Hepatitis E in Norway: seroprevalence in humans and swine

In Norway, no published data on seroprevalence of hepatitis E virus (HEV) in humans and swine exists. Serum samples from blood donors, veterinarians, swine farm workers and swine were analysed by ELISA to estimate the seroprevalence of HEV in Norway and to investigate the association between direct...

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Bibliographic Details
Published in:Epidemiology and infection 2017-01, Vol.145 (1), p.181-186
Main Authors: LANGE, H., ØVERBØ, J., BORGEN, K., DUDMAN, S., HODDEVIK, G., URDAHL, A. M., VOLD, L., SJURSETH, S. K.
Format: Article
Language:English
Subjects:
Adult
Age
Aged
Aged, 80 and over
Animals
Antibodies
Blood & organ donations
Confidence intervals
Developing countries
Enzyme-Linked Immunosorbent Assay
Farmworkers
Female
Hepatitis
Hepatitis Antibodies - blood
Hepatitis E
Hepatitis E - epidemiology
Hepatitis E - veterinary
Hepatitis E virus
Hepeviridae
Humans
Immunoglobulin G - blood
Infections
LDCs
Male
Middle Aged
Norway - epidemiology
Occupational Exposure
Original Papers
Pharmacy
Questionnaires
Seroepidemiologic Studies
Serology
Surveys and Questionnaires
Swine
Swine Diseases - epidemiology
Veterinarians
Viral infections
Young Adult
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Summary:In Norway, no published data on seroprevalence of hepatitis E virus (HEV) in humans and swine exists. Serum samples from blood donors, veterinarians, swine farm workers and swine were analysed by ELISA to estimate the seroprevalence of HEV in Norway and to investigate the association between direct contact with swine and HEV seroprevalence in humans. The seroprevalence of HEV IgG antibodies was 30% (24/79) in farm workers, 13% (21/163) in veterinarians, 14% (162/1200) in blood donors and 90% (137/153) in swine. Our results show a high seroprevalence of HEV in humans and swine in Norway. HEV seroprevalence in farm workers and blood donors increased with age, and veterinarians working with swine were twice as likely to be HEV seropositive compared to other veterinarians. High HEV seroprevalence in farm workers and veterinarians working with swine support previous reports suggesting swine as a reservoir for HEV infections in humans in Europe.
ISSN:0950-2688
1469-4409
DOI:10.1017/S0950268816002144