Table 2.
Neuropathology | Virus strain | Weanling | Adults |
---|---|---|---|
Meningitis (Brain) | WNVNSW2011 | 2 | 1 |
MVE1-51 | 2 | 1 | |
Encephalitis (Brain) | WNVNSW2011 | 2 | 1 |
MVE1-51 | 3 | 1 | |
Meningitis (Olfactory bulbs) | WNVNSW2011 | 2 | 1 |
MVE1-51 | 2 | 1 | |
Encephalitis (Olfactory bulbs) | WNVNSW2011 | 2 | 0 |
MVE1-51 | 2 | 0 | |
Spinal Meningitis | WNVNSW2011 | 2 | 0 |
MVE1-51 | 1 | 0 | |
Myelitis | WNVNSW2011 | 2 | 0 |
MVE1-51 | 2 | 0 |
Neuropathology was scored using a 5-tiered system, with 0 indicating normal and 5 indicating severe and diffuse lesions. This scoring system takes into account of the severity and extensiveness of the lesions (see Table 4).