Table 1. Characteristics of individuals tested positive by serology in Cambodia and Vietnam.

		Symptomatic cases	Asymptomatic or mild cases
Country of origin		Vietnam	Cambodia
Number of positive H5N1 cases		11	31
deaths		6	0
Median age in years (min - max)		18 (6–35)	12 (2–77)
Gender (male)		33.3%	48.4%
Median follow - up periods (in weeks)		5	28.5
Min - Max in weeks		1–139	7–51
Blood draws (n = 101)		47	54
# of individuals with 1 blood draw (%)		4 (42%)	8 (26%)
# of individuals with 2 or more blood draws (%)		7 (58%)	23 (74%)
# of individuals with 3–12 blood draws (%)		5 (45%)	0