IBBS among SW by using RDS, Bangkok (Presentation)

2007, research study by TUC for accessing the feasibility of methodology for hidden population in Bangkok and Chiang rai.

2011, transferred to MOPH for strengthening the surveillance system among hidden population in 3 tourist provinces (Chiang mai, Chonburi and Phuket).

2013, MOPH expanded to Bangkok, Nakorn-rachasrima, and Rachburi.