In fact, COVID-19 cases in the United States are more than 90% who have not received any virus tests. The main reason is that nucleic acid detection and antibody detection can not provide fast and accurate COVID-19 detection results in the early stage of virus infection.

COVID-19 Total Antibodies Rapid Test: Israel starts the fourth dose of vaccination. At a press conference held on Tuesday, Israeli Prime Minister Bennett quoted the country’s preliminary research results as saying that a fourth dose of Pfizer’s new crown vaccine can help test participants’ antibody counts increase by 5 times.

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With the end of the Christmas and New Year holidays, Omicron infections have shown an "explosive" increase in European and American countries, once again disrupting people's daily lives. However, in the face of this "unprecedented epidemic tsunami", some experts said, "If everyone you know is now infected with the Covid-19 virus.

Since the outbreak of COVID-19, virus nucleic acid detection and antibody detection methods have been widely applied, and to a certain extent, contain the spread of the virus. However, according to the disclosure of the CDC at home and abroad, most virus carriers were not identified in time in the early stage of infection.