What is the numerical range for a 'multiple casualty' incident?

What is the numerical range for a 'multiple casualty' incident?

• A. 1 to 2 individuals.
• B. 2 to 99 individuals.
• C. 5 to 10 individuals.
• D. 100 to 199 individuals.

Answer: (B)

A multiple casualty incident is defined by having more patients than routine resources can handle, but not reaching the threshold for a mass casualty. The standard range used in many EMS and disaster-management contexts is two to ninety-nine individuals. This means once there are two or more victims, responders move into MCI procedures, and when there are one hundred or more, it’s considered a mass casualty incident. This distinction helps guide when to activate extra resources, organize triage, and bring in mutual aid, ensuring the response scales appropriately to the number of people affected.

A multiple casualty incident is defined by having more patients than routine resources can handle, but not reaching the threshold for a mass casualty. The standard range used in many EMS and disaster-management contexts is two to ninety-nine individuals. This means once there are two or more victims, responders move into MCI procedures, and when there are one hundred or more, it’s considered a mass casualty incident. This distinction helps guide when to activate extra resources, organize triage, and bring in mutual aid, ensuring the response scales appropriately to the number of people affected.