evidence: WHO declares mpox virus a public health emergency of international concern The chief of the World Health Organization (WHO) declared that the rise in mpox cases constitutes a public health emergency of international concern (PHEIC), following advice from members at Wednesday’s International Health Regulations (IHR) Emergency Committee meeting. [...] The WHO Director-General, Tedros Adhanom Ghebreyesus, called for the meeting last Wednesday to seek advice on whether the mpox – previously monkeypox – outbreaks are cause for international concern.