I purchased the ICheck provided by the "ICheck Project" (SKE48 is the ambassador), which conducts epidemiological surveys using the antigen test kit "ICheck" for the new coronavirus infection, and conducted the antigen test at home. I purchased the ICheck provided by the "ICheck Project" (SKE48 is the ambassador), which conducts epidemiological surveys using the antigen test kit "ICheck" for the new coronavirus infection, and conducted the antigen test at home. The sample is collected from saliva and the test takes 15 minutes.