Covid, Zika, And Now Monkeypox: When Does WHO Sound Its Highest Alert

A Public Health Emergency of International Concern (PHEIC) is the rarely used top alert available to the World Health Organization to tackle a global disease outbreak.

source https://www.ndtv.com/world-news/covid-zika-and-now-monkeypox-how-a-global-health-emergency-is-decided-3187421