This Systematic Review addresses the mental health of the Emergency Medical Services (EMS) and 911 telecommunicator workforces. We addressed Key Questions (KQs) related to the: (1) incidence, prevalence, and severity of mental health and occupational stress issues; (2) benefits and harms of interventions to promote resistance and resilience regarding these issues; (3) contextual and implementation factors for practices to address these issues; and (4) future research needs.
