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Article
June 1, 1907

SEWAGE AIR INFECTION.

JAMA. 1907;XLVIII(22):1869. doi:10.1001/jama.1907.02520480047009
Abstract

Some years ago sewer gas was a popular bugaboo and was credited with the origination of many ailments that we now know to be caused by germs, the conveyance of which can usually be more easily explained than by way of sewer emanation. It is admitted, of course, that noxious gases from putrefying sewage may have evil effects on health, and it is possible also that bacteria liberated through the bubbles from such escaping gas may be carried into human dwellings or separated from dried sewage in the pipes and also thus conveyed. The main factors, however, are now looked for elsewhere, at least to a greater extent than was formerly the case, and it is not usually believed that bacteria are liable to escape and be carried through the house pipes from a well-arranged sewerage system. Some recent experiments, however, by W. H. Horrocks1 seem to show that even

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