Table 3 Frequency of patients meeting different VHF suspect case definitions upon admission

Total N

2616

1178

523

4317

Three general symptoms (e.g. vomiting, headache, diarrhoea, nausea, etc.) and fever ≥37.5 °C or history of fever (Definition 2) – n/N (%)

212/2616 (8.1)

153/1178 (13.0)

235/523 (44.9)

600/4317 (13.9)

Any haemorrhagic sign (Definition 2) – n/N (%)

36/2616 (1.4)

42/1178 (3.6)

8/1178 (1.5)

86/4317 (2.0)

Fever ≥38.0 °C and any haemorrhagic sign (Definition 3) – n/N (%)

0/2616 (0.0)

16/1178 (1.4)

2/523 (0.4)

18/4317 (0.4)

Fever ≥38.0 °C and bloody diarrhea, gingival hemorrhage, purpura, conjunctival injection, hematuria (Definition 4) – n/N (%)

0/2616 (0.0)

10/1178 (0.8)

2/523 (0.4)

12/4317 (0.3)