This product is used for in vitro qualitative detection of the  antigen of novel coronavirus in human throat swabs or nasal  swabs or saliva. The novel coronaviruses belong to the β genus.  COVID-19 is an acute respiratory infectious disease. People are  generally susceptible. Currently, the patients infected by the  novel coronavirus are the main source of infection;  asymptomatic infected people can also be an infectious source.  based on the current epidemiological investigation, the  incubation period is 1 to 14 days, mostly 3 to 7 days. The main  manifestations include fever, fatigue and dry cough. Nasal  congestion, runny nose, sore throat, myalgia and diarrhea are  found in a few cases.