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

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London County Council 1909

[Report of the Medical Officer of Health for London County Council]

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Diphtheria1—1909.

Age-period.Males.Females.
Notified Cases.Deaths.Case mortality per cent.Bates per 100,000 living.Notified Cases.Deaths.Case mortality per cent.Bates per 100,000 living.
Cases.Deaths.Cases.Deaths.
All Ages3,11031310.1137143,5693148814012
0—1243427.421258992626.317045
1—2597227.85001392125525.9409106
2—3415516.16521052824516.054186
3—3904011.8765903674412.071285
4—361308.3724603693910.674379
5—1,004717.1429301,249897.152938
10—30410.31380417102.41854
15—12521.656116110.6650
20—753214110.7510
25—7811.320018710.5400
35—32115511.8170
45—1317.760209
55 & upwards4210220-041

Diphtheria and Elementary Schools.
In connection with the question of the reduction in the prevalence of the disease
among persons of school age during the summer holiday when the schools are closed it has
been thought well to include, as in previous reports, the following table. The summer holiday
of the schools of the London County Council began on Thursday, the 22nd July, i.e., the
latter part of the 29th week, and the schools re-opened on Monday, the 23rd August, i.e., at
the beginning of the 34th week. If the number of cases in the four weeks preceding and the
four weeks subsequent to the weeks most subject to holiday influence be compared, the following
results are obtained for the age periods of 0—3, 3—13, and 13 years and upwards.

Diphtheria—Notified cases—1909.

Period.0—3.3—13.13 and upwards.0—3.3—13.13 and upwards.
Four weeks preceding weeks of holiday influence (27th to 30th)9233389
Four weeks of holiday influence (31st to 34th)6921171—25.0-36.6—20-2
Four weeks following weeks of holiday influence (35tli to 38tli)7833989+ 13.0+ 60.7+ 25.4

The distribution of cases of diphtheria in houses is shown in the reports relating to Paddington,
Fulham and Westminster, thus :—

Diphtheria—Single and multiple cases, 1909.

Sanitary area.Number of houses in which one or more cases occurred.
One case.Two cases.Three cases.Four cases.Five cases.Six cases.
Paddington13171
Fulham23227631
Westminster18612211

Thus of 610 houses invaded, multiple cases occurred in 61.
The reports relating to Finsbury, Woolwich and Stoke Newington show the probable source of
infection of those cases for which explanation could be found. In Finsbury, of 152 cases occurring in
the district, in 12 instances infection appeared to be due to previous cases occurring in other members
1 See footnotes (2), page 6, and (2) page 38.