Title
Hepatitis E virus infection : an emerging occupational risk? Hepatitis E virus infection : an emerging occupational risk?
Author
Faculty/Department
Faculty of Medicine and Health Sciences
Publication type
article
Publication
Oxford ,
Subject
Human medicine
Source (journal)
Occupational medicine. - Oxford
Volume/pages
65(2015) :8 , p. 667-672
ISSN
0962-7480
ISI
000367826700014
Carrier
E
Target language
English (eng)
Full text (Publishers DOI)
Affiliation
University of Antwerp
Abstract
Background Hepatitis E virus (HEV) infection is endemic in many developing countries, causing substantial morbidity. Transmission is primarily faeco-oral and is associated with both sporadic infections and epidemics in areas where poor sanitation and weak public health infrastructures exist. Recently, it has become clear that HEV is also an endemic disease in industrialized countries. Moreover, a porcine reservoir and growing evidence of zoonotic transmission have been reported in these countries, suggesting the possibility of occupational transmission to man. Aims To summarize the current knowledge on the epidemiology and prevention of transmission of HEV infection in occupational settings. Methods The following key words were used to explore PubMed: hepatitis E, disease, epidemiology, profession(al), occupation(al). Results After screening of the results, 107 publications were retained. In non-endemic regions, seroprevalence varied from a few per cent (27.8%) in Europe, Japan and South America to 18.220.6% in the USA, Russia, UK, southern France and Asia. A meta-analysis of 12 cross-sectional studies evaluating HEV immunoglobulin G (IgG) seroprevalence in individuals occupationally exposed to swine showed greater odds of seropositivity in the exposed group but also a high degree of heterogeneity. A funnel plot suggested publication bias. Conclusions There was a significant association between occupational exposure to swine and HEV IgG seroprevalence, but the level of prevalence detected depended also on the type of HEV IgG kits used. Further research, including on mechanisms and risk factors for infection, as well as the development of better serological tests for identification of infection, is required.
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