How long does the COVID-19 self-test box have invalid results?
It depends on the product type. /kloc-Some results over 0/5 minutes are invalid, and some results over 20 minutes are invalid. The detection efficiency of each COVID-19 self-test box is different.
The antigen detection is convenient and the cost is low, so it can be sampled at home. 15-20 minutes. Coupled with family isolation, the risk of mobile communication can be greatly reduced. With Omicron's "moderate" attack, this "family self-examination+family isolation" model has become more mature. In addition, European countries, Australia, Japan, India, Indonesia, Australia and Israel have promoted or are promoting antigen testing in China, and Britain, Singapore, Brazil, France and Italy have taken antigen testing results as one of the admission criteria.
This convenient and quick self-check method can alleviate the trouble of residents doing nucleic acid at high frequency. International students should pay attention to epidemic prevention and control to protect their own safety, both at home and abroad.
Who is the COVID-19 self-test box suitable for?
1.5 days, people with fever, cough, respiratory tract, fever and other symptoms; The first choice for nucleic acid detection in primary medical institutions such as community hospitals.
2. Isolated observers, including home isolated observers, close contacts and sub-close contacts, entry isolated observers, closed control area personnel and control area personnel.
3. Community residents who need antigen self-test. If there is no qualification for nucleic acid testing, you can re-select nucleic acid testing. For antigen-positive personnel, primary medical and health institutions should immediately report to the disease control department under their jurisdiction, and the emergency center will transfer the antigen-positive personnel to medical institutions with fever clinics for nucleic acid detection according to the guidelines for the transfer of personnel related to the COVID-19 epidemic.
How to use COVID-19 self-test box?
COVID-19's antigen test is based on nasal swab sampling. /kloc-nasal swab sampling can be taken by people over 0/4 years old. 2 years old to 14 years old should be sampled by other adults.
1, first blow your nose with toilet paper;
2. Carefully unpack the outer package of the nasal swab, and be careful not to touch the swab head;
3. Tilt the head slightly, insert the nasal swab from 1 into the nostril to 1.5cm, rotate it for at least 4 times (the residence time is not less than 15s), then insert the same swab into the other nostril and repeat the operation;
4. Open the sampling tube, put in a cotton swab, press the tube wall hard, rotate the cotton swab 15 seconds, and transfer the sample into the liquid;
5. Take out the test card, drop two drops of extract into the S hole, and wait for 15 minutes to check the results.