Sample required: Nasal swab or a nasopharyngeal swab. A nasal aspirate is also acceptable.
Process:
While procuring a nasal aspirate specimen, a syringe filled with sterile saline is injected into the nasal cavity and gentle pressure is applied to aspirate (the use of suction) the nasal washings. Immediately after procuring the specimen, it is placed into a viral transport media, which preserves the virus.
If a nasopharyngeal swab is performed, then a special swab is inserted into one of the nasal openings. As the swab is inserted deeper into the nasal cavity, it is rotated. This nasal swab, on withdrawal, is placed in a viral transport medium for further processing.
If the testing is done to determine the antibodies developed against the influenza virus, then a blood sample is collected using a needle, inserted into a superficial vein of the arm.
Preparation required: No special preparation is required prior to the test.
The laboratory test results are NOT to be interpreted as results of a "stand-alone" test. The test results have to be interpreted after correlating with suitable clinical findings and additional supplemental tests/information. Your healthcare providers will explain the meaning of your tests results, based on the overall clinical scenario.
Please check back for periodic updates to our ‘physician approved content’.
Certain medications that you may be currently taking may influence the outcome of the test. Hence, it is important to inform your healthcare provider, the complete list of medications (including any herbal supplements) you are currently taking. This will help the healthcare provider interpret your test results more accurately and avoid unnecessary chances of a misdiagnosis.
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