| epidemiology of bovine ephemeral fever virus infection in taiwan. | sick animals with excessive nasal discharges and protruding tongue as a result of dyspnea were observed in the august of 1996. eight strains of bef virus were isolated from heparinized blood samples of the affected cattle. most of the affected cattle were difficult to be treated and had a poor prognosis. a total of 516 farms in the 9 districts of taiwan were affected in 1996. among a population of 110,247 dairy cattle, 14,993 (13.6%) cattle were found to be clinically ill. during the epidemic, 1 ... | 1998 | 9880933 |
| identification and pcr-restriction fragment length polymorphism analysis of a variant of the ibaraki virus from naturally infected cattle and aborted fetuses in japan. | one hundred fourteen field isolates of the ibaraki virus (ibav), a member of the epizootic hemorrhagic disease virus serotype 2 (ehdv-2), were isolated from blood samples of affected and apparently healthy cattle and culicoides biting midges and from blood samples of dams and internal organs of aborted fetuses during an outbreak of ibaraki disease in the southern part of japan in 1997. in this outbreak, 242 cattle showed typical symptoms of the disease, and several hundred dams had miscarriages ... | 1999 | 10565887 |