Influenza A/B Antigen Rapid Test Cassette

Detect Influenza A/B from one swab sample

SureScreen Diagnostic’s Flu A/B Antigen Combo Rapid Test Cassette (Nasal Swab) is a lateral flow chromatographic immunoassay single-use test kit intended for the qualitative detection of Flu A/B Antigens from anterior nasal swab specimens.

For professional use only

Directions for use

Allow the test, specimen and extraction buffer to equilibrate to room temperature (15-30℃) prior to testing. Remove the test cassette from the sealed foil pouch and use it within one hour. Best results will be obtained if the assay is performed immediately after opening the foil pouch.

Place the swab specimen in the extraction buffer tube

Tear off the aluminium foil on the extraction buffer tube. Place the swab specimen in the extraction buffer tube. Rotate the swab for approximately 10 seconds while pressing the head against the inside of the extraction buffer tube body to release the antigen in the swab.

Leave the swab head in the vial

Slightly lift the nasal swab then break the swab on the “break point” position. Leave the swab head in the sample collection vial and dispose of swab handle in accordance with your biohazard waste disposal protocol.

Transfer 3 drops of the sample solution

Fit the dropper tip on top of the extraction buffer tube. Place the test cassette on a clean and flat surface. Do not move the test cassette during the test. Hold the dropper vertically and transfer 3 drops of the sample solution (approx.80μL) to both sample wells and then start the timer. Read the result at 10 minutes. Do not interpret the result after 20 minutes

Results: Positive

A coloured line appears in the Control region (C) and coloured line(s) appears in the Test region (A and/or B). A positive result in the Influenza A region indicates that Influenza A antigen was detected in the specimen, a positive result in the Influenza B region indicates that Influenza B antigen was detected in the specimen. The result should be considered positive whenever there is even a faint line.

Results: Negative

One coloured line appears in the control line region (C). No line appears in the test line region (A and B). A negative result indicates that Influenza A&B antigens are not present in the specimen, or is present below the detectable level of the test.

Results: Invalid

Control line fails to appear. Insufficient specimen volume or incorrect procedural techniques are the most likely reasons for control line failure. Review the procedure and repeat the test with a new test. If the problem persists, discontinue using the test kit immediately and contact your local distributor.

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