Table 1 The origin and location of 434 non-O157 STEC isolates used in this study.
Source | Location | Sampling year | No. of samples | No. of stx-positive | No of ehxA-positive (%)* |
|---|---|---|---|---|---|
Goat | Henan | 2009 | N/A | 28 | 12 (42.9%) |
Yak | Qinghai | 2012 | 728 | 128 | 66 (51.6%) |
Plateau Pika | Qinghai | 2012, 2012, 2015 | 1116 | 22 | 15 (68.2%) |
Marmots | Qinghai | 2012, 2013 | 335 | 8 | 4 (50.0%) |
Tibetan antelope | Qinghai | 2014 | 505 | 5 | 4 (80.0%) |
Pig | Chongqing, Beijing, Guizhou, Shandong, Heilongjiang | 2011, 2012, 2013, 2015 | 1181 | 135 | 1 (0.7%) |
Cattle/Cow | Shandong, Heilongjiang | 2009, 2013, 2015 | 605 | 14 | 6 (42.9%) |
Raw meat | Beijing, Sichuan | 2013, 2014 | 853 | 60 | 20 (33.3%) |
Diarrhoeal patient | Henan, Shenzhen, Shanghai, Sichuan | 2010, 2012, 2013, 2014, 2016 | N/A | 30 | 9 (33.3%) |
Healthy carrier | Qinghai, Shenzhen | 2013, 2014 | 2058 | 4 | 1 (25.0%) |
Total | Â | Â | Â | 434 | 138 (31.8%) |