Efficacy of long-lasting insecticidal nets in use in Macha, Zambia, against the local Anopheles arabiensis population
2011

Effectiveness of Insecticide-Treated Nets in Zambia

Sample size: 19 publication 10 minutes Evidence: moderate

Author Information

Author(s): Laura C Norris, Douglas E Norris

Primary Institution: Johns Hopkins Bloomberg School of Public Health

Hypothesis

Are long-lasting insecticide-treated nets effective against Anopheles arabiensis in Macha, Zambia?

Conclusion

Proper care of long-lasting insecticide-treated nets is crucial for their effectiveness against malaria-carrying mosquitoes.

Supporting Evidence

  • Low levels of resistance to DDT and deltamethrin were detected in the local mosquito population.
  • Mortality rates in bioassays were correlated with the residual deltamethrin concentration in the nets.
  • Proper care of LLINs significantly influenced their effectiveness.

Takeaway

This study shows that taking care of mosquito nets helps keep them effective at stopping malaria, even after two years of use.

Methodology

The study involved testing mosquito resistance to insecticides and evaluating the quality and effectiveness of long-lasting insecticide-treated nets.

Potential Biases

Potential biases may arise from self-reported data on net usage and care.

Limitations

The study's findings may not be generalizable to other regions due to local variations in mosquito behavior and net usage.

Participant Demographics

Participants were primarily subsistence farmers living in village areas in Macha, Zambia.

Statistical Information

P-Value

p<0.0001

Statistical Significance

p<0.0001

Digital Object Identifier (DOI)

10.1186/1475-2875-10-254

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