The U.K. health authorities have confirmed a case of #monkeypox, a rare viral #infection. It was detected in a person with a recent travel history to #Nigeria where they are believed to have caught it. The monkeypox virus is an orthopoxvirus, which is a genus of viruses that also includes the variola virus, which causes smallpox. Monkeypox is a #zoonosis, a disease that is transmitted from infected animals to humans.