What is a "sheltering-in-place" strategy?

The "sheltering-in-place" strategy refers to a method of staying indoors in order to avoid exposure to hazardous conditions that may be present outside. This strategy is often employed during emergencies such as chemical spills, severe weather events, or other incidents where it is safer to remain inside rather than evacuate. When individuals shelter in place, they typically seal off windows and doors, turn off ventilation systems, and remain in a designated safe area within the building, which can help minimize their risk of exposure to harmful substances or dangerous conditions outside.

In contrast, the other options represent different approaches to emergency situations. Evacuating to a safer location involves leaving an area that is deemed unsafe, which is not aligned with the concept of sheltering in place. Setting up temporary shelters focuses on providing a safe space for those who need refuge, while conducting search and rescue operations involves actively seeking out individuals who may be in danger, all of which diverge from the aim of simply staying indoors to ensure safety from external threats.