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Table 5 Human-biting rate, sporozoite index and entomological inoculation rate in Alibori and Donga regions (IRS areas) before and after the first round of IRS 2017

From: 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

Region

Variable

Before IRS (June–October 2016)

After 1st round of IRS (June–October 2017)

Reduction (%)

IRS areas (Alibori, Donga)

HBR/night

8.43

7.37

–

SI (%)

8.4

1.2

85.71

EIR (ib/person/night)

0.707

0.09

–

EIR (ib/person/month)

21.21

2.7

87.27

  1. Abbreviations: SI, sporozoite index; HBR, human-biting rate; EIR, entomological inoculating rate; ib, infected bite