Table 1 Changes of schistosomiasis cases and snails’ infection status in Jiangling County from 2009 to 2019
Year | Disease situation | Snail situation | |||
|---|---|---|---|---|---|
Number of clinical chronic cases | Number of determined chronic cases | Number of. advanced cases | Snail infested area (hm2) | Area with infected snails (hm2) | |
2009 | 13 086 | 2158 | 1248 | 3030.73 | 136.68 |
2010 | 11 264 | 1602 | 1192 | 3030.23 | 133.06 |
2011 | 9187 | 1199 | 1190 | 3029.53 | 51.51 |
2012 | 6988 | 573 | 1141 | 2875.86 | 0.00 |
2013 | 4682 | 395 | 1287 | 2875.86 | 0.00 |
2014 | 4455 | 229 | 1234 | 2875.86 | 0.00 |
2015 | 3251 | 74 | 1220 | 2728.65 | 0.00 |
2016 | 4003 | 0 | 1205 | 2728.65 | 0.00 |
2017 | 2852 | 0 | 1111 | 2718.10 | 0.00 |
2018 | 2330 | 0 | 1098 | 2718.04 | 0.00 |
2019 | 2310 | 0 | 1073 | 2718.04 | 0.00 |