UKHSA teams have been tracing contacts of people with a confirmed case and are advising those at highest risk to isolate at home for up to 21 days.Ī smallpox vaccine is being offered to close contacts to reduce their risk of symptoms and severe illness. Anyone who is worried they have developed monkeypox symptoms such as a new rash is being urged to contact their nearest sexual health clinic (Picture: Christopher Furlong/Getty Images)