UK trials smaller doses of monkeypox vaccine as supplies run low

Vials of the smallpox and monkeypox vaccine Jynneos. Photograph: Rebecca Noble/Reuters

Supplies of a vaccine that protects against monkeypox are to be stretched by giving people smaller doses, UK public health officials have announced.

As the monkeypox outbreak continues around the world, efforts are being made to vaccinate those most at risk. However, supplies of the jab, initially developed to tackle the more serious but eradicated disease smallpox, are limited.