To monitor changes to the problem. They need to be able to see the changes.
Prepare gas mask
Gas mask filters depending on how many family members you have
Prepare weapons when people get scared they do stupid stuff
Med kits you may have an encounter with another person who needs it or you may need it
And bring lots of water and food
Answer:
yes absolutely
Explanation:
most foods have some form of bacteria in them and your immune system fights off the bad bacteria but it also keeps the good bacteria from affecting you in a bad way so yes you would have food allergies if your immune system didn't work