A 52-year-old nonsmoker Vietnamese woman without any past medical history presented at the emergency department in May 2018 for a 2-week history of cough.

A 70-year-old patient presented to the emergency department with a productive cough and fever for 15 days. He had no general status alteration, no chest pain, no dyspnoea, no haemoptysis and no other symptoms. He was a current cigar smoker, with a >20 pack-years smoking history, and had a past medical history of high blood pressure treated with telmisartan and a polypectomy for benign colon polyp 1 year ago. He had no professional exposures. He was French and had lived in Hanoi, Vietnam, for >10 years.