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70
NOTIFICATION.
The total number of notifications, excluding duplicates, was 2,172, compared
with 1,941 in 1929 and 1,587 in 1928. This increase is more apparent than real
as these figures include 597 notifications of Chicken Pox, a disease which was made
notifiable from the 1st April on account of the prevalence of Smallpox in London.
This disease was not notifiable in 1929. In addition, 2,702 cases of Measles, including
German Measles, came to the knowledge of the Department mainly through the
school medical service. The following Table, No. 50, shows the total number of
cases notified, the total admissions to hospital, and the total deaths from each of
the notifiable infectious diseases, except tuberculosis. The succeeding four Tables
show respectively, the incidence of infectious disease each year since 1901 and for
1930, the age incidence of infectious disease, the deaths from infectious disease
classified according to age groups, and the incidence and case-rates in each of the
old registration districts of the Borough.

*Not Notifiable.