Epidemiology of Blastocystis sp. infection in China: a systematic review Lei Deng, Yijun Chai, Ziyao Zhou, Haifeng Liu, Zhijun Zhong, Yanchun Hu, Hualin Fu, Chanjuan Yue and Guangneng Peng Parasite, 26 (2019) 41 Published online: 16 July 2019 DOI: 10.1051/parasite/2019042