| seroprevalence of infectious bursal disease virus in free-living wild birds in japan. | serum samples collected from 739 free-living wild birds of 44 species from gifu, mie and hyogo prefectures in japan during the period 1989 to 1997 were tested for antibodies to infectious bursal disease virus (ibdv) serotypes 1 and 2 by a virus neutralization test. serological evidence of infection with serotypes 1 and 2 was found in 15 (2%) of the sera of 6 species and 36 (4.9%) of the sera of 11 species, respectively. antibodies to ibdv were detected from both sedentary and migratory species. ... | 1998 | 9853315 |