A nurse is reinforcing teaching with a parent of a child who has acute group A beta-hemolytic streptococci. Which of the following instructions should the nurse include in the teaching?

Replace the child's toothbrush after 24 hours of taking antibiotics.

Intramuscular injections will be required monthly.

Keep the child home from school for at least 1 week.

Avoid the use of warm compresses around the head or neck.