3
11. Diagram illustrating death-rates from small-pox and degree of
protection afforded.—The diagram facing this page illustrates the death-
rates from small-pox in each district, the proportion of population protected
against the disease by vaccination during the past seven years being shown
side by side.
12. Deaths from small-pox.—During 1912-13 the total number of deaths
from small-pox in this Presidency was 9,684, showing a ratio of '21 per mille of
the population, as compared with 6,674 and .14 in 1911-12. The largest
number of deaths was recorded in the districts of Mymensingh (3,098),
Dacca (2,510), Tipperah (1,603), Chittagong (776), Faridpur (290), Hughli
(139), Burdwan (133) and Dinajpur (129) ; while the districts of Khulna,
Bogra and Jalpaiguri show only 2, 4 and 12 deaths, respectively. There
was no death from this cause in the district of Darjeeling.
13. Animal Vaccination Depôt.—Altogether 2,253, against 1973, calves
were vaccinated in the Calcutta Animal Vaccination Depôt during the year,
and the quantity of lymph manufactured was 675,228, against 568,113, grains.
Pending the starting of an Animal Vaccination Depôt in the Province of
Bihar and Orissa, the districts in that Province received their supply of
lymph from the Calcutta Depôt, while the districts of Eastern Bengal got
theirs from the Shillong Animal Vaccination Depôt.
14. Different methods of vaccination.—During the year under report
26,347 primary operations were performed with lymph direct from calves,
619,948 with lanoline lymph, 1,139,989 with glycerinated lymph manu-
factured at the Shillong Animal Vaccination Depôt, and 859 by the arm-
to-arm method, the corresponding figures for the preceding year being
17,689, 635,651, 1,135,619 and nil, respectively ; the ratio per cent. of success
under each of these methods of vaccination was 98.51, 98.19, 97.28 and 90.10,
against 99.81, 98.39, 96.75 and nil, respectively, of the previous year. The
number of re-vaccinations under each of these processes of vaccination was
11,993, 48,687, 136,189 and 387, with a success of 44.78, 43.54, 62.55 and
77.51 per cent., as compared with 2,869, 36,031, 96,187 and 207 operations,
with a success of 54.13, 44.50, 63.68 and 50.24, respectively, during the
previous year.
15. Inspections.—During 1912-13 Captain A. M. Jukes, I.M.S., Deputy
Sanitary Commissioner, Presidency Circle, inspected 29,270 operations in the
Presidency and Burdwan Circles. The Civil Surgeons saw 80,170, or 4.06
per cent., of the total operations performed in the Province. Two of them.
viz., the Civil Surgeons of Midnapur and Noakhali. saw over 10,000
operations each, one from 5,000 to 10,000; 10 from 2,000 to 5,000 ; 6 from
1.000 to 2,000 ; and 8 below 1,000 cases. No return was received from the
Civil Surgeon of Bakarganj as to the number of cases seen by him.
The vaccination inspectors and sub-inspectors inspected 1,628,689 cases,
or 82.67 per cent., of the total operations performed in the Province. No fixed
percentage of inspection is now insisted on in the case of these officers. They
are made to pay more attention to the quality of the work done and report
on each vaccinator's work.
16. The prescribed statements are appended to these notes.
W. W. CLEMESHA, M.D., D.P.H., MAJOR, I.M.S.,
Sanitary Commissioner for Bengal.
CALCUTTA,
The 9th June 1913.