| 18. | Zenner and Russell, [25] Year: 2005 Country: Vanuatu Type of Study: Descriptive | Participants: Government Officials, NGO workers Number: 14 Female: Not Stated Male: Not Stated Age: Not Stated | Data Collection Tools: Interview Sampling Method: Purposive sampling Place: Health care based
| Barriers 1. Lack of awareness 2. inaccessible services |
| 19. | Wong et al. [58] Year: 2013 Country: USA Type of study: Retrospective | Participants: Young adults & Parents Number: 95 Female: Not Mention Male: Not Mention Age: Not Mention | Data Collection Tools: Questionnaires, Focus groups, Sampling method: Unknown Place: Community based | Strategies 1. Community engagement 2. Gender mixed events 3. Online Training |
| 20. | Vallely et al. [19] Year: 2015 Country: Hong Kong Type of study: Retrospective | Participants: Heterosexual & MSM male Number: 2281 Male: MSM 1331 Heterosexual: 950 | Data Collection Tools: Screening Test Sampling Method: Purposive Sample Place: Community based | Strategies 1. Population level viral load measures |
| 21. | Operario et al. [59] Year: 2012 Country: PNG Type of Study: Mixed method | Participants: Young women & Men, Sex workers, invulnerable individuals Number: 28 Male: 12 [17 - 52 yrs, mean age 30] Female: 6 [16 - 42 yrs, mean age 25] | Data Collection Tool: Interview Sampling Method: Purposive Place: Community based | Strategies 1. Intravaginal Practices |
| 22. | Choi et al. [60] Year: 2005 Country: USA Type of Study: Descriptive | Participants: API men sex men Number: 1196 Male: Not reported Age: 18 - 83 yrs. | Data Collection Tool: Questionnaire Sampling Method: Snowball Place: Community based | Strategies 1. Education |