Received: 1 April 2017
Accepted: 2 January 2018
First Online: 15 January 2018
Ethics approval and consent to participate
: The experimental methods involving sera used in this study were in accordance with the approved guidelines and regulations of the Key Laboratory of Parasite and Vector Biology, Ministry of Health. The collection of sera and study protocol in the endemic area were embedded in a control pilot. Ethical clearance of this pilot had been granted approval by the Ethics Committee of the National Institute of Parasitic Diseases, Chinese Center for Disease Control and Prevention in Shanghai, China (permit number 2011-005). The objectives, procedures, and potential risks were orally explained to all participants. A written consent form was also obtained from each participant with the participant’s signature or that of a proxy.
: Not applicable.
: The authors declare that they have no competing interests.
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