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

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City of London 1866

[Report of the Medical Officer of Health for London, City of]

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Mortality from Cholera in London, per10,000of the population at different elevations above Trinity high water mark.

Elevation in feet above Trinity High Water.Epidemics of
1849.1854.East & South-East Districts, 1866.Mean.
Under 3146108167140
3 to 1089948991
10 „ 2060508866
20 „ 4062322640
40 „ 6045161726
60 „ 802527419
80 and. over151309
All London62465655
match: ALTO ComposedBlock
..\LMA\Old LMA\b20056485\Tables\b20056485_0023_023_007.xml

So that, taking the mean of the mortality in
London at different elevations, there was but
one death from cholera in a thousand of the
population residing at a height of 80 feet or
more above the river, while there were fourteen
per thousand among those who lived at the level of
it. In the intermediate stages the death-rates are
inversely proportional, and with an increasing
ratio, for they are in the proportion of 81, 66, 10,
7 and 4 for every 10 feet from the level of the
river. This fact was the subject of able comment
by Dr. Farr, in his report to the Registrar-General
on the cholera epidemic of 1849 and 1854; and he
concluded his remark by saying that "no such
fixed relation is formed between the density of the


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