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INFECTIOUS DISEASE.

*Deaths from all forms of pneumonia including 59 mental hospital cases.
A further analysis of these cases by age, wards and the
months during which they occurred is given in Tables I and II in
the Appendix, while a full statement of the cases of infectious
disease notified since 1925 is presented in Table III in the
Appendix.
It will be seen that measles was again much the commonest
notifiable infectious disease while whooping cough, scarlet fever
and food poisoning were much less prevalent than in the previous
year. More cases of dysentery and pneumonia occurred, and to
a lesser extent poliomyelitis.
Excluding food poisoning, measles and whooping cough which
were not notifiable between the two Wars, and the hospital cases
of dysentery, the incidence of the remaining acute notifiable infectious
diseases was 2.6 per 1,000 population, which is slightly above
the post-war average of 2.3, chiefly due to the wave of Sonne
dysentery.
SMALLPOX.
No case of this disease occurred in the District during the year
but 6 individuals who might have been in contact with a case on
a liner at Suez at the end of February were under surveillance
for a period.
DIPHTHERIA.
For the ninth year in succession no case of diphtheria occurred
in the District and only two suspicious but unconfirmed cases
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