UP CLOSE AND PERSONAL This 2003 electron microscope image from the United States Centers for Disease Control and Prevention shows mature, oval-shaped monkeypox virions (left) and spherical, immature virions (right) obtained from a sample of human skin associated with a prairie dog outbreak in 2003. CDC PHOTO VIA AP
(UPDATED) MONTREAL: Health authorities in North America and Europe have detected dozens of suspected or confirmed cases of monkeypox since early May, sparking concern that the disease endemic in parts of Africa is spreading.