FILE PHOTO: Colorized transmission electron micrograph of mpox virus particles

FILE PHOTO: An undated colorized transmission electron micrograph of mpox virus particles (pink) found within an infected cell (yellow), cultured in the laboratory, captured at the National Institute of Allergy and Infectious Diseases (NIAID) Integrated Research Facility (IRF) in Fort Detrick, Maryland. NIAID/Handout via REUTERS /File Photo