A nurse is providing teaching to the parents of a child who has streptococcal pharyngitis about ways to prevent disease transmission. Which of the following responses by the parents indicates an understanding of the teaching?

A. Taking the temperature every 4 hours is important for monitoring but does not prevent transmission. B. Encouraging fluids is important for hydration but does not prevent the spread of infection. C. Giving Tylenol for pain management is appropriate but does not prevent disease transmission. D. Discarding the toothbrush and buying a new one after 24 hours of antibiotic therapy helps prevent re-infection and transmission of bacteria.