COVID - 19 testing: Omicron is expected to end the epidemic. A number of new studies have shown that although the COVID-19 mutated Omicron strain is spreading around the world like wildfire, it seems to be far less serious than initially feared.

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.