London's Pulse: Medical Officer of Health reports 1848-1972

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Dagenham 1934

[Report of the Medical Officer of Health for Dagenham]

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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.
666.6 (15)59.1(22)36.6 (30)33.3 (30)
550.0 (16)51.6 (31)28.6 (35)25.0(24)
447.8 (46)41.2 (85)39.0 (84)32.8 (73)
358.6 (87)49.1 (177)38.0 (150)44.6 (148)
283.4 (321)74.0 (469)76.8 (327)60.9 ( 205)

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

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.Percentage Positive in general local population.
Under 852399157.173.7
8 to 12737915248.061.1
12 and over18254341.947.8

It will be seen from the above two tables that the number
who are naturally immune bears a direct relationship to the number
of persons who have acquired immunity with whom they are in close
contact.

The following table shows theanalysis of theSchick-reactionsof the children tested, according to their period of residence here

Period of Residence.Under 8 Percentage Positive.8 to 12 Percentage Positive.12 and over Percentage Positive.Total Percentage Positive.
Under 6 months64.4 (45)53.2 (47)45.4 (11)57.3 (103)
6 to 12 months76.9 (39)62.3 (53)45.4 (11)66.0 (103)
1 year80.4 (46)62.9 (62)41.6(12)67.5 (120)
2 years85.2 (88)64.6 (116)43.5 (23)70.5 (227)
3 „75.2 (117)60.8 (166)40.7 (27)67.4 (310)
4 „74.0 (100)78.8 (104)35.7 (28)71.1 (232)
5 „75.0 (76)51.7 (85)31.2 (16)59.9 (177)
6 „71.5(77)55.6 (106)53.5 (28)61.1 (211)
7 „45.8 (24)68.8 (77)46.4 (28)59.7 (129)
8 „85.7 (14)55.1 (49)38.8 (18)56.8 (81)
9 and over66.6 (45)50.0 (14)62.7 (59)

These four tables refer to all children dealt with in this district
from the time immunizing was started.