Can blood tests detect influenza?
Similarly, if an individual presents with flu symptoms plus other symptoms during the flu season, a blood test for influenza can be used to help determine whether some, all, or none of the patient’s symptoms are due to the influenza virus.
What is influenza blood test?
Influenza (the flu) is a common viral respiratory infection that causes an illness ranging from mild to severe, and sometimes can be fatal. Influenza testing detects the presence of the virus in a sample of respiratory secretions.
What type of test is used to detect influenza?
Diagnostic tests available for detection of influenza viruses in respiratory specimens include molecular assays (including rapid molecular assays, reverse transcription polymerase chain reaction (RT-PCR) and other nucleic acid amplification tests); and antigen detection tests (including rapid influenza diagnostic tests …
Where do you swab for flu?
An NP swab collection for influenza is best performed by following these steps: Choose a swab with a flexible plastic handle and flock tip, such as Puritan’s 25-3317-U. Insert swab into one nostril straight back (not upwards) and horizontally to the nasopharynx up to the measured distance on the swab handle.
What is influenza rapid test?
Rapid influenza diagnostic test. A rapid influenza diagnostic test (RIDT) tells whether a person has a current influenza infection by detecting the influenza viral nucleoprotein antigen. Commercially available RIDTs can provide results within 30 minutes. These results can be observed by a color change or other visual signals.
What is a flu test kit?
Influenza A & B test kit is an in vitro immunochromatographic assay for the qualitative detection of influenza A and B nucleoprotein antigens in NP swabs and nasal wash/aspirate specimens. It is intended to aid in the rapid differential diagnosis of influenza A and B viral infections.