It is authorised for use against smallpox in the UK – but not specifically for monkeypox – and due to the similarity of the pathogens is being used “ off label ”.... The announcement comes as the total number of monkeypox cases in the UK reached 793, with the majority in gay men.... Almost 500 of the cases are in London. ‘Offer vaccine to female sex workers’ Prof Paul Hunter, professor in medicine at the University of East Anglia, said: “ It is certainly looking like the current strategy of ri