available for populations most at risk, through the Sentinel Surveillance of STI and HIV Strategy (VICITS).Provide testing that leads to active linkage to HIV treatment and prevention services.Improve early HIV diagnosis through active case-finding strategies, including:Testing as outreach for populations most at risk for HIV.Index, provider-initiated, and community testing.Social network strategy.Self-testing.Support the integration of comprehensive care and treatment services, including for HIV, TB, and other opportunistic infections.Build capacity of healthcare workers to provide high-quality health services led by the country, and through continuous quality improvement (CQI) initiatives.Make sure adequate data systems are used to monitor progress toward 95-95-95 targets and other global health priorities.Support sustainable health systems that improve:Efficiency.Country ownership of the program.Global health security to fight priority infectious diseases and other public health threats.