| | | | | Experimental host and age | Passage history and strain | Inoculation Route-Dose | Evidence of infection | AST (days) | Titer log10/ml | |
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| | Mice (nb) | Ibaraki-2,10th | ic | Death | 3-4.5 | 7.5 | | | Mice (nb) | | ip | | | | | | Mice (nb) | | sc | | | | | | Mice (wn) | | ic | Survival | | | | | Mice (wn) | | ip | | | | | | calves (1-2 yr) | Ibaraki-5,1st | iv, ocular instillation, mucous membrane scarification. | Virus serially passaged 7-8 times in calves by iv inoc. of blood. Fever, leukopenia consistently observed. In other instances additional signs of the disease were observed (2, 4). | | | | | | Kyushu-1 | iv | | | | | | eggs (4-5 day) | Ibaraki-2, 1st | ys | Death (4, 8) | | | | | rabbits (yg ad) | | iv, ic | Survival, no antibody (4, 8) | | | | | guinea pigs (wn) | | ic, ip, in | Survival, no antibody (4, 8) | | | | | sheep | | iv | No pathogenicity, low infectivity (4, 8) | | | | | | | | | | | |
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