Swab antigen dan rapid antigen: Clouds and Doubts of "COVID-19 Sequelae"The COVID-19 epidemic has entered its third year. It is conservatively estimated that more than 500 million people have been infected by the SARS-CoV-2 virus worldwide.
This is the latest major move in America's fight against Omicron. The Biden administration has promised to distribute 500 million free quick home tests to Americans starting in January, with four free opportunities for each family.
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