A nurse is caring for a child who has impetigo contagiosa that developed in the hospital. Which of the following actions should the nurse take?

A. Impetigo is highly contagious, and contact isolation precautions are necessary to prevent its spread to other patients and healthcare providers. B. Reporting impetigo contagiosa to the state health department is typically not required unless there is an outbreak, as it is a localized skin infection. C. Amphotericin B is used for fungal infections, not bacterial skin infections like impetigo. Antibiotics are required for treatment. D. Lidocaine ointment is used for pain relief but is not indicated for treating impetigo. Antibiotic treatment is required for the condition.