Rift Valley Fever Virus Exposure in Northeastern Kenya
Author Information
Author(s): LaBeaud A. Desiree, Muchiri Eric M., Ndzovu Malik, Mwanje Mariam T., Muiruri Samuel, Peters Clarence J., King Charles H.
Primary Institution: Case Western Reserve University Center for Global Health and Diseases
Hypothesis
What are the environmental risk factors and long-term effects of human exposure to Rift Valley fever virus during an interepidemic period?
Conclusion
The study found that older age, male gender, and specific animal exposures are associated with higher rates of Rift Valley fever virus seropositivity in northeastern Kenya.
Supporting Evidence
- RVFV seropositivity was found to be 13% among the study participants.
- Older persons and males had higher rates of seropositivity.
- Disposal of aborted animal fetuses was significantly associated with increased seropositivity.
Takeaway
This study shows that people in rural areas of Kenya who are older and male are more likely to have been exposed to a virus that can cause serious illness.
Methodology
A randomized household cluster survey was conducted in two areas of Ijara District, Kenya, examining rates of previous Rift Valley fever virus exposure.
Potential Biases
Language differences during questioning may have limited accurate data collection.
Limitations
The study's cross-sectional design limits causal conclusions, and recall bias may affect the accuracy of reported exposures.
Participant Demographics
The study sample comprised a locally representative ethnic mix of >99% Somali or Bantu and <1% Indian or other Asian.
Statistical Information
P-Value
p = 0.0001
Confidence Interval
95% CI 9.3–18.1
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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