Table 2. Change in the positivity rates of intestinal protozoa in patients with diarrhea from study areas in China during 2011–2015 and 2019–2021.
| Period | Region | Pathogen, No. of positive/No. of examined (%) | ||||
| Intestinal protozoa | Cryptosporidium spp. | G. duodenalis | E. bieneusi | C. cayetanensis | ||
| Note: The study areas were Shanghai, Zhenjiang, and Danyang.
* Implementation results of 2011–2015 points out the 12th Five-Year Plan period. † Implementation results of 2019–2021 points out the 13th Five-Year Plan period. | ||||||
| 2011–2015*
|
Shanghai | 24/1,087 (2.21) | 11/1,087 (1.01) | 4/1,087 (0.37) | 3/1,087 (0.28) | 6/1,087 (0.55) |
| Zhenjiang | 6/1,032 (0.58) | 0/1,032 (0) | 2/1,032 (0.19) | 3/1,032 (0.29) | 1/1,032 (0.10) | |
| Danyang | 28/1,578 (1.77) | 15/1,578 (0.95) | 7/1,578 (0.44) | 3/1,578 (0.19) | 3/1,578 (0.19) | |
| Total | 58/3,697 (1.57) | 26/3,697 (0.70) | 13/3,697 (0.35) | 9/3,697 (0.24) | 10/3,697 (0.27) | |
| 2019–2021† | Shanghai | 14/558 (2.51) | 11/558 (1.97) | 2/558 (0.36) | 1/558 (0.18) | 0/558 (0) |
| Zhenjiang | 4/466 (0.86) | 0/466 (0) | 4/466 (0.86) | 0/466 (0) | 0/466 (0) | |
| Danyang | 13/620 (2.10) | 0/620 (0) | 5/620 (0.81) | 5/620 (0.81) | 3/620 (0.48) | |
| Total | 31/1,644 (1.89) | 11/1,644 (0.67) | 11/1,644 (0.67) | 6/1,644 (0.28) | 3/1,644 (0.18) | |