[Report of the Medical Officer of Health for Dagenham] page 56

Dagenham 1932

[Report of the Medical Officer of Health for Dagenham]

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56
Number of children immunized without having
been Schick tested (under 6 years).
724.

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The following table shows the proport ion of children of various ages who reacted Schick-positively:—

Age.	Total.	No. of Positives.	Percentage Positive.
UNDER 6	14	9	64.3
,, 7	367	278	75.6
„ 8	339	238	70.2
„ 9	286	185	64.6
„ 10	273	172	63.0
„ 11	208	127	61.0
„ 12	195	117	60.0
„ 18	104	58	55.8
„ 14	55	20	36.4
„ 15	10	3	30.0
Over 15	15	8	53.3

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The following table shows the relation of the number of immunes in the household to the Schick-reactions of the children of various ages.

No. of Immunes in family.	Under 7	7 and 8.	9 and 10.	11 and over.
6	62.5 (8)	61.5 (13)	50.0 (18)	33.3 (21)
5	61.5 (13)	52.0 (25)	33.3 (27)	16.6 (18)
4	41.4 (29)	43.5 (62)	33.9 (59)	27.4 (51)
3	57.8 (57)	49.2 (128)	46.8 (111)	43.9 (91)
2	83.2 (215)	77.7 (319)	78.1 (229)	69.6 (135)

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(The numbers in brackets are the total number of children dealt with in
the group.)

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The following table shows the influence of a case of diphtheria occurring in the home on the Schick-reactions of the remaining occupants:—

Age.	Positive.	Negative.	Total.	Percentage Positive.	Percemtage Positive in general local population.
Under 8	36	24	60	60.	75.
8 to 12	52	47	99	52.5	65.3
12 and over	8	11	19	42.1	54.3