Second monkeypox strain found in US cases

By Associated Press

Jun 05, 2022 12:40 am

NEW YORK CITY: A genetic analysis of recent monkeypox cases suggests there are two distinct strains in the United States, health officials said on Friday (Saturday in Manila), raising the possibility that the virus has been circulating undetected for some time.

Many of the US cases were caused by the same strain as recent cases in Europe, but a few samples show a different strain, federal health officials said. Each strain had been seen in US cases last year, before the recent international outbreak was identified.

SERIOUSLY SPREADING This photo provided by the Unidad de Microscopía Electrónica del ISCIII on May 26, 2022 shows an electronic microscope image of the monkeypox virus as seen by a team from the Arbovirus Laboratory and the Genomics and Bioinformatics Units of the Carlos 3rd Health Institute in Madrid. AP PHOTO

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