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Table 2 Malaria incidence by active fortnightly surveillance of fever cases in the study villages

From: Additional burden of asymptomatic and sub-patent malaria infections during low transmission season in forested tribal villages in Chhattisgarh, India

Village

Hichka

Kothodi

Khalebedi

Method of detection

Month

BSC

TP

SPR

BSC

TP

SPR

BSC

TP

SPR

May-15

1

0

0

2

2

100

2

0

0

Fortnight surveillance

June-15

1

1

100

1

1

100

0

0

0

Fortnight surveillance

July-15

2

2

100

0

0

0

4

2

50

Fortnight surveillance

August-15

3

0

0

2

1

50

7

1

14.3

Fortnight surveillance

September-15

4

0

0

0

0

0

7

1

14.3

Fortnight surveillance

October-15

4

0

0

3

0

0

2

0

0

Fortnight surveillance

November-15

3

0

0

6

3

50

3

0

0

Fortnight surveillance

December-15

80

11

13.8

75

34

45.3

80

7

8.6

Cross sectional survey

January-16

5

1

20

2

1

50

4

0

0

Fortnight surveillance

February-16

6

0

0

3

0

0

4

0

0

Fortnight surveillance

March-16

3

0

0

2

1

50

4

0

0

Fortnight surveillance

April-16

5

0

0

4

2

50

9

4

44.4

Fortnight surveillance

Total

117

15

12.8

100

45

45

126

15

11.9

Fortnight surveillance

  1. API annual parasite incidence, SPR slide positivity rate, BSC blood slide collection, TP total positive cases