Which entity is responsible for activating the disaster plan during a mass casualty incident?

The Federal Emergency Management Agency (FEMA) plays a crucial role in activating the disaster plan during a mass casualty incident. FEMA is primarily responsible for coordinating the response to disasters that occur within the United States and provides support to state and local governments during large-scale emergencies. It develops and maintains disaster response plans and works with various agencies to ensure that resources and personnel can be mobilized rapidly when a mass casualty event occurs.

In this context, FEMA's involvement is essential for the effective management of resources, communication, and logistics required to handle a mass casualty situation effectively. The agency also manages financial assistance for local governments and organizations to help them respond adequately to such emergencies.

While other organizations like the National Institutes of Health, World Health Organization, and Centers for Disease Control and Prevention play significant roles in public health and research, they do not have the primary responsibility for activating disaster plans on the ground during mass casualty incidents. Their focus is more on research, disease control, and guiding public health initiatives rather than direct management of disaster response.