On April 1, the State Food and Drug Administration approved the listing of two covid-19 virus antigen detection reagents (see the figure below). Covid-19 virus antigen detection reagent is applicable to the population specified in covid-19 virus antigen detection application scheme (Trial) (joint prevention and control mechanism Zongfa [2022] No. 21). At present, the State Food and drug administration has approved 23 covid-19 virus antigen detection reagents.