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[Hepatitis E and exposure to waste water].

S Jeggli¹, D Steiner, H Joller

¹Abteilung für Arbeits- und Umweltmedizin, Abteilung für Epidemiologie und Prävention übertragbarer Krankheiten und Abteilung für klinische Immunologie. Sjeggli@Yahoo.com

|April 5, 2003

Summary

Hepatitis E virus (HEV) can be found in wastewater. A study found similar HEV antibody prevalence in sewage workers and controls, suggesting occupational exposure risk is low.

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Area of Science:

Environmental Health
Virology
Occupational Health

Context:

Hepatitis E virus (HEV) is detected in wastewater.
Wastewater represents a potential infection route.
Occupational risk for sewage workers is not well-defined.

Purpose:

To determine the prevalence of anti-HEV antibodies in sewage workers in the Canton of Zurich.
To assess the occupational risk of HEV infection for sewage workers.

Summary:

This study evaluated 288 sewage workers and 306 controls for anti-HEV antibodies.
Overall seroprevalence was 3.7%, with similar rates in exposed and control groups.
Travel to endemic areas, a known risk factor, was absent in two exposed workers.

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Impact:

Provides crucial data on HEV occupational exposure in wastewater environments.
Suggests current occupational risk for sewage workers may be lower than anticipated.
Informs public health strategies for managing HEV transmission routes.