Document 9: Chadwick's Report on Sanitary Conditions on the Laboring Population of Great Britain, 1842 After as careful an examination of the evidence as I have been enabled to make, I be leave to...

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Extracted text: Document 9: Chadwick's Report on Sanitary Conditions on the Laboring Population of Great Britain, 1842 After as careful an examination of the evidence as I have been enabled to make, I be leave to recapitulate the chief conclusions which that evidence appears to me to establish: That the various forms of epidemic, endemic and other disease caused or aggravated, or propagated chiefly amongst the labouring classes by atmospheric impurities produced by decomposing animal and vegetable substances, whether dwelling in separate houses, in rural villages, in small towns, in the larger towns districts of the metropolis. -- as they have been found to prevail in the lowest Question: How was disease likely spread among the working class in England?