In the event of a biological attack, duct tape is used to seal all openings. This way, the contaminated air has a more difficult time getting into you
environment. I don't know how it would hold off zombies though. And your first link isn't working.
* Water (1 gallon per person per day)
* Food (stock up on non-perishable items that you eat regularly)
* Medications (this includes prescription and non-prescription meds)
* Tools and Supplies (utility knife, duct tape, battery powered radio, etc.)
* Sanitation and Hygiene (household bleach, soap, towels, etc.)
* Clothing and Bedding (a change of clothes for each family member and blankets)
* Important documents (copies of your driver’s license, passport, and birth certificate to name a few)
* First Aid supplies (although you’re a goner if a zombie bites you, you can use these supplies to treat basic cuts and lacerations that you might get during a tornado or hurricane)
How To Prepare For a Biological Attack
* Assemble a disaster supply kit, including:
* Battery-powered commercial radio with extra batteries
* Non-perishable food and drinking water
* Roll of duct tape and scissors
* Plastic for doors, windows, and vents for the room in which you will shelter in place. To save time during an emergency, sheeting should be pre-measured and cut for each opening.
* First aid kit
* Sanitation supplies, including soap, water and bleach