Abstract:
:From 1985 to 1988, a total of 2496 swine sera from 60 farms in the Tohoku District of the Honshu Island of Japan were examined for antibodies to swine haemagglutinating encephalomyelitis virus (HEV), human coronavirus (HCV) and bovine coronavirus (BCV) by haemagglutination-inhibition (HI) test. Antibodies to HEV 67N strain and HCV OC43 strain were highly prevalent with positivity rates of 82.1 and 91.4%, respectively, while seropositivity rate to BCV Kakegawa strain was 44.2%. No clinical signs of HEV infection were noticed in any farms including farms with relatively high seropositivity. The results suggested that HCV or antigenitically related virus(es) as well as HEV might be perpetuated in swine in the Tohoku District.
journal_name
Epidemiol Infectjournal_title
Epidemiology and infectionauthors
Hirano N,Suzuki Y,Haga Sdoi
10.1017/s0950268899002332subject
Has Abstractpub_date
1999-06-01 00:00:00pages
545-51issue
3eissn
0950-2688issn
1469-4409journal_volume
122pub_type
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