Within BADU, the Office of Substance Use Care supports and promotes a continuum of prevention and care, grounded in harm reduction and other evidence-based, best practices, to address drug and alcohol use for all New Yorkers while striving to strengthen availability and access to a true continuum of care, encompassing prevention, harm reduction, treatment, recovery and whole-person health for people who use drugs and alcohol. BADU develops, implements, and evaluates interventions and prevention strategies through contracting of prevention, treatment, recovery and support services; policy analysis and development; epidemiology and surveillance; dissemination of treatment and management guidelines; harm reduction initiatives; public and provider outreach and education; and community involvement and interagency collaboration.