Monkeypox has not previously been described as a sexually transmitted infection, though it can be passed on by direct contact during sex. The UK public health body said 'the virus does not spread easily between people' but since most recent cases were from the gay, bisexual and MSM communities - and as the virus spreads through close contact - 'we are advising these groups to be alert to any unusual rashes or lesions on any part of their body, especially their genitalia, and to contact a sexual health service if they have concerns'.ĪLSO READ: Explainer: Why monkeypox cases are rising in Europe The warning comes after the UK reported its ninth monkeypox case since May 6, with the UKHSA confirming 'recent cases predominantly in gay and bisexual communities, or men who have sex with men (MSM)'. The United Kingdom Health Security Agency has warned 'men who are gay and bisexual' to be aware of unusual rashes or lesions and contact a doctor without delay in such a case.