Table 1.

Characteristics of individuals enrolled in this study in Thailand.

Characteristics	Nora	Asyb	Symc
	(n = 11)	(n = 19)	(n = 21)
Age in years at sampling, median (range)	NA	30 (11–50)	23 (17–50)
Gender (male %)	NA	63	90
Median parasitemia % (range)	0	0.003d (0.0006–0.2020)	0.600 (0.002–2.900)

^aHealthy malaria naive adult residents in malaria-free Bangkok who had no history of travelling outside the region. NA: not available.

^bAsymptomatic malaria defined as body temperature ≤ 37.5 °C with any parasitemia.

^cSymptomatic malaria defined as body temperature > 37.5 °C with any parasitemia, but not signs of complicated malaria.

^dStatistically significant by Mann Whitney U test.