1. 【discovery process】
Since December 2019, influenza surveillance has been carried out in Wuhan, China, and multiple cases of viral pneumonia have been found, all of which are diagnosed as viral pneumonia / pulmonary infection. It was named by the World Health Organization on January 12, 2020.
Coronavirus is a large family of viruses known to cause colds and severe diseases such as mers and SARS.
The new coronavirus is a new strain of coronavirus which has never been found in human body before.
2、【Number of infected persons】
（end 2020.1.30）
3、【Proliferation by country】
（end 2020.1.30）
4、【symptoms and treatment】
The common signs of people infected with coronavirus are respiratory symptoms, fever, cough, shortness of breath and dyspnea. In more serious cases, infection can lead to pneumonia, severe acute respiratory syndrome, renal failure, and even death.
At present, there is no specific treatment for the disease caused by new coronavirus. But many symptoms can be treated, so it needs to be treated according to the clinical situation of patients. In addition, supplementary care for infected people may be very effective.
5、【How to protect yourself】
Maintain basic hand and respiratory hygiene, adhere to safe eating habits, and try to avoid close contact with anyone with respiratory symptoms (such as coughing and sneezing).