Survivorship of Anopheles darlingi (Diptera: Culicidae) in Relation with Malaria Incidence in the Brazilian Amazon
2011

Mosquito Survivorship and Malaria in the Amazon

Sample size: 2193 publication 10 minutes Evidence: high

Author Information

Author(s): Fábio Saito Monteiro de Barros, Honório Nildimar Alves, Arruda Mércia Eliane

Primary Institution: Universidade Federal de Pernambuco

Hypothesis

The survival rates of Anopheles darlingi mosquitoes are correlated with malaria incidence in the Brazilian Amazon.

Conclusion

Higher survival rates of Anopheles darlingi during the dry season are associated with increased malaria incidence.

Supporting Evidence

  • Survival rates of Anopheles darlingi were higher in the dry season compared to the rainy season.
  • Daily survival rates were statistically significant in relation to malaria incidence.
  • Mathematical modeling indicated that Plasmodium falciparum and Plasmodium malariae were more vulnerable to changes in mosquito survival rates.

Takeaway

This study found that mosquitoes that live longer can spread more malaria, especially when it's dry outside.

Methodology

A longitudinal study was conducted to assess the survival rates of Anopheles darlingi and their correlation with malaria incidence.

Potential Biases

Possible bias due to the proximity of larval habitats and the influence of environmental factors on mosquito survival.

Limitations

The study was limited by the retrospective collection of malaria data and potential biases in mosquito collection methods.

Participant Demographics

The study focused on Anopheles darlingi mosquitoes in an agricultural settlement in the Brazilian Amazon.

Statistical Information

P-Value

p<0.05

Confidence Interval

95% CI

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1371/journal.pone.0022388

Want to read the original?

Access the complete publication on the publisher's website

View Original Publication