Since the outset of the global monkeypox outbreak in May, public health and infectious disease experts have told the public that the virus is largely transmitting through skin-to-skin contact, in particular during sex between men. Now, however, an expanding cadre of experts has come to believe that sex between men itself — both anal as well as oral intercourse — is likely the main driver of global monkeypox transmission. The skin contact that comes with sex, these experts say, is probably much less of a risk factor. In recent weeks, a growing body of scientific evidence — including a trio...