Question

A 6-month-old infant presents with a 2-day history of coryza, cough, and increasing respiratory distress with audible wheeze. Oxygen saturation is 91% in air. On examination, there are fine inspiratory crackles and expiratory wheezes. What is the most likely causative organism?

Accepted Answer

Respiratory Syncytial Virus (RSV)

Answer

Influenza A virus

Answer

Streptococcus pneumoniae

Answer

Human Metapneumovirus

Answer

Rhinovirus

Practice question

A 6-month-old infant presents with a 2-day history of coryza, cough, and increasing respiratory distress with audible wheeze. Oxygen saturation is 91% in air. On examination, there are fine inspiratory crackles and expiratory wheezes. What is the most likely causative organism?