Table 2. Clinical signs associated with MIDV and SINV infections in horses, South Africa, 2008–2013*.
| Clinical sign | SINV, no. (%), n = 8 | MIDV, no. (%), n = 44 |
|---|---|---|
| Fever | 5 (62.5) | 20 (45.5) |
| Ataxia | 2 (25.0) | 16 (36.4) |
| Unspecified neurologic signs | 2 (25.0) | 14 (31.8) |
| Muscle fasciculation | 0 | 4 (9.0) |
| Muscle weakness | 1 (12.5) | 2 (5.0) |
| Depression, listlessness | 1 (12.5) | 10 (22.7) |
| Hepatitis/Icterus | 0 | 1 (2.0) |
| Limb paresis, paralysis | 0 | 7 (15.9) |
| Recumbency | 2 (25.0) | 6 (13.6) |
| Tachycardia | 0 | 6 (13.6) |
| Tachypnea, dyspnea | 0 | 5 (11.4) |
| Fasciculations | 0 | 4 (9.1) |
| Seizures | 0 | 2 (4.5) |
| Abortion |
0 |
1 (2.0) |
| *MIDV, Middelburg virus; SINV, Sindbis virus. | ||