Q1. A 4-month old infant presents with low grade fever, wheezing and respiratory distress of 24 hours duration. His two siblings also had similar symptoms recently. On exam he is working hard to breath, has audible wheezing, tachypnea and rhinorrhea. His pulse oximetry is 93% on room air. What is your preliminary diagnosis?
a. Asthma
b. Cystic fibrosis
c. Coronavirus
d. Croup
e. Respiratory syncytial virus
