Director General of the World Health Organisation Tedros Adhanom Ghebreyesus attends a news conference on the situation of Covid-19, in Geneva, Switzerland, on February 28. Reuters
Director General of the World Health Organisation Tedros Adhanom Ghebreyesus attends a news conference on the situation of Covid-19, in Geneva, Switzerland, on February 28. Reuters

WHO warns of oxygen shortage as cases rise by a million a week