Rapid antigen detection is imminent: the cumulative number of confirmed cases of new crown in Vietnam exceeds 4 million. The new crown epidemic in Vietnam has recently rebounded again, and the number of confirmed cases in some areas has continued to rise. The capital Hanoi reported 21,395 new confirmed cases on the same day, a new high.

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.