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How to perform an antigen test?

What is a rapid antigen test?

It is a rapid swab test that directly detects the presence or absence of coronavirus antigen in the patient’s body. The newest antigen tests show results within only 10 minutes. Antigen tests are currently authorized to be performed on nasopharyngeal or nasal swab specimens placed directly into the assay’s extraction buffer or reagent.

What is the accuracy of the test?

According to the Center for Disease Control and Prevention, the specificity of rapid antigen tests is generally as high as RT-PCR (molecular) – the first antigen tests that have received FDA EUAs have reported specificity of 100% – which means that false positive results are unlikely.

Also, antigen tests demonstrate sensitivity up to 96.7%, which is the closest to the molecular tests.

How to perform an antigen test?

Microbiology and Infectious Diseases Consultant, Dr. J. Lambourne clearly and easily demonstrates how to perform an antigen test. Click here to see the video, provided by the National Health Center.