We briefly summarize what is known about the impact of trauma on infants and toddlers, and the intervention strategies that could potentially protect them from the adverse consequences of traumatic experiences. We focus on interventions that support parents in providing the stable and nurturing caregiving that is responsive to the child's general developmental needs and that promotes children's sense of safety and security. Such interventions may reduce or provide a buffer against infants' traumatic experiences. Finally, we consider how child care, Early Head Start, home visitation, and child welfare can become trauma-informed infant/toddler service delivery systems. (author abstract)