Biocredit swab antigen: Scientists begin research on blood type and severity of COVID-19 infection According to research, people with blood type A have a higher positive rate for the SARS-CoV-2 virus, so scientists believe it is necessary to investigate this blood type.
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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