主题：【整理】美国新冠统计数据及趋势，供讨论参考用，特别就中国。 -- 铁手

All countries which are Members of the United Nations may become members of WHO by accepting its Constitution. Other countries may be admitted as members when their application has been approved by a simple majority vote of the World Health Assembly. Territories which are not responsible for the conduct of their international relations may be admitted as Associate Members upon application made on their behalf by the Member or other authority responsible for their international relations. Members of WHO are grouped according to regional distribution (194 Member States)