Linked from
The 12 pages that link to Indoor residual spraying, each with the reason it gives.
MalariaRelated: It targets adult Anopheles mosquitoes inside homes and complements bed nets.
MosquitoRelated: It targets mosquitoes that enter homes and rest on treated walls.
Vector controlRelated: It targets mosquitoes resting on walls after feeding.
InsecticideRelated: It is a major method for suppressing mosquitoes that transmit malaria.
History of malariaRelated: It became a central vector-control method in postwar malaria campaigns.
MosquitoRelated: It targets adult mosquitoes resting on treated walls and ceilings.