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COVID-19 Rapid Test

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The COVID-19 rapid test is also known as an antigen test. Antigens are substances that cause an immune response in the body which triggers the generation of antibodies. These tests use lab-made antibodies to search for antigens from the SARS-CoV-2 virus. The test strip of the rapid test behaves like an antibody and will bind to antigens present in the sample.

The testing process involves a sample collection either via nasal swab or saliva tube. The sample is treated with a liquid, which is than applied to a test strip.

Unlike the COVID-19 PCR Test, antigen tests do not amplify the thing they are looking for. In order for an antigen test to be successful, there needs to be enough antigens present in the sample to trigger a positive result.

 

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