Article Figures & Data
Tables
- Table 1.
Electronic microscopy, viral culture, real-time PCR, and E. coli culture results for 2006-2008 “viral” stool samples in Alberta and northern territories of Canada
Yr (no. of samples) Median patient age (yr) (interquartile range) for all included samples No. of samples positive/total no. tested (% positive) for: Median patient age (yr) (interquartile range) for Stx-positive samples) Types of stx genes (n) No. culture positive on nonselective and/or selective solid medium/total no. Stx positive (%) Enteric virus, tested by EMa Norovirus Virus, tested by viral cultureb Enteric bacteria, tested by enteric culturec Stx, tested by real-time PCR 2006 (960) 11 (1.2–60)d 46/855 (5.4)e 45/86 (52.3)f 6/61 (9.8)g 6/189 (3.2)g 10/960 (1.0)f 6.5 (4.8–58)h stx1 (5), stx2 (1), stx1 and stx2 (4) 0/10 (0)i 2007 (712) 7 (1.1–49)d 43/666 (6.5)e 18/52 (34.6)f 1/47 (2.1)g 6/140 (4.3)g 16/712 (2.3)f 2.5 (1.4–52)h stx1 (11), stx2 (2), stx1 and stx2 (3) 6/16 (38)i 2008 (1,053) 19 (1.4–54)d 35/1018 (3.4)e 17/45 (37.8)f 0/22 (0)g 2/108 (1/9)g 12/1053 (1.1)f 10 (1.4–22)h stx1 (7), stx2 (1), stx1 and stx2 (4) 9/12 (75)i Total (2,725) 12.5 (1.2–55) 124/2539 (4.9) 80/183 (37.8) 7/130 (5.4) 14/437 (3.2) 38/2725 (1.4) 10 (1.8–50) stx1 (23), stx2 (4), stx1 and stx2 (11) 15/38 (39.5) ↵a Enteric viruses detected by electron microscopy (EM) in the different years: 2006, 5 adenovirus and 41 rotavirus; 2007, 3 adenovirus, 39 rotavirus, and 1 small round structured virus; 2008, 8 adenovirus, 25 rotavirus, and 2 small round structured virus.
↵b Viruses isolated by culture in the different years: 2006, 1 adenovirus and 5 enterovirus; 2007, 1 enterovirus.
↵c Bacteria isolated by enteric culture in the different years: 2006, 2 Campylobacter jejuni, 2 Clostridium perfringens, 1 Aeromonas caviae, and 1 Salmonella Poona; 2007, 3 Salmonella Typhimurium, 1 Salmonella Hadar, 1 Aeromonas caviae, and 1 Campylobacter jejuni; 2008, 1 Aeromonas caviae and 1 Plesiomonas shigelloides.
↵d P < 0.05 by Kruskal-Wallis test.
↵e P < 0.05 by chi-square test.
↵f Not significant by chi-square test.
↵g Not significant by Fisher exact test.
↵h Not significant by Kruskal-Wallis test.
↵i P < 0.05 by Fisher exact test.
- Table 2.
Shiga-toxigenic E. coli isolated from patient stool from Alberta and Northern Territories
Yr Serotype Patient age stx type(s) Stool appearance 2007 O26:H11 83 yr stx1 Liquid, brown Orough:H11 3 yr stx1 Liquid, brown O11:H30 3 yr stx1 Liquid, brown O157:H16 2 yr stx1/stx2 Solid, brown O6:H16/O103:H25 31 yr stx1 Liquid, brown 2008 O145:HNM 8 mo stx1 Liquid, tan O26:HNM 13 yr stx1 Liquid, brown O69:H11 52 yr stx1 Solid, brown O26:H11 6 mo stx1 Liquid, yellow Orough:HNM 16 mo stx1 Semisolid, brown O121:H19 10 yr stx1/stx2 Liquid, brown O157:H7 48 yr stx1/stx2 Liquid, brown O157:H7 3 yr stx1/stx2 Liquid, brown O103:H25 16 yr stx1 Semisolid, brown
