Table 2. Prevalence of intestinal parasitic infections among 1041 food handlers, aged 18-64 years in Sari, northern Iran, 2011-2012.

Intestinal parasite	n	Positive (%) n = 162	Positive (%) n = 1041
Single infection
G. lamblia	82	50.9	7.9
B. hominis	29	18	2.8
E. coli	25	15.5	2.4
E. histolytica	9	5.6	0.8
Cryptosporidium spp.	5	3.1	0.5
I. butschlii	5	3.1	0.5
H. nana	3	1.9	0.3
Double infection
G. lamblia + I. butschlii	2	1.3	0.2
H. nana + E. coli	1	0.6	0.1
Total infected	161	100	15.5