Efficacy of Actellic 300 CS-based indoor residual spraying on key entomological indicators of malaria transmission in Alibori and Donga, two regions of northern Benin

Table 7 Indoor density of An. gambiae (s.l.) in IRS and control areas

Period	Area	No. of rooms	No. collected	Density/room	P-value
Before IRS (June–October 2016)	Baseline	610	1001	1.64	< 0.0001
After 1st round of IRS (June–October 2017)	After IRS areas	673	273	0.41	< 0.0001
After 1st round of IRS (June–September 2017)	After IRS areas	551	208	0.38	< 0.0001
After 1st round of IRS (June–September 2017)	Control areas	160	244	1.53	< 0.0001
After 2nd round of IRS (June–August 2018)	After IRS areas	242	117	0.48	< 0.0001
After 2nd round of IRS (June–August 2018)	Control areas	88	155	1.76	< 0.0001

ISSN: 1756-3305