I'm not so sure, we'd need to look at statistics for that.
Regardless background checks should be done; just like cleaning checks in commercial kitchens, you may be more likely to get sick from home cooking, that seems largely irrelevant.
Another analogue: Most child sexual abuse is by family members, I don't see that as a reason not to do background checks on care workers.
Regardless background checks should be done; just like cleaning checks in commercial kitchens, you may be more likely to get sick from home cooking, that seems largely irrelevant.
Another analogue: Most child sexual abuse is by family members, I don't see that as a reason not to do background checks on care workers.