国家自然科学青年基金1301454;国家重大科技专项2012ZX10004-220;中国疾病预防控制中心寄生虫病预防控制所监测预警团队建设项目;the National Natural Science Foundation of China for Young Scholar1301454;the National Major Special Science and Technology Project of China2012ZX10004-220;Team Building Project for Disease Surveillance and Early Warning in National Institute of Parasitic Diseases,Chinese Center for Disease Control and Prevention