A nurse is evaluating teaching about infection control with the caregiver of a school-age child who has rubella.Which of the following statements by the caregiver indicates an understanding of the teaching?

"I will take my child for a walk in the hallway today.”.

"I will contact my pregnant friend who visited my child a day before the rash appeared.”.

"I won't send my child to school for seven days after the rash disappears.”.

"I will keep my child's door closed when I visit.”. .