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18
Ten cases of Encephalitis Lethargica have occurred
during the last five years, seven being adults, and three
children, resulting in the deaths of three adults and two
children. The one case this year was a woman of fifty,
who died from the disease. There has been no connection
between any of the cases, and investigations have failed
to elicit any source or cause.
There has been a very large increase in the number
of cases of Pneumonia notified during the last two years
under the Regulations of the 7th January, 1919. In my
opinion this increase is very much more apparent than real,
and is due primarily to the fact that the obligation to
notify cases of Acute Primary and Influenzal Pneumonia
has only recently been fully realised by some general practitioners.
I feel sure also that this accounts for the very divergent
figures appearing from other districts.
No primary vaccinations or revaccinations have been
performed by the Medical Officer of Health under the Public
Health (Small-pox Prevention) Regulations, 1917.
No cases of Anthrax or Rabies have occurred during
the last five years.
Puerperal Fever and Ophthalmia Neonatorum are referred
to under the Maternity and Child Welfare Section of
the Report.

SCARLET FEVER.
The type of case met with during the epidemic of 1921
still persists. It is of a mild nature and no deaths have
been attributed to this disease for the past two years.
This year, 1925, there were two brisk rises in its incidence,
the first occurring in the middle of October and the
second at the beginning of December.