Time of exposure and assessment influence the mortality induced by insecticides against metabolic resistant mosquitoes.

"Declarations Ethics approval and consent to participateNo human volunteer was recruited for the study. Technicians that reared mosquitoes and tested the insecticides in this study were trained and provided with necessary personal protection equipment. The approval to conduct the study was sought from the Ifakara Health Institute-Institutional Review Board (IHI/IRB/No: 19-2020), National Institute for Medical Research Tanzania (NIMR), Tanzania (NIMR/HQ/R.8a/Vol.IX/3473) and London School of Hygiene and Tropical Medicine (LSHTM) Observational/Interventions Research Ethics Committee (21639-1). Consent for publicationPermission to publish was granted by NIMR, Tanzania, referenced BD.242/437/01B/6. Competing interestsOGO, SN, AB, IM, JBM and SJM test vector control tools for private and public companies including Moon Netting. RB works for Moon Netting, and OS consults on design of vector control tools for private and public companies including Moon Netting. All authors declare no conflict of interest. Competing interests OGO, SN, AB, IM, JBM and SJM test vector control tools for private and public companies including Moon Netting. RB works for Moon Netting, and OS consults on design of vector control tools for private and public companies including Moon Netting. All authors declare no conflict of interest."

"Funding The study is funded by the United Kingdom Medical Research Council Joint Global Health Trials (grant number: MR/T0036771 & EPIDZR44)."