( 4 )
success of 33 per cent, but progressively increased, year by year, till it reached 70
per cent in 1856. As this impermanence in protection had been attributed to
degenerated lymph, unrenewed from the cow, I suggested that the low suscep-
tibility to re-vaccination in Berar might be due to the employment of lymph of a
more protective character.
My own experience is that lymph, unrenewed by transmission through the
cow, does degenerate by continued transit through successive subjects, and there-
fore must lose its prophylactic power ; but whether this deterioration is owing to
careless selection of lymph subjects by vaccinators, or to the attenuation of the
virus in its successive human transmissions, I would hesitate to assert.
Proportion of population protected.
6. The ratio of the population successfully vaccinated was 36.0 per 1,000 as
compared with 36.8 in the previous year ; but the
rates scarcely admit of comparison being worked
on different population figures.
Worked on the new census figures, the rate for 1890-91 would be 34.3 per
1,000.
According to districts, the proportion ranged from 42.3 in Ellichpur to 31.5
in Akola.
The average number of persons successfully vaccinated during the previous
5 years was 33 per 1,000, and the average mortality from small-pox during a
similar period was .23 per 1,000.
Statement No. II — Showing the
cost of the department during the
year 1891-92.
7. Statement No. II shows the cost and strength
of the department.
The total cost of the department was Rs. 16,659-14-2 as compared with
Rs. 16,900-15-0 in 1890-91 or a decrease of Rs. 241. The cost of each successful
case was 2 annas 7 pie against 3 annas in the previous year.
The strength of the establishment remained the same as last year, but there
was a good deal of sickness amongst the staff.
One 1st-class vaccinator and one peon died, two men resigned and one was
dismissed for falsification of work.
The three vaccinators mentioned below have done the best work during the
season, and are recommended for the usual reward of Rs. 30 each :—
Total work.
1.
2.
3.
Sheik Kareem —Wun District ...
Shair Mahomed—Amraoti District ...
Rawaji Vishnu — Do
do ...
4,639
4,475
4,434
Statement No. III.—Dispensary
vaccination.
8. As stated above, Hospital Assistants were relieved of the duty of public
vaccination in June 1891. During the second
quarter of the year, however, 1,806 primary oper-
ations were performed at dispensaries, and 514
re-vaccinations, with a ratio of success of 96.2 and 36.9, respectively, as com-
pared with 95.1 and 29.3, the rates attained by the special establishment.
Statement No. IV—Showing the
number of persons primarily and
successfully vaccinated.
9. This statement shows the number of persons primarily vaccinated
and the number successfully operated upon dur-
ing a series of years and calls for no comment
beyond the fact that the numbers operated
upon remain very much the same in recent years.
Considering, however, that the proportion of the population protected by primary
vaccination for the last ten years was 32.9 per 1,000, and that the birth-rate
for a similar period was 40.7 per 1,000, there would, allowing for deaths, not be
many children unvaccinated in the population.