The survival and recovery of bacteria in vacuum cleaner dust

The possibility exists that environmental dust could be a source of gastro-intestinal infection in the domestic environment and that the causative microbes are collected during vacuum cleaning. This study examines the survival of total bacterial populations, Enterobacteriaceae and salmonella species...

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Bibliographic Details
Published in:The journal of the Royal Society for the Promotion of Health 2003-03, Vol.123 (1), p.39-45
Main Authors: Haysom, I W, Sharp, K
Format: Article
Language:English
Subjects:
Colony Count, Microbial
Dust
Enterobacteriaceae
Enterobacteriaceae - growth & development
Enterobacteriaceae - isolation & purification
Household Articles
Housekeeping
Salmonella
Salmonella typhimurium - growth & development
Salmonella typhimurium - isolation & purification
United Kingdom
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Summary:The possibility exists that environmental dust could be a source of gastro-intestinal infection in the domestic environment and that the causative microbes are collected during vacuum cleaning. This study examines the survival of total bacterial populations, Enterobacteriaceae and salmonella species in vacuum cleaner dust in vitro and in use. Total counts remain constant at around 106-108 colony forming units (cfu) g-1 for at least 60 days. Enterobacteriaceae showed only a slight decline over the same period. Recovery of salmonellae artificially inoculated into vacuum dust was dose and time dependent: even relatively small inocula (
ISSN:1466-4240
1476-9042
DOI:10.1177/146642400312300114