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64
SECTION VIII.
PREVALENCE AND CONTROL OVER INFECTIOUS DISEASES.
The only change which took place in the number of diseases compulsorily
notifiable in the Borough was in respect to chicken pox. Owing to the presence
of small pox in London this disease was made notifiable from the 1st April, 1930,
to the 30th September, 1931. A complete list of the notifiable diseases will be
found in last year's Annual Report.
The total number of primary notifications, excluding cases of tuberculosis,
which are referred to in a separate sub-section of the report, was 1,879, compared
with 2,172 in 1930 and 1,639 in 1929; but as 672 notifications were included in
respect of chicken pox in 1930 and 597 in 1929, the incidence of infectious disease
must be regarded as less than in the two previous years. Measles, which is not
notifiable, was not present in epidemic form during the year, and only 113 cases
came to the knowledge of the department.
The following Table, No. 44, shews the number of cases of each disease notified,
the number of admissions to hospital and the total deaths, and on the four succeeding
pages will be found tables shewing the incidence of infectious disease in the Borough
each year since 1901, the ward incidence, the age incidence and the number of
deaths from these diseases in 1931.