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To enable the variations in diphtheria prevalence and mortality in the several sanitary
districts of London to be better appreciated the following tables (A) and (B) have been prepared.
Table (A) shows (1) the diphtheria case-rates per 10,000 living in the several sanitary
districts of London for each of the years 1891-1900 inclusive, and (2) the comparative case-rates
of each district in these years, i.e., the case-rates of each district in each year shown in relation
to the London case-rate of the same year, the London case-rate being taken as 100
Table (B) shows, similarly, the comparative death-rates of the several sanitary districts for each
of the years 1887-1900, inclusive, the London death-rate for each year being taken as 100—
Table: (A)Diphtheria—Case-rates per10,000living and comparative case-rates (London rate taken as100)in sanitary districts in each of the years1891-1900.
(A)Diphtheria—Case-rates per10,000living and comparative case-rates (London rate taken as100)in sanitary districts in each of the years1891-1900.
Sanitary district.
Case-rates per 10,000 living.
Comparative case-rates (London case-rates taken as 100).