. Diphtheria: its natural history and prevention . erydeparture from the one annual rise and fall was attendedby an increase of diphtheria. After recalling the fact that dampness of soil,defects of sewerage, and other grave sanitary faults are sooften found cropping up in reports of outbreaks of diph-theria, Mr. Adams indicates by means of diagrams andmeteorological records the fluctuations of subsoil waterreferred to in their relation to diphtheria occurrences;and he explains that whereas, under the conditions of1885-1887, which he regards as normal, the soil musthave been more thoroughly was
. Diphtheria: its natural history and prevention . erydeparture from the one annual rise and fall was attendedby an increase of diphtheria. After recalling the fact that dampness of soil,defects of sewerage, and other grave sanitary faults are sooften found cropping up in reports of outbreaks of diph-theria, Mr. Adams indicates by means of diagrams andmeteorological records the fluctuations of subsoil waterreferred to in their relation to diphtheria occurrences;and he explains that whereas, under the conditions of1885-1887, which he regards as normal, the soil musthave been more thoroughly washed during the colderseasons, and better drained and dried and aerated duringthe hotter seasons, this coincidence of tide and seasonwas practically reversed in the two following years, and hepoints out how these irregular oscillations tended to theproduction of such dampness of soil as may be regardedas favourable to the development of the diphtheriaorganism, and to the periodically recurring expulsion of Lnd Fluctu 3S that origincf fluctuation f. 4-11 : 5-3887 7-60 1887 DIPHTHERIA in relation to Height and Fluctuation of Subsoil Water at Maidstone. The Cases of Diphtheria are represented in Red, and the number of cases that originated in the respective weeks is indicated by the sizes of the red Subsoil Wateb Level is represented in Blue, and the amount of fluctuation for the respective weeks is indicated by the sizes of the blue blocks.
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