkine HealthDay Reporter

THURSDAY, April 11, 2024 — U.S. measles elimination standing was maintained as of the top of 2023, however there was a rise within the variety of measles instances reported within the first quarter of 2024, in line with analysis revealed within the April 11 concern of the U.S. Facilities for Illness Management and Prevention Morbidity and Mortality Weekly Report.

Adria D. Mathis, M.S.P.H., from the CDC in Atlanta, and colleagues analyzed epidemiologic and laboratory surveillance knowledge and the efficiency of the U.S. measles surveillance system after the 2019 measles outbreaks.

The researchers discovered that the CDC was notified of 338 confirmed measles instances throughout Jan. 1, 2020, to March 28, 2024; 29 p.c of those instances occurred throughout the first quarter of 2024, representing a greater than 17-fold enhance over the variety of instances throughout the first quarter of 2020 to 2023. The median affected person age was 3 years among the many 338 reported instances; 91 p.c of sufferers had been unvaccinated or had unknown vaccination standing. Info on ≥80 p.c of important surveillance indicators was included for 336 case investigations. The most important transmission chain throughout 2020 to 2023 lasted 63 days. As of the top of 2023, U.S. measles elimination standing was maintained as a result of absence of sustained measles virus transmission for 12 consecutive months within the presence of a well-performing surveillance system.

“Due to excessive inhabitants immunity, the danger of widespread measles transmission in america stays low; nevertheless, efforts are wanted to extend routine measles, mumps, and rubella vaccination protection,” the authors write.

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