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
95.3
Smooth
98.7
99.3
82
Rough
96.7
87.5
78.3
72.5