Health authorities in Europe, North America, Israel and Australia have identified more than 100 cases of monkeypox in recent days. 1 of3 In this photo provided by the Unidad de Microscopía Electrónica del ISCIII in Madrid, on Thursday May 26, 2022, an electronic microscope image shows the monkeypox virus seen by a team from the Arbovirus Laboratory and the Genomics and Bioinformatics Units of the Carlos III Health Institute (ISCIII) in Madrid.