摘要
To the Editor In December of 2019,a widespread outbreak of novel coro-navirus pneumonia(NCP)occurred in Wuhan,China.On January 12,2020,the virus causing NCP was named as“2019-nCoV”by the World Health Organization[1,2].The World Health Organization renamed NCP as“COVID-19”.COVID-19 is a highly contagious respiratory virus that poses a serious threat to human health worldwide.At present,COVID-19 has been classified as a Class B infectious disease in China,and management of Class A infectious diseases has been adopted.As of March 10,2020,80932 cases were diagnosed and confirmed as COVID-19 in China,with 60002 cured cases and 3140 death.Meanwhile,34656 cases were diagnosed and confirmed as COVID-19 abroad.