Table 1.
Prevalence and intensity of multiple zoonotic organisms identified in environmentally collected canine fecal samples from an indigenous Canadian community
| Pathogen | Prevalence* | Intensity† | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Neighborhood 1 | Neighborhood 2 | Neighborhood 3 | Landfill | Total | Minimum | Median | Mean | Maximum | |
| Helminths | |||||||||
| Toxocara canis | 12/48 (33%) | 6/43 (16%) | 6/25 (24%) | 2/39 (5%) | 26/155 (17%) | 3 | 80 | 826 | 6,250 |
| Echinococcus granulosus | 1/48 (2%) | 5/43 (12%) | 3/25 (12%) | 0/39 (0%) | 7/155 (5%) | 4 | 15 | 22 | 75 |
| Protozoa | |||||||||
| Giardia spp. | 28/48 (58%) | 32/43 (74%) | 15/25 (60%) | 20/39 (51%) | 95/155 (61%) | 33 | 2,200 | 9,266 | > 55,000 |
| Cryptosporidium spp. | 2/48 (4%) | 2/43 (5%) | 0/25 (0%) | 1/39 (3%) | 5/155 (3%) | 5 | 18 | 29 | 68 |
| Bacteria | |||||||||
| Campylobacter spp. | 17/20 (85%) | 15/20 (75%) | 13/20 (65%) | na | 45/60 (75%) | na | na | na | na |
| Campylobacter jejuni | 6/20 (30%) | 5/20 (25%) | 9/20 (45%) | na | 20/60 (33%) | 1.6 × 104 | 9.6 × 104 | 2.9 × 105 | 2.3 × 106 |
| Campylobacter upsaliensis | 8/20 (40%) | 7/20 (35%) | 5/20 (25%) | na | 20/60 (33%) | 6.0 ×103 | 5.0 × 104 | 8.6 × 105 | 1.3 × 107 |
*
Proportion of fecal samples tested that contained the zoonotic organism of interest.
†
Number of infectious units per gram of feces (1 infectious unit = 1 egg for T. canis and E. granulosus, 1 cyst for Giardia spp., 1 oocyst for Cryptosporidium spp., and 1 bacterium for Campylobacter spp.)