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not allowed to remain at work unless cases are removed to
hospital or a certificate of efficient home isolation is issued
by the Medical Officer of Health. During the year two such
certificates were issued.
Dick Test. This has not been employed in the area so
far as I am aware.
DIPHTHERIA.
Notification. During the year 496 cases of Diphtheria
were notified, compared with 300 in 1928 and 278 in 1927.
This is the highest number of cases notified since 1921, when
592 were notified. The number of military cases was 27.
The case-rates for the various registration districts in the
Borough are given in Table No. 52. The number of notifications
received each quarter was as follows
First quarter 92 Third quarter 87
Second quarter 109 Fourth quarter 208
Deaths. There were 17 deaths, 8 occurring in those
under school age and 9 in school children. In 1928 there
were 14 deaths.
Return Cases. There were 11 return cases.
Multiple Cases. The following table shows the house
distribution by wards. The term "house" is synonymous
with the term "family," except in 11 instances where two
families were involved.