Guardo, G. di

virus morbilliviru dolphin infection morbilliviruse evidence animal mammal coast cetacean barrett marine morbillivirus infection duignan species situation population osterhau phocine distemper virus lake baikal seals cdv vn test marine mammals porpoise microbiology cetacean species whale european distemper a.d.m.e phoca atlantic visser epizootic 261-265 mediterranean sequence encephalitis italian coast seropositive harp seals phosphoprotein gene 1993. lake baikal sample phoca sibirica harbour antibody european seals 44. porpoise morbilliviruses mamaev seal species issue baikal seal populations elisa morbillivirus antibodies phocine microbiology 44 disease nucleocapsid protein gene domingo pinniped lesion titre department field variety distemper field strains tissue osterhaus h ainstitute pneumonia branch lengths arc virological workshop 4 january 1995 rt /pcr test pdv elisa sera marine fisheries service origin