The 28th Regional Congress of the International Society of Blood Transfusion (ISBT) was successfully held in Guangzhou from 25 to 28 November, 2017. During the meeting, Prof. Evan Martin Bloch from Johns Hopkins Hospital gave an excellent presentation entitled “A pilot serosurvey of Babesia microti in Chinese blood donors”. We are honored to have invited Prof. Bloch for an interview to share his views on detection and treatment of babesiosis as well as current challenges.