Observations Upon the Natural History of Epidemic Diarrhoea
Observations Upon the Natural History of Epidemic Diarrhoea
O H Peters
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Sect. V, 4). (/) Milk Infection, Water Infection, Fruit and Food Infection, etc. The actual facts bearing on the possibility of infection by these means have already been dealt with under " Food " (Sect. VI). The possible epidemiological relations of diarrhoea to the bacterial content of food are dealt with later (cf. P. 146). It is only necessary to recall here the possibility that food might be infected either from a human or ground source ; and by both the direct method, as by dust from the ...ground or by human contact, and by the indirect method of fly infection. (g) Conclusions : the evidence for Personal Infection, Ground Infection, Direct Personal Infection, and Fly-Carriage. Personal Infection versus Ground Infection. A. Evidence supporting a Personal Origin only. (1) The evidence of yards-in-common (cf. P. 89 et seq. ). (2) Possible perambulation of a locality (cf. P. 95). (3) Possible movement from one large district to another (cf. P. 95). Irregular evolution of epidemic in different districts (cf.
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