Figures set to be published later on Monday will show an increase in the number of confirmed viral cases in England.

The UK Health Security Agency is advising people at high risk of catching the disease to self-isolate for three weeks, and call NHS 111 before seeing a doctor.

This is the advice for anyone having sexual or household contact with a monkeypox-infected person.

Symptoms include unusual rashes, lesions and swollen lymph nodes.

Over the weekend, Belgium introduced 21-day quarantine, following this new outbreak of a viral disease first identified in the 1950s.

So what is monkeypox, what about vaccines and how worried should we be?

The Leader is joined by Keith Neal, emeritus professor at the University of Nottingham and a 30-year veteran of studying epidemiology and infectious diseases.

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