*30 January – WHO, which previously declared no human-to-human transmission, declares a world health emergency. More than 9000 cases "officially" reported worldwide.<ref>https://www.nbcnews.com/health/health-news/coronavirus-timeline-tracking-critical-moments-covid-19-n1154341 /</ref> | *30 January – WHO, which previously declared no human-to-human transmission, declares a world health emergency. More than 9000 cases "officially" reported worldwide.<ref>https://www.nbcnews.com/health/health-news/coronavirus-timeline-tracking-critical-moments-covid-19-n1154341 /</ref> |