High Burden of Non-Influenza Viruses in Influenza-Like Illness in France
Author Information
Author(s): Schnepf Nathalie, Resche-Rigon Matthieu, Chaillon Antoine, Scemla Anne, Gras Guillaume, Semoun Oren, Taboulet Pierre, Molina Jean-Michel, Simon François, Goudeau Alain, LeGoff Jérôme
Primary Institution: Université Paris Diderot, Sorbonne Paris Cité
Hypothesis
What are the different pathogens involved in influenza-like illness during the early weeks of the H1N1v epidemic in France?
Conclusion
The study found a high frequency of non-influenza viruses involved in influenza-like illness during the pre-epidemic period of a flu alert.
Supporting Evidence
- 68 samples (16.5%) were positive for H1N1v.
- 213 (61.9%) of H1N1v negative samples were positive for other respiratory agents.
- The most prevalent virus in H1N1v negative samples was rhinovirus (62.6%).
- 70.6% of H1N1v cases were in patients under 40 years old.
Takeaway
Many people with flu-like symptoms actually have other viruses, not just the flu. It's important to test for all kinds of viruses to help doctors treat patients better.
Methodology
The study used real-time RT-PCR and multiplex assays to detect respiratory viruses in patients with influenza-like illness.
Potential Biases
Potential bias due to the reliance on clinical observations and the limited use of molecular tools.
Limitations
The study did not include patients who were not tested for H1N1v, which may have affected the understanding of symptoms.
Participant Demographics
The study included both adult and pediatric patients, with a significant portion under 40 years old.
Statistical Information
P-Value
p<10−4
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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