This iamge provided by the National Institute of Allergy and Infectious Diseases (NIAID) shows a colorized transmission electron micrograph of monkeypox particles (orange) found within an infected cell (brown), cultured in the laboratory. This image was captured at the NIAID Integrated Research Facility (IRF) in Fort Detrick, Md. The World Health Organization recently declared the expanding monkeypox outbreak a global emergency. It is WHO’s highest level of alert, but the designation does not necessarily mean a disease is particularly transmissible or lethal. (NIAID via AP)
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