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.

Antigen rapid test: this cheap drug used by Trump may treat the COVID-19. Recently, studies have found that famotidine can regulate immunity, completely eliminate histamine receptor-mediated cytokine production, and also has a broad-spectrum antiviral effect.