A new mutant strain of mpox has been detected in England, health officials warned today. The unnamed patient had recently come to the UK after traveling to Asia. Seeking medical advice, the case was flagged with the UK Health Security Agency (UKHSA) who undertook laboratory testing and discovered the strain contained elements of both 'clade Ib and clade IIb mpox'. 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. A different, less severe, form of mpox, called clade II, sparked alarm...