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probable that the original doses of toxin-anti-toxin mixture injected
were not large enough to produce any degree of lasting
immunity.
Influenza and Pneumonia.—Influenza was responsible for
40 deaths in 1922, as compared- with 12 in 1925. Most of
these deaths were of persons of 45 years or over. There has
been occasional prevalence of influenza during the past five
years, but the disease has never assumed real epidemic proportions,
nor has the mortality rate beien high.
Since 1922 an anti-catarrhal vaccine has been supplied
to medical practitioners by the Town Council at cost price.
During the year 480 c.c. of this vaccine have been issued, and most
of those who have used it speak favourably of the results
obtained. The vaccine is prepared by the Lister Institute and
contains in each cubic centimetre—
B. Influenza 400 Millions.
Pneumococci 200 ,,
Streptococci 60 ,,
M. Catarrhalis 50 ,,
Other Notifiable Diseases.—Typhoid fever (including paratyphoid
fever) was rather more prevalent in 1925, when 10
cases were notified. Only one death from tohis group has
occurred during the past five years, and that in 1923.
Encephalitis lethargica (sleepy sickness) was notified last
year on 7 occasions, the greatest number of notifications (10)
during the five-year period being received in 1924.
There has been no small-pox in the Borough during the
five years under review, nor have any vaccinations been performed
by the Medical Officer of Health under the Public
Health (Small-pox) Regulations, 1917.
There were 7 deaths from whooping cough and 2 deaths from
measles among children under five years of age during the past
year.
Ophthalmia Neonatorum.—Four cases of Ophthalmia Neonatorum
were notified during the year. All these cases were
visited by the Health Visitors and attention given where necessary.
An arrangement exists with the Metropolitan Asylums