The Asia Pacific Participatory Epidemiology Network (APPEN) based at Chiang Mai University is holding its first Introductory Training for PE Practitioners. The course is divided into two 5-day sessions. The first session was held at Khon Kaen University from June 8 to 12. The course included 22 veterinary and public health participants from Thailand, Vietnam, Cambodia, Laos, Indonesia and China. Participants were sponsored by the RESPOND Project and by CIRAD though the SEA-PREID Network. The first session included 2 days of field work on the epidemiology and control of Opisthorchis liver fluke disease in man associated with the consumption of raw fish. The second session will be heldat Chiang Mai University from July 8 to 12, 2013. PENAPH and ILRI are providing trainers to led the program.