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46
It is not possible to show the attack.rates per 1,000 persons under
15 years of age, as the records do not give the information as to the
housing conditions of the population coming within this age period.
REPORT OF DIPHTHERIA IMMUNISATION CLINIC.
(Dr. F. J. Porter.Smith.)
The work of the Clinic was continued in 1929, and the attendances
at the sessions have been maintained, as the following figures demonstrate
: —
Clinic open for 50 sessions.
First attendances of patients 443
Total attendances 2,053
Patients received certificates of immunity 246*
Patients who have not completed treatment 14
Patients under treatment at end of year 211
* Of this number, 73 were found to be naturally immune.
Parents are taking a keen interest in the Clinic, and are recommending
friends to bring their children for treatment. I am looking
forward to the time when a large percentage of the children in the
Borough will be immunised, when, I am confident, the incidence of
the disease will be greatly diminished.
The enthusiasm of my assistants at the Clinic has materially
helped the smooth running of this work.
Enteric Fever Group.
Typhoid and Paratyphoid Fever.—During the year under consideration,
4 cases of typhoid fever and *4 cases of paratyphoid fever
" B " were notified. This shows a decrease of 11 on the number of
genuine cases notified during 1928. The attack rate was 0.04 per
1,000 inhabitants, compared with 0.07 for England and Wales.
All the cases were removed to hospital.

There was one death from typhoid fever in the Borough last year.
* Examination of the blood of two of the patients notified as suffering from
paratyphoid fever failed to reveal the presence of a bacillus associated with the
enteric group. Thus the diagnoses of paratyphoid fever in these tzvo cases were
inaccurate.