Re: 12/1 Alska AMPS=294 +4=283
Infectious disease is the gift that keeps giving!
Some or all of the following may be helpful, either as a one time deal, or more frequently.
Go through the entire food prep area and clean and disinfect vigorously.
Wash and disinfect all plates and utensils used in feeding, as well as flooring in all areas.
Between preparing different meals, disinfect utensils and feeding areas.
A 1:10 solution of bleach to water may be used as a soak of otherwise clean plates and utensils. If the debris isn't off these, bleach or other disinfectant can't work properly.
Any indoor litter boxes will need disinfecting. The trick is to do it without making it smell offensive to the cats! Scrub down with unscented bleach, rinse well, and air dry. If you can use disposable bags to remove the litter, this will remove much of any contaminated feces from the boxes where a healthy animal could step in it. You may want to listen for litter box use and immediately scoop if you can. You might do a complete litter box replacement daily, although that can be expensive. If it cuts down on infection transmission or retransmission, it may be worth it.
You could be a source of fomites - infectious material that is on you or your clothing. Obviously these means a thorough scrub down for you with cleansers and whatever you can tolerate in the way of disinfectant or antiseptic. One option is 70% isopropyl alcohol - anything higher and the bacteria will wall it off so it can't work. Chlorhexidine wash is used before surgery to disinfect the skin too; it may not require a prescription. Other options include commercial antibacterial products. This also means washing all your clothing which could have come in contact with the ill animals. A bleach product may be used if safe for the fabrics or you might look for disinfecting laundry products, possibly at a commercial supply company for laundries.
Because all this washing and disinfecting can become onerous, you might pick up some disposable painter's coveralls, including shoe covers, to provide a layer between you and the animals for most of your body.