Nine points for attention in Beijing antigen testing (what are the nine points for attention in Beijing antigen testing)

Nine points for attention in antigen detection

How long can I detect the antigen after Omicron infection?

A: Antigen detection can only be detected when the virus replicates to a high level and the amount of detoxification of infected people is high.

According to Omicron's estimation of incubation period, infection can be detected 2 to 3 days after infection. Some infected people, especially asymptomatic infected people, may take 5 days or more to be detected.

_ How can I buy an antigen test kit in Beijing? What should I pay attention to when shopping?

1, online platform purchase

Online platforms such as Suning.cn, JD.COM, Meituan and Taobao can be purchased.

2. Offline purchase

Retail pharmacies in all regions:

3. Precautions for purchase:

Check the production date and expiration date.

Check whether there is a medical device registration certificate number and a complete UDI code approved by the State Medical Device Administration.

Check whether the product composition completely includes:

Reagent plate, lysate, disposable sampling swab, instruction manual, sealed bag.

_ When do I need an antigen test? How to upload results

1, antigen detection is generally used for sample detection in acute infection period, that is, within 7 days after symptoms appear in suspected population.

When flu symptoms are found, such as fever, dry cough, muscle aches, etc. , you can perform self-test and screening.

The positive result of antigen can be used for early triage and rapid management of suspected population, but it cannot be used as the basis for diagnosis of COVID-19 infection.

2. Beijing antigen self-test results upload: Beijing antigen applet

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_ Do I have to use a nasal swab for antigen testing?

A: Under normal circumstances, it is more accurate to take a nasal swab for antigen detection.

_ Age: 14 years old or older: nasal swab sampling can be done by yourself.

_ Age: 2- 14 years old: Self-examination is conducted by other adults.

Sampling methods for antigen detection include:

Before sampling, wipe your nose with a tissue, raise your head slightly, hold the tail of a nasal swab and insert it into a nostril. After going deep 1- 1.5 cm along the nasal passage, rotate the cotton swab against the nasal cavity for at least four times, and stay for more than 15 seconds, and then repeat the above operation in the other nasal cavity with the same cotton swab. Be careful not to contaminate the swab head, otherwise the result may be affected.

_ What should a family pay attention to when doing antigen testing?

A: Click to view:

_ How to help disabled families and babies do antigen testing?

Disabled family members: Testing disabled family members is not recommended unless necessary. During the test, two people cooperated to lift the disabled patients at home to the sitting position, then one person ensured the head was fixed and the other person collected nasal swabs.

Infants and young children: If the child shows resistance to the testing behavior, you can give him some videos or pictures to explain in advance to dispel his fears and improve his cooperation.

_ Does negative antigen test mean that there is no infection?

Because the virus does not replicate and excrete in the body, it cannot reach the sensitivity of antigen detection, so some people have been infected and even have some mild symptoms, but the antigen detection still shows negative.

The antigen test does not need to be done more than once a day. If necessary, you can do it once a day.

_ Why are some antigen-positive nucleic acids negative?

Generally speaking, the accuracy of nucleic acid detection is higher.

If the symptoms of the family therapist are obviously improved or have no obvious symptoms, the self-test antigen is negative, and the nucleic acid test is negative twice in a row, family therapy can be ended and normal life can be resumed.

_ What if the antigen test is positive?

1, no symptoms or mild symptoms, home isolation treatment;

2. When the symptoms get worse, go to the fever clinic of medical and health institutions in time.

3. In addition, if the antigen test is positive, report the results to the primary medical and health institutions as required.