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A Technique for Measuring the Excretion of Bacilli of the Enteric Group in the Faeces of Infected Mice

Published online by Cambridge University Press:  15 May 2009

W. W. C. Topley  and
Joyce Ayrton
W. W. C. Topley
Affiliation:
From the Department of Bacteriology and Preventive Medicine, University of Manchester.
Joyce Ayrton
Affiliation:
From the Department of Bacteriology and Preventive Medicine, University of Manchester.
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In recent studies on experimental epidemiology, and especially in a series of reports by Webster (1922, 1923 a, b, c, d, e, f and g), attempts have been made to standardise certain of the factors concerned in the spread of bacterial infection among mice. One such factor is dosage, to which great importance has been attached by Amo⋅s (1922 a and b) and also, though to a somewhat less extent, by Webster, whose later work leads him to emphasise the importance of host-susceptibility in determining the form of the epidemic wave. Webster would appear to regard variations in dosage as decisive, in the sense that an effective dose must be applied; but once the critical limit of dosage is exceeded he would give first place to host-susceptibility in determining the subsequent course of events.

Type
Research Article
Information
Journal of Hygiene , Volume 22 , Issue 2 , December 1923 , pp. 222 - 233
Copyright
Copyright © Cambridge University Press 1923

References

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