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81
Applications for treatment received 2,952
Number Schick-tested during 1930 2,571
Number giving positive result to test 2,016
„ „ negative „ „ 454
Not read owing to various causes 101
Total Number of attendances at Clinics during 1930 11,018
The procedure adopted has been to Schick-test all subjects and
then to inspect the arms one week later. Children showing positive
reactions at once receive 1.0 c.c. of Toxoid-antitoxin (Burroughs,
Wellcome), henceforth referred to as T.A.M. The second injection
of T.A.M. is given one week later, and a third injection fourteen
days after the second, the dosage being 1.0 c.c. in each case. At
an interval of three or four months these subjects are again requested
to attend the clinic with a view to establishing the success,
or otherwise, of the immunising course, by means of a second Schick
test. Up to the end of the year the figures for subjects who have
reached the stage of final Schick-testing were:—
Children Schick-tested, found positive originally, immunised,
and re Schick-tested 993
Number of these found to have become Schick-negative
at the second test 880
Number still showing varying degrees of positive reaction
to the second Schick-test 109
Not read for various reasons 4
It was found that most of the children still positive at the
second Schick test showed only feeble or markedly reduced positive
reactions. Of the 109 subjects still considered Schick-positive
or slightly susceptible after the course of three injections of T.A.M.,
a secondary series of injections was given to 99.
Secondary Inoculation courses of T.A.M.:—
Number given 1 further injection of 1 c.c. 28
Number given 2 further injections of 1 c.c. 63
Number given 3 further injections of 1 c.c. 8
Total 99