Table 1 Characteristics of samples used in the study

Fever day onset, mean (SD)

5 (1.5)

N/A

N/A

Age, median (IQR)

14 (8–22)

34 (25–46)

43 (34–52)

Age

N (%)

Children ≤ 18 years

35 (58)

2 (2.1)

0 (0.0)

Adults > 18 years

25 (42)

78 (82.1)

49 (100)

Gender

Male

28 (47)

49 (51.6)

34 (69.4)

Female

32 (53)

31 (32.6)

15 (30.6)

Serotype

DENV-1

15 (25)

N/A

N/A

DENV-2

15 (25)

N/A

N/A

DENV-3

20 (33)

N/A

N/A

DENV-4

10 (17)

N/A

N/A

Immunologic status

Primary dengue infection

10 (17)

N/A

N/A

Secondary dengue infection

50 (83)

N/A

N/A

Presence of anti-dengue antibodies

IgG ( +), IgM ( +)

21 (35)

N/A

N/A

IgG ( +), IgM (−)

16 (27)

N/A

N/A

IgG (−), IgM ( +)

14 (23)

N/A

N/A

IgG (−), IgM (−)

9 (15)

N/A

N/A