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: 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.
Nasal swab collection method: Wet the swab in normal saline. Measure the distance from the nostril to the base of the ear with a swab and mark it with your finger.
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