What do you mean by three days and two inspections in Sanya?

Three-day two-time inspection in Sanya refers to two nucleic acid tests within three days (72 hours), and the interval between the two nucleic acid tests is 24 hours.

Specifically, two tests every three days means that according to the clinical diagnosis and treatment guidelines of novel coronavirus, China, if the detected nucleic acid is excluded or cured, the results of the two tests are negative, and the interval between the two tests is one day.

After returning from the province, the examinees and their families should report to their units or communities, conduct nucleic acid testing within 48 hours, and check twice every three days. Do not gather before the negative results come out, do not attend the meeting, do not take the subway bus, do personal protection, and implement 72-hour home management!

Principle of nucleic acid detection

All living things contain nucleic acids, including DNA and RNA. Novel coronavirus is a virus containing only RNA, and the specific RNA sequence in the virus is a sign to distinguish the virus from other pathogens.

After the appearance of novel coronavirus, Chinese scientists completed the analysis of the whole genome sequence of novel coronavirus in a very short time, and found the specific nucleic acid sequence in novel coronavirus by comparing with the genome sequences of other species.

If novel coronavirus's specific nucleic acid sequence can be detected in patients' samples during clinical laboratory testing, it should be suggested that patients may be infected by novel coronavirus.