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Microbiological Hazards of Household Toilets: Droplet Production and the Fate of Residual Organisms

Open access
Charles P. Gerba, Craig Wallis, Joseph L. Melnick·1975·Applied Microbiology

Abstract

Large numbers of bacteria and viruses when seeded into household toilets were shown to remain in the bowl after flushing, and even continual flushing could not remove a persistent fraction. This was found to be due to the adsorption of the organsims to the porcelain surfaces of the bowl, with gradual elution occuring after each flush. Droplets produced by flushing toilets were found to harbor both bacteria and viruses which had been seeded. The detection of bacteria and firuses falling out onto surfaces in bathrooms after flushing indicated that they remain airborne long enough to settle on surfaces throughout the bathroom. Thus, there is a possibility that a person may acquire an infection from an aerosol produced by a toilet.

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OpenAlex · 10.1128/aem.30.2.229-237.1975

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Metadata

Authors
Gerba, C. P., Wallis, C., & Melnick, J. L.
Venue
Applied Microbiology
Publisher
American Society for Microbiology
Published
1975-01-01
Volume
30
Issue
2
Pages
229-237
ISSN
0003-6919 (ISSN-L)
OpenAlex
W1543586086
Cited by
176
References
0
FWCI
1.44
Type
journal article
Language
en
Open access
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CoChat. (2026). Citation check: Microbiological Hazards of Household Toilets: Droplet Production and the Fate of Residual Organisms. https://app.cochat.ai/papers/10.1128/aem.30.2.229-237.1975
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Gerba, C. P., Wallis, C., & Melnick, J. L. (1975). Microbiological Hazards of Household Toilets: Droplet Production and the Fate of Residual Organisms. Applied Microbiology. https://doi.org/10.1128/aem.30.2.229-237.1975

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.