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During an outbreak of Pediculosis capitis at a local school, a child exhibits profuse scalp itching and a scalp examination shows pale blue fluorescence under Wood's lamp. Which of the following is the best next step in management for this child?

1: Initiate antibiotic therapy for impetigo
2: Begin wet combing with a nit comb
3: Apply a topical antifungal cream
4: Use a topical anti-inflammatory shampoo