[Effect of comprehensive schistosomiasis control measures in Kaihua County from 1996 to 2015].

Objective: To evaluate the control effect of comprehensive measures of schistosomiasis after its transmission interruption in Kaihua County, Zhejiang Province, so as to provide the references for further consolidation of schistosomiasis control.

Methods: The data of snail survey and control, as well as environmental reform in Kaihua County were collected and analyzed from 1996 to 2015.

Results: From 1996 to 2015, totally 2 635 snail habitats and 102.

N'-[1-(4-Amino-phen-yl)ethyl]pyrazine-2-carbohydrazide.

The title compound, C(13)H(13)N(5)O, crystallizes with two mol-ecules in the asymmetric unit. The crystal structure is stabilized by intra-molecular N-H⋯N and N-H⋯O hydrogen bonds. The dihedral angles between the pyrazine ring and the 4-aminolphenyl ring are 2.