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40
Return Cases.—This term is applied to cases of Diphtheria occurring in the same house
within 28 days of the return from hospital of a previous case.
Nine cases of this description occurred during the year. Two cases were in one house,
and one in each of seven other houses. In three cases bacteriological examination showed the
original patient still had diphtheria bacilli in either nose or throat.
TYPHOID OR ENTERIC FEYER.
Twelve cases were notified during the year; but on further investigation three of these
were found to have been incorrectly diagnosed. The actual number of cases was, therefore,
nine. With the exception of the year 1919, when 7 cases only occurred, this is the lowest
number recorded in any year.
Based on bacteriological examination, 5 eases were reported to be suffering from
Typhoid and 4 from Paratyphoid fever.
In one case only was there a history of having consumed fish or shell-fish within the
incubation period. In two instances the disease was imported, the patients having recently
arrived in this country from abroad. One case had been away on holiday, and the infection
was probably contracted during that period. In the other cases, no definite source of infection
could be discovered. Two of the cases proved fatal.

TUBERCULOSIS.
The number of cases of tuberculosis notified during the year is given in the following
table in the form required by the Ministry of Health:—