Hints from the Health Department. Leaflet from the archive of the Society of Medical Officers of Health. Credit: Wellcome Collection, London
[Report of the Medical Officer of Health for Dagenham]
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The following table shows the actual number of notifications received in the four years, 1927-1930 :—
TABLE VII.
Age. | Diphtheria. | Scarlet Fever. | ||||||
---|---|---|---|---|---|---|---|---|
1927. | 1928. | 1929. | 1930. | 1927. | 1928. | 1929. | 1930. | |
0-1 | 2 | 1 | 1 | 4 | 1 | _ | 1 | 3 |
1-2 | 8 | 10 | 4 | 9 | 10 | 10 | 13 | |
2-3 | 8 | 25 | 11 | 30 | 17 | 22 | 22 | 31 |
3-4 | 19 | 21 | 18 | 29 | 23 | 31 | 45 | 53 |
4-5 | 17 | 27 | 21 | 37 | 23 | 32 | 40 | 51 |
5-6 | 11 | 25 | 27 | 53 | 36 | 59 | 60 | 48 |
6-7 | 19 | 22 | 41 | 61 | 46 | 44 | 45 | 72 |
7-8 | 15 | 22 | 24 | 37 | 30 | 38 | 83 | 43 |
8-9 | 16 | 12 | 17 | 33 | 17 | 34 | 24 | 40 |
9-10 | 7 | 8 | 20 | 18 | 17 | 12 | 18 | 32 |
It can be seen that, at no year of age, is there any outstanding
incidence sufficient to justify the assumption of any particular agegroup
being relatively heavily represented.
(5) The remaining suggestion as an explanation of this excess
of infection occurring for these years is that the population, on
coming to reside here, loses its immunity and succumbs to infection.
This eliminates to a certain extent the errors of the returns which are naturally grouped, in the case of the longer intervals, round integer years, rather than in exact years and months :—
1 mth. | 2—4 mths. | 0 mths. | 1 year. | 18 mths. | 2 years | 3 years. | 4 years. | 5 years. | 6years. | |
---|---|---|---|---|---|---|---|---|---|---|
Diph-theria | 13__ | 26 | 70 | 53 | 37 | 54 | 54 | 30 | 18 | 3 |
Net Fever | 7 | 41 | 103 | 65 | 55 | 86 | 82 | 59 | 58 | - |