According to Maryland regulations, when caring for a child you must wash your hands:
When arriving for the day
When moving between groups of children
Prior to eating
After you have eaten
Food handling
Before and after giving a child food
Before and after giving meds
After playing outdoors
After sensory play such as sand or water tables
After diapering
After doing toilet
Fluid handling (e.g. blood or vomit)
After wiping noses, mouths or Cuts
Animal handling
Garbage Handling