Take everything out (Follow your rules for throwing out)

Wash down and disinfect the walls, the shelves, and door seal

Remove the grate at the bottom of the fridge and wash it thoroughly

Vacuum the dust built up behind the grate

Wash everything that is going back in (put like items together)

Rinse put in dishwasher or dispose of food containers (as instructed)

If possible pull out the fridge, vacuum backside