title: Use of frozen chick and duck embryo cells for plaque assays of arboviruses and rickettsiae.
mesh_terms: D000818:Animals; D001103:Arboviruses / Q000032:analysis*; D002478:Cells, Cultured; D002642:Chick Embryo; D004372:Ducks / Q000196:embryology*; D004666:Encephalitis Virus, Venezuelan Equine / Q000032:analysis; D004667:Encephalitis Virus, Western Equine / Q000032:analysis; D004668:Encephalitis Viruses / Q000032:analysis; D005615:Freezing; D012281:Rickettsia / Q000032:analysis*; D012284:Rickettsia rickettsii / Q000032:analysis; D012672:Semliki forest virus / Q000032:analysis; D014721:Vesicular stomatitis Indiana virus / Q000032:analysis; D010948:Viral Plaque Assay