Table 1. Process, issues, methods and recruitment.

Steps in the Process	Methods used	Target Population	Recruitment	Analysis
Phase 1. Staff training	Training Vietnamese staff: dengue, Wolbachia entomology, social research	Entomologists, Anthropologist	None
Outcomes	Social science staff (2) develop a literature and database on peer reviewed & grey literature on dengue history, management, bio-control, GM in Vietnam and internationally.
Phase 2. Socio-political context: Governmental and of release Baseline data – qualitative	1st Workshop with Leaders. Sought advice/input on nature and from of engagement & authorization, socio-political structures, key stakeholders, communication materials, initial responses to Wolbachia strategy	Senior national, provincial, district and commune leaders, scientists and health providers	Purposive: Identified by senior Vietnamese Project staff, representatives from MoH.	Responses recorded. Anon. Questionnaire distributed and analyzed
	Introduction of social science staff to TNI community and leaders, September 2009	Residents and Leaders of TNI	Leaders known to senior entomologist.	Recorded as field notes.
	In-depth interviews (A) (n = 10) Aims: history, socio-political structure, engagement, demographics, dengue history of TNI, September 2009	Local leaders TNI & residents with specific knowledge of these issues.	Purposive: Identified by senior entomologist	Audio recorded Analysis in NVivo
Outcomes	In depth interviews A (n = 10) and informal discussions with Pasteur Institute, local mosquito control, health & Project staff used to develop questionnaire for household survey, and content of presentations, stakeholder contact list and future interviews with residents.
Baseline data – quantitative.	Household survey (n = 100) residents. Aims: demographic information (name, age, gender, occupation, education level); identify important local health issues; lay knowledge of dengue, its vectors, control methods, and disease risk; and early responses to the Wolbachia strategy	Local residents TNI	Random sample.	Analysis in SPSS
Outputs	Draw on results from activities above to: Develop community profile and stakeholder contact list; Develop presentation for future focus group style meetings with Residents and Leaders; Develop in depth interview guide for future interviews with Residents; Modify communication materials
Phase 3: feedback and update Leaders finalize CP, SL and comm. Materials.	2nd Workshop with Leaders Feedback on progress and science. Sought further advice/input on nature and form of engagement, authorization, communication materials, & responses to Wolbachia strategy	Local & district leaders, government representatives, health providers & mosquito. control staff.	By invitation. Purposive, those in leadership roles in govt. and health	Responses recorded. Anon. questionnaire distributed and analyzed - SPSS.
Outputs	Finalize TNI community profile and stakeholder contact list. Finalize presentation for future meetings/workshops with Residents and Leaders. Finalize in-depth interview guide for future interviews with Residents Finalize communication materials
Phase 3. Research with residents. Aims: Inform, identify questions and concerns, acceptability, engagement and authorization	January 2010, Community meetings TNI residents.	Members of local unions, leaders and health staff	Sampled purposively by invitation.	Audio recorded Anon. questionnaire
	March 2010, Community meetings TNI Residents and Residents interviews (n = 10).	Local Residents and Leaders TNI	Random sample: participants are invited using flyers and through announcements over the loud speaker in the community.	Audio recorded Field notes NVivo Anon. quest. SPSS
	May 2010, Community meetings TNI and NT Residents and Residents interviews (n = 10)	Local Residents & Leaders TNI & NT
	July 2010, Community meetings, TNI Residents	Local Residents and Leaders TNI
Outputs	Draw on results from above activities to: Identify and include any new insights, questions, concerns or calls for more information into presentations, flyers and communication materials. See results section for details.
Phase 4. Update on progress of social research, science and feedback results.	3rd Workshop with Leaders. Updated on progress and results of both social and scientific research. Sought further advice/input on regulatory approval process and responses to Wolbachia strategy	Same as LFG #2	Purposive. Invitation.	Responses recorded. Anon. quest. distributed and analyzed
Outputs	Draw on results from above activities to: Identify and include any new insights, questions, concerns or calls for more information into presentations, flyers and communication materials. See results section for details.
Phase 5. Design engagement strategy	Draw on results from all activities to: Create a formal engagement strategy: which includes key stakeholders identified in the research and engages at least one householder from each home on TNI; Finalize communication materials, flyers, presentations for future use; Continue to liaise with govt officials, feedback community responses. See results section for details. Await outcomes of VN Govt. regulatory approvals for a release.