Zarnke, R.L.

prevalence harbor antibody virus alaska herpesviru phhv -2 marine mammal phocid walrus species infection model osterhau disease herpesviruse european harbor seals collection serum sample wildlife result exposure phoca survey population lebich journal pinniped function al.-phocid herpesviruses serum antibody prevalence wildlife diseases transmission harbor seal serologic coast location effect russia study california -2. virology mortality borst response lesion animal evidence age data phocid herpesvirus 1990. netherland marine mammals period washington sea lions logit water zarnke valdez 1989. university kennedy exxon wildlife h 1994. otter threshold seals 156-164. lebicu steller terizatiomi tvpe -2 version 6.10 sas william sex-specific sea spill symposium steller walrus species