CDC is updating webpages with the term "mpox" to reduce stigma and other issues associated with prior terminology. This change is aligned with the recent World Health Organization decision.

U.S. Mpox Case Trends Reported to CDC

Trends of mpox cases reported to CDC during the 2022 outbreak by date*

Data are updated every Wednesday as soon as they are reviewed and verified. Historical cases may be added as additional information is obtained through case investigations.

* Date is defined as the earliest date available regarding the case, beginning with date of illness onset, diagnosis date, positive laboratory test report date, CDC call center reporting date, or case data entry date into CDC’s emergency response common operating platform, DCIPHER.

Case counts include those who tested positive for either mpox virus or orthopoxvirus as described in the case definition.

** The 7-day moving average (denoted by the black line) calculates the average number of cases per day in the previous 7 days.