Aauto Quicker's collar antigen is fake. According to relevant data, criminals publicize antigens through Tik Tok and Ato Express. , and added the so-called online hawking to the buyer's WeChat friends. After receiving the money, they blackmailed the victim to commit fraud. Many people in Huzhou, Ningbo have been fooled. COVID-19 antigen test kit is a self-test kit for detecting whether COVID-19 antigen is positive or not.