​The WHO stated that Omicron mainly infects the upper respiratory tract and the symptoms are relatively mild. The American medical community believes that the COVID-19 will eventually become flu, and people should live with the virus, but at the same time a new variant of the virus has been discovered in France.

Total Antibodies Rapid Test: Omicron may rule the world. WHO data shows that as of December 22, the Omicron strain has spread to 110 countries and regions around the world.

The PCR laboratory is also called the gene amplification laboratory. PCR is the abbreviation for Polymerase Chain Reaction. It is a molecular biology technique used to amplify specific DNA fragments, which can be regarded as a special DNA replication in vitro.