These are often extremely difficult to reach for critical testing, care, and treatment services due to structural barriers and high mobility. Globally rates of key populations accessing safe, effective and quality health services are extremely low, while stigma and discrimination, including gender- based violence, are high. Significant
barriers, such as police harassment, societal discrimination and insufficient community- based capacity, prevent key populations from accessing the services they need. The targeted high-risk populations include people living with disabilities, people who use drugs, male and female sex workers etc.