Places inspected (with number)

Type of water containers checked for mosquito larvae

Number of containers checked

Number of containers found positive for Aedes aegypti larvae

Relative distribution of containers with Aedes aegypti larvae (%)

Indoor

Outdoor

Indoor

Outdoor

Indoor

Outdoor

Houses (5800)

Masonry tanks

1256

790

10

29

0.79

3.67

Open overhead tanks

0

552

0

78

0

14.13

Flower pots

0

1184

0

38

0

3.20

Sites with seepage water on rooftops

0

369

0

24

0

6.50

Open drains

0

158

0

6

0

3.79

Schools (55), colleges (7), universities (3), medical colleges (5) and hospitals (7)

Discarded items (cups, pots, cans, bottles, etc.)

0

2316

0

238

0

10.27

Open overhead tanks

0

98

0

6

0

6.12

Masonry tanks

32

69

2

9

6.25

13.04

Open drains

0

49

0

5

0

10.20

Under-construction buildings (125)

Drums (PVC)

107

628

9

140

8.41

22.29

Water storage tanks

52

309

5

51

9.61

16.50

Lift-wells

4

56

0

9

0

16.07

Wells

0

21

0

5

0

23.80

Slum clusters (52)

Drums (PVC)

271

1758

11

378

4.05

21.50

Buckets

88

1560

2

79

2.27

5.06

Earthen pitchers

122

1066

0

36

0

3.37

Masonry tanks

92

245

4

28

4.34

11.42

Tin cans

12

158

0

16

0

10.12

Battery shells

29

216

12

191

41.37

88.42

Workshops and garages (8)

Scraps

0

4374

0

479

0

10.95

Old tyres

0

433

0

259

0

59.81

Battery shells

0

98

0

82

0

83.67

Tyre-retreading centres (4)

Old tyres

0

537

0

377

0

70.20

Market places (28)

Discarded items (cups, pots, cans, bottles, etc.)

0

850

0

81

0

9.52

Battery shells

0

367

0

335

0

91.28

Coconut shells

0

164

0

9

0

5.48

Vacant plots (21) in localities

Discarded items (cups, pots, cans, bottles, etc.)

0

23,842

0

3452

0

14.47

Total

17 types

2065

42,267

55

6440

2.66

15.23