Append the following to the rule “Infirmary”:

If a Citizen in the Infirmary with a Wound would be moved to any floor outside of the infirmary, they instead remain on their current floor.

A Citizen may destroy a Medical Supplies item from their inventory to remove up to two total Wounds from Citizens in the Infirmary.
A Citizen with an Unpleasant memory is Endangered whenever they share a non-Infirmary floor with a Citizen who has a Blaster or a Taser.
A Citizen with a Tinfoil hat doesn’t believe in such things as Wormholes, or “Earth”. They don’t have a doppleganger, and if they ever do it is removed and has no location.