Do not panic. Anyone can get head lice, adults, or children. Head lice are most often passed from person-to-person by direct contact and sometimes from shared items, such as combs, clothing, towels, or helmets. It does not mean your child is dirty, and you should not be embarrassed.
Website to look at- https://www.cdc.gov/parasites/lice/
Here is some information that may help you get through your visit with the lice.