If pathogenic bacteria are detected in sputum and throat swab secretions, it is regarded as a respiratory infection. It can be combined with other examinations (X-ray fluoroscopy, B-ultrasound, etc.) to diagnose the site of respiratory infection.
In fact, they work differently. Often said nucleic acid testing, mainly refers to the PCR (polymerase chain reaction) test, its essence is a kind of gene amplification technology.
If the antigen test is positive, regardless of whether there are respiratory tract, fever and other symptoms, the residents should immediately report to the community (Village) where they live.
The detection of new coronavirus antigen is carried out on the test strip by antigen and antibody binding reaction, which is convenient and quick. The results can be obtained in 15-20 minutes.
In addition to the nucleic acid detection we are familiar with, there is also a new method called antigen detection.So what is antigen testing? What is the difference between antigen detection and nucleic acid detection?
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The SARS-CoV-2 Rapid Antigen Test is a rapid chromatographic immunoassay for the qualitative detection of specific antigens of SARS-CoV-2 present in the human nasopharynx.
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