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To analyze the changes of schistosomiasis epidemic trend before and after the implementation of schistosomiasis integrated control strategy in China from 1999 to 2015, and to evaluate its effects in the process of schistosomiasis transmission control.
The epidemic data of schistosomiasis in China from 1999 to 2015 were collected, and the interrupted time series (ITS) method was used to analyze the changes of positive rate of blood test, positive rate of fecal test, number of acute schistosomiasis cases, number of cattle, and infection rate of cattle before and after the implementation of the comprehensive control strategy of schistosomiasis.
After the implementation of the integrated schistosomiasis control strategy, the number of acute cases (β2=-937.433, P < 0.001) and the infection rate of cattle (β2=-1.606, P=0.012) decreased immediately in 2005. After the implementation of the strategy, the positive rate of blood test (β3=-1.164, P < 0.001), the positive rate of stool test (β3=-1.157, P < 0.001), the number of acute cases (β3=-143.939, P < 0.001), and the infection rate of cattle (β3=-0.513,P < 0.001) showed a downward trend year by year, which had a long-term effect on the prevention and control of schistosomiasis.
From 2006 to 2015, the positive rate of blood test, the positive rate of stool test, the number of acute cases, and the infection rate of cattle in China showed a decreasing trend, indicating that in the advancing stage of schistosomiasis transmission control in China, the integrated schistosomiasis control strategy based on source of infection control has a significant effect on schistosomiasis control.
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| 科 Family | 属数 Number of genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) | 属 Genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) |
|---|---|---|---|---|---|---|
| 鹅膏菌科Amanitaceae | 2 | 11 | 5.26 | 鹅膏菌属 Amanita | 10 | 4.78 |
| 小菇科 Mycenaceae | 2 | 12 | 5.74 | 丝盖伞属 Inocybe | 5 | 2.39 |
| 多孔菌科 Polyporaceae | 8 | 14 | 6.70 | 蜡蘑属 Laccaria | 5 | 2.39 |
| 红菇科 Russulaceae | 3 | 23 | 11.00 | 小皮伞属 Marasmius | 6 | 2.87 |
| 小菇属 Mycena | 11 | 5.26 | ||||
| 光柄菇属 Pluteus | 5 | 2.39 | ||||
| 红菇属 Russula | 17 | 8.13 | ||||
| 栓菌属 Trametes | 5 | 2.39 |
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