On February/KOOC-0//KOOC-0/day, 2020, the Director-General of the World Health Organization, Tedros Adhanom Ghebreyesus, announced in Geneva that novel coronavirus would be named "Coronavirus Pneumonia-/KOOC-0/9". On February 22nd, the National Health and Wellness Committee issued a notice, and the English name of "novel coronavirus" was changed to "coronavirus pneumonia-19". On March 1 1, WHO thought that the current COVID-19 epidemic could be called a global epidemic.

On March 1 1 day, 2020, the Director-General of WHO, Tedros Adhanom Ghebreyesus, said that the COVID-19 epidemic had become an epidemic.

Tedros Adhanom Ghebreyesus said at a regular news conference that the spread and severity of the epidemic are deeply worrying. "Therefore, we think that the epidemic situation in COVID-19 has epidemic characteristics."

He said: "We have never seen an epidemic caused by coronavirus before. We have never seen a controlled epidemic before. "

He stressed that describing the novel coronavirus epidemic as an "epidemic" will not change WHO's assessment of its threat, "what WHO is doing, and what countries should do".