Policy Brief, Updated in March 2017<br> Key messages<br> • Meaningful involvement of sex workers in the HIV response through peer-based education and outreach and consultation in policy making and programme planning is vital to reduce their vulnerability to HIV and other sexually transmitted infections (STIs) and ensure that the challenges they face are addressed adequately.<br> • Sex workers (female, transgender and male) have the right to protect their health through accessing comprehensive and evidence-informed HIV and sexual and reproductive health (SRH) interventions.<br> • Innovative HIV prevention strategies and creative use of combination interventions are needed to reach mobile and ”hard to reach” sex workers.