Work-related symptoms and Salmonella antibodies among wastewater treatment plant workers

Wastewater treatment plant workers are exposed to microbes, including Salmonella, but the prevalence of antibodies against Salmonella species or serovars in their serum samples has not been studied. Antibodies against Salmonella Infantis and lipopolysaccharide antigen common to S. Enteritidis and S....

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Bibliographic Details
Published in:Epidemiology and infection 2005-08, Vol.133 (4), p.603-609
Main Authors: SEURI, M., KOIVUNEN, J., GRANFORS, K., HEINONEN-TANSKI, H.
Format: Article
Language:English
Subjects:
Adult
Antibodies
Antibodies, Bacterial - analysis
Antigens
Bacteriology
Biological and medical sciences
Blood donation
Campylobacter
Case-Control Studies
Confidence Intervals
Feces - microbiology
Female
Follow-Up Studies
Fundamental and applied biological sciences. Psychology
Gastroenteritis - epidemiology
Gastroenteritis - microbiology
Humans
Incidence
Male
Microbiology
Middle Aged
Miscellaneous
Occupational Exposure - adverse effects
Questionnaires
Reference Values
Risk Factors
Salmonella
Salmonella - classification
Salmonella - immunology
Salmonella infantis
Salmonella infections
Salmonella Infections - epidemiology
Salmonella Infections - etiology
Salmonella typhimurium
Severity of Illness Index
Sewage
Skin Diseases, Bacterial - epidemiology
Skin Diseases, Bacterial - microbiology
Stomach
Surveys and Questionnaires
Symptoms
Waste Management
Wastewater treatment
Water Pollutants - adverse effects
Water Pollutants - immunology
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Description
Summary:Wastewater treatment plant workers are exposed to microbes, including Salmonella, but the prevalence of antibodies against Salmonella species or serovars in their serum samples has not been studied. Antibodies against Salmonella Infantis and lipopolysaccharide antigen common to S. Enteritidis and S. Typhimurium in immunoglobulin classes IgA, IgM and IgG were measured from 79 serum samples of wastewater treatment plant workers and from 79 blood donor samples. Faecal samples for Salmonella and Campylobacter were studied. Gastrointestinal, dermal and other symptoms were compared between 81 wastewater treatment plant workers and 89 food-processing workers. The blood donors had more antibodies against all of the tested antigens expect for S. Infantis in IgM and IgA classes, even though the wastewater treatment plant workers had more gastrointestinal symptoms than the controls. No Salmonella or Campylobacter were found in any faecal samples. Salmonella is not a probable cause of symptoms among wastewater treatment plant workers.
ISSN:0950-2688
1469-4409
DOI:10.1017/S0950268805003924