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

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

Intramuscular injections will be required monthly.

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

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