2022 Outbreak Cases and Data

Beginning February 1, 2023, the data below will be updated every two weeks.

Disclaimer: The weekly average can contain historical cases and may not reflect the exact number of new cases for the week. During the August 2, 2023 update, the U.S. death count was updated from 45 to 46 to reflect an mpox death that occurred in November 2022.

Science Brief: Detection and Transmission of Mpox Virus During the 2022 Clade IIb Outbreak

Evolving data about how mpox virus spreads

Read the Science Brief
Mpox Risk Assessments

Timely assessments of outbreak trajectory and implications for public health

Read the Analyses