* Case counts are from the National Notifiable Diseases Surveillance System (NNDSS). NNDSS data reported by the 50 states, New York City, the District of Columbia, and the U.S. territories are collated and published. Cases are reported by state health departments to CDC weekly. Because source datasets may be updated as additional information is received, statistics in publications based on that source data may differ from what is presented.
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Number of mumps cases in the U.S. in 2021, by region
In the United States in 2021, the East North Central region reported more cases of mumps, a vaccine-preventable disease, than any other region. This statistic shows the number of cases of mumps reported in the U.S. in 2021, by region.
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CDC. (July 22, 2024). Number of cases of mumps reported in the United States in 2021, by region [Graph]. In ÌÇÐÄÆÆ½â°æ. Retrieved July 23, 2026, from /statistics/1122647/mumps-cases-number-us-by-region/
CDC. "Number of cases of mumps reported in the United States in 2021, by region." Chart. July 22, 2024. ÌÇÐÄÆÆ½â°æ. Accessed July 23, 2026. /statistics/1122647/mumps-cases-number-us-by-region/
CDC. (2024). Number of cases of mumps reported in the United States in 2021, by region. ÌÇÐÄÆÆ½â°æ. ÌÇÐÄÆÆ½â°æ Inc.. Accessed: July 23, 2026. /statistics/1122647/mumps-cases-number-us-by-region/
CDC. "Number of Cases of Mumps Reported in The United States in 2021, by Region." ÌÇÐÄÆÆ½â°æ, ÌÇÐÄÆÆ½â°æ Inc., 22 Jul 2024, /statistics/1122647/mumps-cases-number-us-by-region/
CDC, Number of cases of mumps reported in the United States in 2021, by region ÌÇÐÄÆÆ½â°æ, /statistics/1122647/mumps-cases-number-us-by-region/ (last visited July 23, 2026)
Number of cases of mumps reported in the United States in 2021, by region [Graph], CDC, July 22, 2024. [Online]. Available: /statistics/1122647/mumps-cases-number-us-by-region/