learned:
According to Xinhua News Agency , in order to further optimize the new coronavirus detection strategy and do a good job in prevention and control, the Comprehensive Group of the State Council’s Joint Prevention and Control Mechanism recently issued the "Application Plan for the New Coronavirus Antigen Detection" and other documents. After
is infected with Omickron , how long will it take to detect antigen ? What should I do if the antigen is "positive"?
Focusing on hot issues of public concern, The State Council’s Joint Prevention and Control Mechanism relevant experts gave professional answers.
1 How long will it take to detect antigen after infection with Omickron?
Answer: Antigen detection is faster and more convenient to operate. However, antigens can usually be detected until the virus replicates to a higher level and the infected person has a high detoxification.
In the early stage, even if the infected person has some mild symptoms, the antigen test may not be positive due to the low viral load. According to Omickron's incubation period, can generally be detected 2 to 3 days after infection. Some infected people in , especially those in asymptomatic infected people, , may take 5 days or even longer to detect them due to the continued low viral load.
2 The antigen test shows negative, does it mean that there is no infection?
Answer: If the virus has not been replicated or excreted in the body, and cannot achieve the sensitivity of antigen detection, the result will show that negative is. , so some people have been infected and even have some mild symptoms, but the antigen test still shows negative. However, usually has a low viral load at this time and is weak infectious.
antigen detection does not require "two tests per day" or "three tests per day". If necessary, test it once a day.
3 Why do some people have positive antigen but negative nucleic acid?
Answer: The sensitivity of the two detection methods is different, and the sampling operation is not necessarily standard, may have results such as " false positive " or "false negative". Generally speaking, nucleic acid detection rate is higher in .
If the symptoms of home-based treatment personnel improve significantly or have no obvious symptoms, the self-test antigen is negative and the nucleic acid test is negative twice in succession (Ct value ≥35, the interval between the two tests is greater than 24 hours), home treatment can be ended, normal life and going out.
4 What should I do if the antigen test is positive?
Answer: If the antigen test is positive, has no symptoms or mild symptoms, be isolated and treated at home. will follow the medication guidelines of , , and select appropriate drugs for treatment. When the symptoms worsen, will go to the fever clinic (clinic) of the medical and health institution in time for treatment. (list of 437 fever clinics in Tongzhou)
If the antigen test is positive, the elderly should also choose the drug under the guidance of medical staff. When the symptoms of worsen, go to , tertiary hospital for treatment in time.
In addition, if the antigen test is positive, the results will be reported to the primary medical and health institutions as required.
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Content comes from Xinhua News Agency
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