| isolation of an apathogenic immunogenic strain of duck enteritis virus from waterfowl in california. | a herpesvirus isolated from waterfowl dying of duck enteritis (de) was tentatively designated the sheridan-83. it was serologically related to the original holland and lake andes (la) strains of duck enteritis viruses (dev). other biological characteristics indicated that the sheridan-83 was more closely related to the holland strain than to the la virus. the sheridan-83 was nonpathogenic to ducks, and ducks inoculated with this virus developed resistance to challenge with the virulent strain la ... | 1984 | 6091604 |