This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pediatrics
Drug of choice for Prophylaxis of Bronchialitis in a child with heart disease 
Select and explain. 
A. Ribavirin, B. Doxycycline, C. Palivizumab, D. Penicillin V
C: Palivizumab
Answer: C: Palivizumab 
Explanation: Treatment for Bronchiolitis in a child with co-morbidities is inhaled Ribavirin.
Drug of choice for prophylaxis of Bronchialitis in a child with co-morbidities is Palivizumab.