The symptoms of the same strain in COVID-19 are different, and the symptoms of such infected people are the same as those in COVID-19, such as dry cough, fever, fatigue and other major clinical manifestations. Of course, at this time, the patient's clinical symptoms are also related to the patient's condition.

Virus experiments need to cultivate viruses. The virus was cultured under laboratory conditions. It is the protozoa of the virus, a virus produced by a strain produced by mycelium. It is similar to a cell line.