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Table 2 Human biting rate (HBR) and entomological inoculation rate (EIR) observed in Anopheles gambiae during the indoor residual spraying period in the treated and control areas, Oueme, 2010

From: Six years of experience in entomological surveillance of indoor residual spraying against malaria transmission in Benin: lessons learned, challenges and outlooks

Locations

Parameters

April (IRS)

May

June

July

August (IRS)

September

October

November

December

Total

EIR (ib/m/year)

 

n

5

3

4

7

2

0

5

7

0

33

12.91

 

man night

4

8

8

8

4

4

8

8

4

56

Adjohoun

HBR (b/m/night)

1.25

0.38

0.50

0.88

0.50

0

0.63

0.88

0

0.59

 

IS

0.20

0.33

0

0

0

-

0

0

-

0.06

 

EIR (ib/m/night)

0.25

0.13

0

0

0

-

0

0

-

0.04

 

n

2

19

77

8

0

1

11

3

1

122

23.86

 

man night

4

8

8

8

4

4

8

8

4

56

Dangbo

HBR

0.50

2.38

9.63

1.00

0

0.25

1.38

0.38

0.25

2.18

 

IS

0

0.05

0.03

0

-

0

0.09

0

0

0.03

 

EIR/night

0

0.13

0.25

0

-

0

0.13

0

0

0.07

 

n

6

11

24

15

2

3

17

14

1

93

6.06

 

man night

4

8

8

8

4

4

8

8

4

56

Missérété

HBR

1.50

1.38

3.00

1.88

0.50

0.75

2.13

1.75

0.25

1.66

 

Is

0

0.09

0

0

0

0

0

0

0

0.01

 

EIR/night

0

0.13

0

0

0

0

0

0

0

0.02

 

n

21

163

262

278

29

6

71

16

0

846

55.14

 

man night

4

8

8

8

4

4

8

8

4

56

Sémé

HBR

5.25

20.38

32.75

34.75

7.25

1.50

8.88

2.00

0

15.11

 

IS

0.10

0.02

0

0

0

0

0

0

-

0.01

 

EIR/night

0.50

0.46

0

0

0

0

0

0

-

0.15

 

n

35

212

473

397

215

51

132

58

7

1580

926.84

 

man night

4

8

8

8

4

4

8

8

4

56

Control (Adjara)

HBR

8.75

26.50

59.13

49.63

53.75

12.75

16.50

7.25

1.75

28.21

 

IS

0.09

0.12

0.10

0.11

0.05

0.09

0.11

0.09

0

0.09

 

EIR/night

0.75

3.08

5.63

5.64

2.44

1.13

1.88

0.63

0

2.54

  1. IS: sporozoitic index