v

districts of Bengal during the year 1908-09—concluded.

PRIMARY VACCINATION.

RE-VACCINATION.

PERCENTAGE OF
SUCCESSFUL CASES
IN WHICH THE
RESULTS WERE
KNOWN.

Persons successfully vaccinated
per 1,000 of population.

PERCENTAGE OF
UNKNOWN CASES
TO TOTAL CASES.

AVERAGE ANNUAL
NUMBER OF PERSONS
SUCCESSFULLY VAC-
CINATED DURING
THE PREVIOUS
FIVE YEARS.

AVERAGE ANNUAL
NUMBER OF DEATHS
FROM SMALL-
POX DURING
THE PREVIOUS
FIVE YEARS.

Successful.

Unknown.

Total.

Successful.

Unknown.

Under one year.

One year and under
six years.

Total of all ages.

Primary.

Re-vaccination.

Primary.

Re-vaccination.

Number.

Ratio per 1,000 of
population.

Number.

Ratio per 1,000 of
population.

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

19,794

13,595

33,932

57

7,107

6,096

367

99.81

90.44

35.04

.16

5.16

44,624

39.07

89

.07

27,092

9,369

36,726

40

5,535

4,711

89

99.87

86.50

35.78

.10

1.60

45,827

39.57

104

.08

3,495

1,484

6,309

262

5,181

3,755

690

96.40

83.61

44.34

3.84

13.31

16,754

27.29

110

.17

10,765

3,005

14,758

260

2,810

2,393

189

98.39

91.30

1.70

6.72

23,710

32,206

56,720

1

6,132

4,927

...

99.83

80.34

48.34

.001

...

49,837

39.08

161

.12

8,498

10,927

19,775

29

2,669

2,119

49

99.63

80.87

36.19

.14

1.83

18,699

30.91

91

.15

2,322

2,599

5,135

6

431

242

14

99.82

58.03

38.11

.11

3.24

4,691

33.25

Not under regis-
tration.

3,495

1,484

6,209

262

5,181

3,755

690

96.40

83.61

40.04

3.84

13.31

180,432

36.56

555

.11

92,181

71,701

167,046

393

24,684

20,488

708

99.68

85.45

.23

2.86

95,676

73,185

173,355

655

29,865

24,243

1,398

99.56

85.16

.37

4.68

47,259

47,963

109,473

4,054

17,369

13,291

1,262

98.05

82.51

36.86

3.50

7.26

1,664,327

34.31

18,286

.37

7,018

19,671

27,542

458

54,403

19,569

7,079

99.26

41.35

1.62

13.01

752,523

738,276

1,561,832

5,301

85,639

56,326

5,794

99.47

70.54

.33

6.76

806,800

805,909

1,698,847

9,813

157,411

89,186

14,135

99.37

62.24

.57

8.97

Not furnished

61,879

54

70,998

58,777

585

91.69

83.47

...

.08

.82

...

...

Not under regis-
tration.

58,001

303

24,391

21,894

250

98.62

90.69

.51

1.02

their figures have been excluded from the Provincial total and shown separately.

                                                                                                                                                                                                                                                                    F. C. CLARKSON, LIEUT.-COL., I.M.S.,

                                                                                                                                                                                                                                                                                        Sanitary Commissioner for Bengal.