The iHealth COVID-19 Antigen Rapid Test is an antigen test. When COVID-19 is present in the body, your nasal secretions can also contain the SARS-CoV-2 virus (the virus that causes COVID-19). The iHealth COVID-19 Antigen Rapid Test is able to detect small parts of the SARS-CoV-2 virus, known as N protein or antigens, in your nasal secretions.
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