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37
SPECIFIC INFECTIOUS OR ZYMOTIC DISEASE.
During the year 1912 there were 1,071 cases of acute infectious
disease compulsorily notified in the Borough; of these 47 were
subsequently found not to be suffering from infectious disease,
thus reducing the number of genuine cases to 1,024. This total
shows a decrease of 449 cases upon that of 1911. The attack-rate
in respect of the acute notifiable infectious diseases for the year
is therefore 4.6 per 1,000 persons living.
In addition, I received 220 primary notifications of pulmonary
tuberculosis under the Public Health (Tuberculosis) Regulations,
1808, and 238 under the Public Health (Tuberculosis in Hospitals)
Regulations, 1911, and 368 under the Public Health (Tuberculosis)
Regulations, 1912.
The deaths from the chief zymotic diseases during the year
numbered 108. This is equal to a zymotic death-rate of .48 per
1,000 living persons in the Borough.
A.—NOTIFIABLE INFECTIOUS DISEASES (ACUTE).
Small-pox.—No case of this disease was notified in the Borough
durng the past year.
Scarlet Fever or Scarlatina.—The number of cases of this
disease notified during the year was 518, but of these 12 were
afterwards found not to be cases of scarlet fever. The genuine
cases were thus reduced to 506. This is a decline of 78 cases upon
the genuine cases notified during the year 1911. On reference to
the chart accompanying this report, it will be observed that the
incidence of scarlet fever was low almost all the year, a slight rise
taking place in the last week of the month of June, and a more continuous
rise taking place in the months of September, October,
and November. This last rise began as usual in the first week of
September. The attack-rate for 1912 is, therefore, 2.2 per 1,000
persons living.