How clean is clean?

I understand one of the biggest risks to chemotherapy patients in the risk of infection.  So, I am doing everything I can, in terms of housework, to minimise this risk before my husband enters treatment on Monday.  I've written to our family and friends and asked they're really careful about visiting if they've got a cough/cold, just back from holiday etc. I have anti bac hand wash and gel in the kitchen/bathroom, I plan to change beds and towels twice weekly (we have separate bedrooms), and am getting into the habit of wiping down (disinfecting) every surface in the kitchen daily.  I also have a regime for the bathroom: anti bac wipes for the loo, paper hand towels for guests etc. I just want to make sure I haven't overlooked something really obvious. Can you offer any advice?

Thanks in advance