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Salmonellas in sewage. A study in latent human infection

Published online by Cambridge University Press:  15 May 2009

R. W. S. Harvey ,
T. H. Price ,
D. W. Foster  and
W. C. Griffiths
R. W. S. Harvey
Affiliation:
Public Health Laboratory, Institute of Preventive Medicine, The Parade, Cardiff
T. H. Price
Affiliation:
Public Health Laboratory, Institute of Preventive Medicine, The Parade, Cardiff
D. W. Foster
Affiliation:
Medical Officer of Health, Pontypridd Urban District Council
W. C. Griffiths
Affiliation:
Public Health Inspector, Pontypridd Urban District Council
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In a residential estate of 4000 persons, containing neither industry nor retail butchers shops, salmonellas were regularly found in the sewerage system. They were frequently found in the sewage of a portion of the estate housing 1000 persons. The range of serotypes found was wide and some types suggested an exotic origin. No overt salmonella infection in the estate was reported during the period of survey, although local general practitioners had been previously alerted. Overt infection due to serotypes found in the survey were, however, reported in other areas of Glamorgan. Multiple sampling points in the sewerage system and a serological technique for examining samples contaminated with multiple salmonella serotypes were essential for the technical success of the survey.

We should like to thank Prof. Scott Thomson for his advice in the preparation of this paper; Dr E. S. Anderson of the Central Enteric Reference Laboratory and Bureau, Colindale, for phage-typing the strains of S. typhimurium and S. paratyphi B; and Dr G. J. G. King of the Public Health Laboratory, Bournemouth, for identifying the serotypes isolated. We should also like to thank Mr T. R. Liddington and Mr J. H. Price for their technical assistance.

Type
Research Article
Information
Journal of Hygiene , Volume 67 , Issue 3 , September 1969 , pp. 517 - 523
Copyright
Copyright © Cambridge University Press 1969

References

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