A nurse is providing teaching to a parent of a child who has acute group A B-hemolytic streptococci. Which of the following information should the nurse include in the teaching?

Replace the child's toothbrush after 24 hr on antibiotics.

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

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

Intramuscular injections will be required monthly.