Two bars appear on the New Coronavirus Antigen Test Kit, if it is T dark C light proving a weak positive, if it is T light C dark a re-test is required. People are advised to follow the collection guidelines for proper and standardized retention of monitoring specimens. When this occurs, it should be reported immediately to the regional command center for epidemic prevention in your area and treated according to the type of infection. Asymptomatic infected persons may be isolated at home, observe their own vital signs and report daily. Those with mild, moderate or severe infection will be sent to designated hospitals for treatment. There are two zones, C and T, on the New Coronavirus Antigen Test Kit. One of the C zone is the quality testing zone, all specimens collected will have a red bar at C. If it is not there, it means that the specimen is not qualified and cannot be tested. The other T zone is the detection zone. If a red bar appears, it indicates that there is a new coronavirus infection that requires isolation and treatment.