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.

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: international epidemic overview. The data also showed that the five countries with the largest cumulative number of confirmed cases in the past 28 days were Germany, Russia, South Korea, the United States and Brazil.

Normal human pharyngeal isthmus culture should have normal oral flora, without the growth of pathogenic bacteria.