Do you have carpets?
Getting them professionally steamed is a good idea. Get your upholstery done too, and the mattresses.
Clean all dining room chairs and kitchen stools, also tables, counters, breakfast bars.
Clean all bathroom surfaces daily - taps, flush handles, loo lid and seat and bowl, doorknobs, cupboard doors, mop floors, clean sink. Scrub the bath or shower after each use and rinse. Steam cleaning is best.
Stuffed animals in beds? Put them all in the washer and dryer, or freezer for a few weeks if you don't have a dryer.
Clean the beds (headboards, wooden parts)
themselves with a damp cloth and dish detergent. Or a steam cleaner.
If you are drying bedding, underwear, towels, kitchen towels, and night clothes on a clothes line or over radiators, do them in a dryer instead. If you don't have a dryer, take the laundry to a launderette. Ironing with a hot iron can be useful too.
Hose down any plastic / washable laundry baskets you're using after each load goes into the washing machine.
Throw out any fancy wicker/ cloth laundry baskets. The eggs are too hard to dislodge from cloth and wicker.
Everyone should undress only in the bathroom, never in a carpeted area. Take clothes off slowly and carefully and place in a plastic laundry basket. No ripping clothes off or flinging them.
Clean the laundry area with a wet mop/ cloth and hot water and vinegar after every use.
If your washing machine is in your kitchen, mop the floor every time you use the machine.
Clean all car seats and car surfaces that are frequently touched in the car (door handles, levers, window and lock buttons, steering wheel).
Clean all lunch boxes very thoroughly, inside and out.
All water bottles need to be put through the dishwasher.
Clean bike handles and saddles.
Trim all fingernails. Use nail brushes.
Everyone needs to wash hands thoroughly as soon as they enter the house, after every trip to the loo, and always before eating. You should wash hands before preparing all food.
Wipe your phone daily.
Pumpkin seeds can be useful too.