GENEVA — The World Health Organization’s top official in Europe called on Wednesday for urgent action by the authorities and civic groups to control fast-rising cases of monkeypox that he said posed a real risk to public health.
Europe has emerged as the epicenter of an outbreak of monkeypox, with more than 1,500 cases identified in 25 European countries, which account for 85 percent of global cases, the official, Dr. Hans Kluge, the W.H.O.’s director of its European region, said at a…