| | | | | Arthropod species & virus source(a) | Method of Infection log10/ml (b) | Incubation period (c) | Transmision by bite (d) | Assay of arthropod, log10/ml (e) |
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| Feeding | Injected | Days | °C | Host | Ratio | Whole | Organ | System |
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| | Culex molestus and Aedes aegytpi infected by feeding on virus-containing material showed virus titers of 1.0, 1.5, and 2.0 log10 LD50/0.01 ml on days 9, 14, and 19 following infection, respectively (ground mosquito suspensions titrated in suckling mice). Transmission of virus by bite to suckling mice not demonstrated (3). | | | | | | | | | | |
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