Testing for Avian Influenza Viruses in Australasia
Author Information
Author(s): Stelzer-Braid Sacha, Escott Ros, Baleriola Cristina, Kirkland Peter, Robertson Peter, Catton Michael, Rawlinson William D.
Primary Institution: Prince of Wales Hospital, Randwick, New South Wales, Australia
Hypothesis
How effective are nucleic acid tests for detecting avian influenza viruses in laboratories across Australasia?
Conclusion
Most laboratories improved their ability to detect avian influenza viruses over time through a quality assurance program.
Supporting Evidence
- Most laboratories were able to correctly detect clinically relevant amounts of influenza virus (H5N1).
- Results improved as each subsequent panel was tested.
- Only 35% of participants correctly identified all samples in the first panel.
- By the third panel, sensitivity of detection improved compared to the second panel.
- Participants were not required to use a certain NAT method.
Takeaway
This study checked how well labs can find bird flu viruses, and they got better at it over time.
Methodology
The study involved distributing panels of avian influenza specimens to participating laboratories and analyzing their detection results.
Potential Biases
Some laboratories reported false positives and confusion regarding terminology.
Limitations
Participants did not disclose their primer/probe sequences, making it hard to recommend the best methods.
Participant Demographics
Participants included 29 laboratories from Australia, Hong Kong, Singapore, New Caledonia, Malaysia, and New Zealand.
Digital Object Identifier (DOI)
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