From: Wall-type and indoor residual spraying application quality affect the residual efficacy of indoor residual spray against wild malaria vector in southwest Ethiopia
Wall types
Time in weeks
Day 1
Week 1
Week 5*
Week 9*
Week 13*
Week 17*
Painted
100
82.7
Smooth
84
71.3
82
48.7
Rough
87.5
78.3
68.3
60