[neecheepure]

Screen for allergies and prescribed meds; make sure you've got those bases covered both medically and legally (i.e, who can administer what in what situation in the state you're working in, and wavers signed, etc) before you worry about a mass cas.

Just my two cents, but I'd focus most of my planning on the little bird turds most likely to hit the fan rather than that once in a million wagon-load of manure being thrown into the windmill. Best thing you can do for a catastrophe is have a good comms plan in place!