an epidemic of caprine arthritis encephalitis in japan: isolation of the virus. | a disease characterized by arthritis of carpal joints and occasionally by pneumonia was seen among goats on a farm in nagano prefecture of japan in the summer of 2002. serological investigation was done on 30 goats, that is one group on the farm by agar gel immunodiffusion tests using maedi-visna virus as the antigen, and 19 goats were positive. the caprine arthritis encephalitis virus genome was detected in peripheral blood leukocytes from several antibody-positive goats. two goats among them w ... | 2004 | 15353840 |