Net wash resistance studies as conducted as part of net quality control assessments to evaluate their durability. Long-lasting insecticide nets are designed and marketed to be effective after several washings. To assess resistance to repeated washing, nets are washed using standard procedures at intervals corresponding to the net regeneration time. To assess efficacy, cone bioassays are conducted after 0, 1, 3, 5, 10, 15, 20, 25 washes up to the number of washes stated by the manufacturer.
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