File:Diphtheria Chart Colchester Graham-Smith 1902 5.png

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Chart showing the infections and deaths from dipheria in Colchester in 1901

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Description
English: Chart showing the infections and deaths from dipheria in Colchester in 1901. Upper section: Patients treated at home; Lower section: Patients treated at the infection hospital. Dotted line indicates rthe date at which treatment with antitoxin was introduced for those in hospital. The mortality rate declined from 25.9 to 5.8% after this date. From: Graham-Smith, G.S. (1902). "The Measures taken to check the Diphtheria Outbreak of 1901 at Colchester". The Journal of Hygiene 2 (2): 170-193. DOI:10.1017/s002217240000190x.
Date
Source https://archive.org/details/graham-smith-1902-journalofhygiene-02nutt/page/174
Author Graham-Smith, G.S (George Stuart) 1875-1950

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This work is in the public domain in its country of origin and other countries and areas where the copyright term is the author's life plus 70 years or fewer.

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