Table 2. Demographic and potential risk factors of the returned infected cases versus uninfected populations.

Parameters		Number of infected cases (%)	Number of uninfected populations (%)
Age
	21–30	2 (8)	5 (12.8)
	31–40	14 (56)	22 (56.6)
	41–50	9 (36)	12 (30.6)
Gender
	Male	25	39
	Female	0	0
Occupation in Iraq
	Engineer	3 (12)	7 (17.9)
	Construction worker	15 (60)	15 (38.5)*
	Transportation	5 (20)	16 (41)*
	Administrators	2 (8)	1 (2.6)
Exposure to dogs
	Yes	21(84)	10 (25.6)*
	No	4 (16)	29 (74.4)*
Use of DEET insect repellents
	Yes	16 (64)	31 (79.5)*
	No	9 (36)	8 (20.5)*

*indicates P value less than 0.05 between two groups.