Chikungunya Virus Infection in Mayotte: A Population-Based Survey
Author Information
Author(s): Sissoko Daouda, Moendandze Amrat, Malvy Denis, Giry Claude, Ezzedine Khaled, Solet Jean Louis, Pierre Vincent
Primary Institution: Institut de veille sanitaire, Cellule Interrégionale d'Epidémiologie Réunion et Mayotte, Saint-Denis, La Réunion, France
Hypothesis
What are the seroprevalence and risk factors associated with Chikungunya virus infection in Mayotte?
Conclusion
About 37.2% of the population in Mayotte was infected with Chikungunya virus, with significant associations found between infection and factors like low socioeconomic status and makeshift housing.
Supporting Evidence
- 37.2% of the population in Mayotte was found to be seropositive for Chikungunya virus.
- 72.3% of seropositive participants reported symptoms consistent with Chikungunya infection.
- Risk factors for infection included male gender, low socioeconomic index, and living in makeshift housing.
Takeaway
In Mayotte, many people got sick from a virus called Chikungunya, especially those living in poor conditions. This shows that where you live can affect your health.
Methodology
A household-based cross-sectional serosurvey was conducted using complex multistage cluster sampling to assess seroprevalence and risk factors.
Potential Biases
Potential misclassification of symptomatic cases due to reliance on participant self-reporting.
Limitations
Self-reported symptoms may lead to recall bias, and the socioeconomic status index may not be applicable in other contexts.
Participant Demographics
The sample included 58.8% females and 41.2% males, with a majority having low education levels.
Statistical Information
P-Value
0.03
Confidence Interval
95% CI 33.9–40.5
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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