London's Pulse: Medical Officer of Health reports 1848-1972
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Hints from the Health Department. Leaflet from the archive of the Society of Medical Officers of Health. Credit: Wellcome Collection, London
Willesden 1907
[Report of the Medical Officer of Health for Willesden]
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73
month to five years. The intervals are counted from the date of
receipt of one notification in a house to the date of the receipt of the
next, no note being taken of cases occurring at shorter intervals than
those respectively shown in the table.
Table No 32.
Showing the Number of Cases of Scarlet Fever in Houses Previously Infected, recurring at intervals of not less than 3 weeks, and not longer than 5 years.
| Year. | 3 Weeks to 3 Months. | Months. 3-6 | Months. 6-12 | Years. 1-2 | Years. 2-3 | Years. 3-4 | Years. 4-5 |
|---|---|---|---|---|---|---|---|
| 1900 | 8 | 6 | 5 | ||||
| 1901 | 28 | 5 | 7 | 9 | |||
| 1902 | 14 | 5 | 4 | 6 | 6 | ||
| 1903 | 16 | 9 | 8 | 10 | 4 | 3 | |
| 1904 | 22 | 4 | 1 | 6 | 5 | 3 | 1 |
| 1905 | 15 | 8 | 6 | 7 | 11 | 12 | 8 |
| 1906 | 23 | 11 | 7 | 14 | 14 | 9 | 12 |
| 1907 | 36 | 6 | 11 | 18 | 8 | 6 | 7 |
| Totals | 162 | 54 | 49 | 70 | 48 | 33 | 28 |
Taken merely as it stands the table would seem to indicate that
the liability of a house to a recurrence of scarlet fever was much
greater, the shorter the interval that has elapsed from the occurrence
of a previous case. Within limits this is unquestionably true, but
the figures do not warrant the inference which they appear to suggest,
namely that this greater liability extends through a period of several
years.