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Schick Test, 1930.
Number of probationers tested 42
Number which proved positive 27
Rate per cent, of positives 64.28
Number immunised (4 weekly doses
of T.A.M.) 26
Eighteen of these were re-tested after six months, and 3 of
them were still faintly positive.
At the beginning of the year a brand of T.A.M. containing
goat serum was used, but this caused such severe local reactions
that its use was discontinued. With ordinary T.A.M. a
local reaction occurred on two occasions only ; no case suffered
from any appreciable general reaction.
During the year one nurse developed a mild attack of faucial
diphtheria seven months after immunisation. Another nurse, who
was Schick positive, contracted diphtheria before immunisation
was commenced.
Dick Test, 1930.
Number of probationers tested 42
Number which proved positive 11
Rate per cent, of positives 26.19
Number immunised (4 weekly doses of
Dick toxin) 9
Six of these were re-tested after six months, and all were
negative. No probationer contracted scarlet fever during the
year. A local reaction occurred from the immunisation in 2 cases
only.
Cate Cases.