COVID-19 test cassettes mainly refer to COVID-19 antigen rapid detection test cassettes (saliva), only a bar in the C area indicates normally. Usually, there will be two areas with red bars on the test strip, one of which is C, which means the quality control area, and the other is T, which means the test area. Generally, it is necessary to have red bars in both areas C and T to indicate that it is positive. normal situation.
1. Normal situation: COVID-19 antigen rapid detection test cassettes can detect whether there is a new type of coronavirus infection in the body by detecting saliva. After waiting for 15 minutes, if only a bar appears in the C area, it indicates that the result is negative. The existence of the C area is mainly to show that the test result is valid. Therefore, based on the valid result, there is no bar in the T area, indicating that there is no virus infection in the body or the amount of virus in the body is low and cannot be detected. Can be judged as negative;
2. Abnormal conditions: If the test result shows two bars, which is a positive result, the possibility of a new coronavirus infection in the body is high. However, due to the large production volume of test cassettes, a small number of test cassettes may be unqualified, which will lead to deviations in the results. Therefore, whether there is a bar in the C area is equally important. If there is no bar in the C area, only the T area appears, or wait. After 15-20 minutes, there is no bar in the C area and the T area, indicating that the test is invalid. It is recommended to replace the test cassettes and test again.
Ningbo EKK Technology Company is China test cassettes manufacturers. Our company specializes in various precision medical plastic injection mold designs, and manufacturing and we own the industry's top design level and big production capacity. We have established a close strategic partnership with many IVD biological enterprises, and the products were marketed in China and abroad.