Table 3 Human seroprevalence of Echinococcus granulosus and E. multilocularis infection stratified by gender from three school-based surveys conducted in Xiji County in 2002–2003 (survey 1), 2006–2007 (survey 2) and 2012–2013 (survey 3)
| Â | E. granulosus | E. multilocularis | Total n (%) | ||
|---|---|---|---|---|---|
| Â | Positive n (%) | Negative n (%) | Positive n (%) | Negative n (%) | Â |
Survey 1 | 142 (16.8) | 703 (83.2) | 153 (18.1) | 692 (81.9) | 845 (100) |
Survey 2 | 799 (30.9) | 1789 (69.1) | 331 (12.8) | 2257 (87.2) | 2588 (100) |
Survey 3 | 765 (45.6) | 912 (54.4) | 141 (8.4) | 1536 (91.5) | 1677 (100) |
Total | 1706 (33.4) | 3404 (66.6) | 625 (12.2) | 4485 (87.8) | 5110 (100) |