Risk Factors for Nipah Virus Encephalitis in Bangladesh
Author Information
Author(s): Montgomery Joel M., Hossain Mohamed J., Gurley E., Carroll D.S., Croisier A., Bertherat E., Asgari N., Formenty P., Keeler N., Comer J., Bell M.R., Akram K., Molla A.R., Zaman K., Islam Mohamed R., Wagoner K., Mills J.N., Rollin P.E., Ksiazek T.G., Breiman R.F.
Primary Institution: Centers for Disease Control and Prevention, Atlanta, Georgia, USA
Hypothesis
Is there an association between specific behaviors and the risk of Nipah virus infection among children in Bangladesh?
Conclusion
Tree climbing, a common activity among young boys, was associated with an increased risk for Nipah virus infection.
Supporting Evidence
- Climbing trees was associated with a higher risk of infection (OR 8.2).
- Contact with another NiVE patient significantly increased the odds of infection (OR 21.4).
- Most case-patients were young boys, indicating a potential link between age and risk.
- Proxy interviews were used for deceased patients, which may affect data accuracy.
- None of the controls reported symptoms compatible with NiVE.
Takeaway
The study found that boys who climb trees are more likely to get sick from a virus that comes from bats.
Methodology
A matched case-control study was conducted to identify factors associated with Nipah virus infection.
Potential Biases
Proxy interviews may introduce bias in reporting exposures.
Limitations
The study's power to detect exposure risks was limited by the outbreak size.
Participant Demographics
Most patients were boys under 15 years of age.
Statistical Information
P-Value
<0.001
Confidence Interval
95% CI 1.25–∞
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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