UK health chiefs have sounded the alarm over a surge in mpox cases across Europe and the US.

The clade 1b mutation kills up to one in 100 of those infected and is believed to be behind a wave of miscarriages in Africa, where it emerged.

UK Health Security Agency (UKHSA) officials said it was aware of small numbers of cases of the strain in Spain, Italy, the Netherlands, Portugal and the US. Continues…