Indoor residual spraying for preventing malaria in communities using insecticide‐treated nets
Reference:
Cochrane Database of Systematic Reviews 2019, Issue 5. Art. No.: CD012688
Two review authors independently assessed trials for eligibility, analyzed risk of bias, and extracted data. We used risk ratio (RR) and 95% confidence intervals (CI). We stratified by type of insecticide: ‘non‐pyrethroid‐like', as this could improve malaria control better than adding IRS insecticides that have the same way of working as the insecticide on ITNs (‘pyrethroid‐like'). We used subgroup analysis of ITN usage in the trials to explore heterogeneity. We assessed the certainty of evidence using the GRADE approach.
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Current malaria vector control relies almost exclusively on killing adult mosquitoes with chemical insecticides deployed as either insecticide-treated nets (ITNs) or indoor residual sprays (IRS). 
A study was undertaken to assess the influence of breeding sites physicochemical parameters on malaria vectors population tolerance to insecticides. 