During the summer 2009 outbreak of 'swine flu' in Scotland what respiratory pathogens were diagnosed as H1N1/2009?
2011

Misdiagnosis of H1N1 During the 2009 Outbreak in Scotland

Sample size: 3247 publication Evidence: moderate

Author Information

Author(s): Gunson Rory N, Carman William F

Primary Institution: West Of Scotland Specialist Virology Centre

Hypothesis

What respiratory pathogens were misdiagnosed as H1N1/2009 during the outbreak?

Conclusion

Clinicians frequently misdiagnosed common respiratory pathogens as H1N1/2009 during the outbreak in Scotland.

Supporting Evidence

  • 27.9% of samples submitted had respiratory pathogens detected.
  • Rhinovirus was the most commonly detected pathogen at 8.9%.
  • Misdiagnosis of H1N1/2009 could lead to unnecessary treatments and public health issues.

Takeaway

Doctors thought many patients had swine flu, but actually, they had other common colds and viruses instead.

Methodology

The study examined 3247 samples from patients clinically diagnosed with H1N1/2009 using real-time RT-PCR assays.

Potential Biases

The majority of samples were negative, which may indicate false negatives due to sampling issues.

Limitations

The study may not represent the general population as certain patient groups may be over-represented.

Participant Demographics

Samples included patients of various ages, with a significant number from the 17-64 age group.

Statistical Information

P-Value

p<0.001

Confidence Interval

95% confidence interval, 26.3-29.5%

Statistical Significance

p<0.001

Digital Object Identifier (DOI)

10.1186/1471-2334-11-192

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