HIV prevention, behavioral interventions, combination prevention, positive health dignity and prevention (PHDP), cash transfers, pre-exposure prophylaxis (PrEP), community empowerment, HIV testing, HIV care and treatment, serosorting, sex workers, men who have sex with men (MSM), people living with HIV (PLHIV), fishing communities, qualitative research, systematic review, meta-analysis, guidelines, sub-Saharan Africa, India, Tanzania, Swaziland, Botswana, Uganda, Togo, Burkina Faso, Cameroon, Dominican Republic, Peru, Nepal