FILE - This image provided by the National Institute of Allergy and Infectious Diseases (NIAID) shows a colorized transmission electron micrograph of monkeypox particles (red) found within an infected cell (blue), cultured in the laboratory that was captured and color-enhanced at the NIAID Integrated Research Facility (IRF) in Fort Detrick, Md. Scientists say a new form of mpox detected in a mining town in Congo might more easily spread among people. Already, Congo is seeing its biggest mpox outbreak with more than 19,000 suspected infections and 900 deaths. (NIAID via AP, File)