Impact of Urban Agriculture on Malaria Vectors in Accra, Ghana
Author Information
Author(s): Klinkenberg Eveline, McCall PJ, Wilson Michael D, Amerasinghe Felix P, Donnelly Martin J
Primary Institution: International Water Management Institute (IWMI), West Africa Office, Ghana
Hypothesis
Does urban agriculture increase malaria transmission risk in urban Accra?
Conclusion
Urban agriculture is associated with higher malaria transmission rates in Accra, Ghana.
Supporting Evidence
- Anopheles mosquitoes were found breeding in urban agricultural sites.
- Outdoor biting rates were significantly higher in areas near agriculture.
- The annual Entomological Inoculation Rate was higher in urban agricultural areas.
- Host-seeking activity of mosquitoes peaked between 2–3 am.
- Resistance to insecticides was observed in Anopheles populations.
Takeaway
Farming in cities can lead to more mosquitoes and more malaria, especially in areas where people grow food.
Methodology
The study involved entomological surveys and epidemiological surveys in urban communities categorized by proximity to agricultural sites.
Potential Biases
Potential bias in community selection and mosquito collection methods.
Limitations
The study may not account for all factors influencing malaria transmission, as some communities far from agriculture also had high malaria prevalence.
Participant Demographics
The study focused on urban communities in Accra, Ghana, particularly children in these areas.
Statistical Information
P-Value
0.017
Confidence Interval
95%
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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