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64
Encephalitis Lethargica.—One notification of this disease
was received during the year, but one death which occurred in a
hospital outside the Borough was certified to be due to this
disease.
Poliomyelitis.—No notification of this disease was received
during the year.
Erysipelas.—30 cases of this disease were notified during
the year as compared with 36 in 1930.
Influenza.—This disease in a mild form was generally prevalent
during the first quarter of the year.
In 1931 there were 15 notifications of Influenzal Pneumonia,
and 11 deaths certified to be due to Influenza, as compared with
3 notifications and 10 deaths in 1930.
Meningococcal Meningitis.—Three cases were reportedduring
the year. It was found subsequently that 1 case was not suffering
from this disease, but to toxaemia from other causes. This case
made a rapid recovery. The other two cases terminated fatally.
Measles.—Epidemics of Measles occur about every two years
in London, and the last epidemic happened in 1930.
At the end of 1929 a scheme of control was drawn up, with the
approval of the London County Council and the several Metropolitan
Borough Councils, with the object of reducing the mortality and mitigating
the complications associated with Measles epidemics by the
prompt removal of cases to an infectious disease hospital or by
nursing assistance in the home, according to circumstances.
The scheme of control depends for its success in the close
co-operation between the school organisation and the local Public
Health staff in securing the earliest possible information of cases ;
educating the parents to realise that Measles is a dangerous disease
by means of advice leaflets ; and by prompt removal to hospital of