Influenza A Antigen Positive
The test strip indicates a visible reaction line, confirming the presence of the Influenza A virus in the upper respiratory tract.
Description
A nasal or throat swab is taken from the patient and mixed with reagents on a specialized test strip. Developed in the late 20th century to expedite outbreak management, the test yields a colorimetric change if viral antigens are present. It provides actionable results within 10 to 15 minutes.