| | | | | Vertebrate (species and organ) and arthropod | No. isolations/No. tested | No. with antibody/No. tested Test used | Country and region |
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| | * Compiled from many sources; incomplete listing. | | ** Isolations during epizootic period in 1982. | | | | Man: About 25 isolations in Massachusetts, New Jersey, Louisana, Gulf Coast States (brain). One from blood (10). Antibody in 8-9% in endemic areas of US and Panama; up to 29% in Brazil; 17% in Dominican Republic, 1948-49. One death in Czechoslavakia (18). | | | | | Horses: Several hundred isol.(brain); Antibody in >0% in some enzootic areas. | | | | | Pheasants (Eastern US): Over 100, mostly from brain. | | | | | Wild birds: Many isol. (blood, also liver and spleen). Antibody rate high in residents of enzootic areas. At least 86 species susceptible; none known not susc. (11). | | | | | Wild rodents: 2 isol.: white-footed mice in N.J., Nov. 30 (blood) and Dec. 27, 1962 (brain); antibody in white-footed mouse and meadow vole (12). Several isol. in Brazil from Oryzomys, Proechimys, and Marmosa (13). From Apodemus in Czechoslavakia (18). Dog (puppy): Isolation (brain) NW Florida. | | | | | Monkey: one isol. (brain), Philippine Is. (14). | | | | | Goat: 2/14 immune, Dominican Republic, 1949. | | | | | Cows: 6/17 immune, Dominican Republic 1949. | | | | | Arthropods *: Numerous isol. from mosquitoes in endemic areas; few from other arthropods. U.S. Main vector for birds, Culiseta melanura. Also from An crucians, Cq pertubans, Cx restuans, Cx salinarius, Cx quinque-salinarius, Ae vexans, Cx nigripalpus, Ae mitchellae, Ae fulvus pallens, Ae sticticus, Ae atlanticus; Culicoides sp., Eomenocanthus stramineus, Dermanyssus gallinae, Eusimulium johannseni, Simulium meridionale. | | | | | Other areas: Ae taeniorhynchus, Cx taeniopus (Brazil): Cx taeniopus, Cx nigripalpus (Trinidad); Cx pipiens quinquefasciatus (Bangkok, Thailand (16)). Aedes sollicitans 3/470 ** isolations, So. coastal areas, New Jersey, USA (34). | | | |
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