| Number (n = 59) | Percentage |
---|---|---|
Body temperature (°C) | ||
 35–36.9 | 40 | 67.8 |
 37–37.4 | 12 | 20.3 |
  ≥ 37.5 | 7 | 11.9 |
Clinical status | ||
 Asymptomatic | 38 | 64.4 |
 Symptomatic | 21 | 35.6 |
Clinical signs | ||
 Clinical signs | 12 | 20.3 |
 Headache | 5 | 8.5 |
 Pale conjunctivitis | 8 | 13.6 |
 Abdominal pain | 1 | 1.7 |
 Arthralgia | 4 | 6.8 |
 Nausea | 2 | 3.2 |
 Vomiting | 3 | 5.1 |
 Diarrhoea | 1 | 1.7 |