Shemsy was one month old (3.8 kg) without any particular risk factors. Her parents referred her to the emergency room because of grunting and hypotonia. She had rhinitis for several days with a cough for 48 hours following a viral contamination 3 days prior. She presented with apnea, desaturation, bradycardia and altered consciousness. She was intubated and ventilated immediately, and then transferred to intensive care.