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Monkeypox can look different than what doctors thought. Here's what they're learning

Symptoms that doctors were taught about in medical school are not necessarily indicative of the cases of 2022. It can be much more subtle — and look a lot like other diseases.
Above: a monkeypox lesion. The lesions in cases that are part of the 2022 outbreak are often first seen on genitalia or the anus. Spread to other parts of the body is possible but doesn't always occur.

For the first time in history, the world is facing an international outbreak of monkeypox. Doctors have detected nearly 800 cases across the globe, from Argentina to the United Arab Emirates. The U.K. and Portugal have detected the most cases, with about 200 and 100 cases in each country, respectively. The U.S. has recorded 21 cases and Canada has 58.

Such a broad geographic spread suggests "widespread human-to-human transmission is currently underway," said Dr. Maria van Kerkhove, with the World Health Organization, on Thursday. This transmission has "likely been ongoing for several weeks, if not months," she noted.

Two studies, published Thursday, demonstrate the virus is spreading, undetected, in some communities of and the — because,

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