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Table 3 Mortality rates of An. gambiae after exposure on nets repeatedly washed and dried using 4 different drying regimens

From: Wash durability and optimal drying regimen of four brands of long-lasting insecticide-treated nets after repeated washing under tropical conditions

Net type/Drying regimen Number of washes
Olyset W = 0 W = 5 W = 10 W = 15 W = 20
Sun/Hang 100 40 0 0 0
Sun/Ground 100 43 5 0 0
Shade/Ground 100 45 5 0 0
Shade/Hang 100 43 0 0 0
PermaNet      
Sun/Hang 100 93 78 45 30
Sun/Ground 100 83 80 43 28
Shade/Ground 100 83 80 65 60
Shade/Hang 100 93 90 85 70
BASF      
Sun/Hang 100 55 43 40 23
Sun/Ground 100 50 35 20 20
Shade/Ground 100 63 55 30 20
Shade/Hang 100 75 65 50 40
TNT      
Sun/Hang 100 45 35 30 20
Sun/Ground 100 53 50 25 15
Shade/Ground 100 58 40 34 28
Shade/Hang 100 53 40 23 15
  1. Nets were washed by hand only. Mortality was measured using the standard WHO recommended 3 minutes cone bioassay test on a susceptible strain of An. gambiae ss.