Table 1.

Clinical symptoms of studied travellers. Travellers with confirmed dengue virus infection are compared with febrile travellers without dengue (negative dengue serology and negative dengue RT-PCR).

	Travellers with confirmed dengue infection (n = 69)	Febrile travellers without dengue (n = 1,035)	OR (95% CI) confirmed vs. fever controls
Fever (%)	56/69 (81.2)	1,035/1,035 (100)	-
Headache (%)	41/66 (62.1)	460/941 (48.9)	1.7 (1.0–3.0)
Muscle pain (%)	33/66 (50.0)	354/940 (37.7)	1.7 (0.98–2.8)
Diarrhoea (%)	30/69 (43.5)	397/1,035 (38.4)	1.2 (0.7–2.1)
Nausea (%)	15/67 (22.4)	189/944 (20.0)	1.2 (0.6–2.2)
Skin rash (%)	16/68 (23.5)	85/948 (9.0)	3.1 (1.6–5.9)