Table 1.

Characteristics of study population.

Parameters	Patients		Controls
	Acute	Convalescent
Study population	n = 56	n = 31	n = 56
Sex ratio (Male:Female)	1.80	0.29	1.54
Age (years): median (range)	38 (13−70)	40(18−82)	27(18−47)
POD: median (range)	12 (2−14)	33 (16−80)	NA
Anti-CHIKV IgM	Positive, n = 46	Positive	Negative
Anti-CHIKV IgG	Positive, n = 32	Positive	Negative
Viral load(copies/ml): median (range)	110 (3100−670000000), n = 23	ND	NA

NA, not applicable; ND, not detected; POD, post onset days of illness.