A 56-year-old woman of South Indian origin presented with 2 weeks of cough, fever, malaise and dyspnoea ,with no response to amoxicillin. She was generally well with mild hypertension, type 2 diabetes controlled with metformin, hypothyroidism and vitamin D deficiency. There were no other relevant exposures, previous imaging, lung function or other investigations. Initial observations: temperature 38.2°C, blood pressure 112/76 mm Hg, RR 24, SpO 94% on 3 L/min of O via nasal cannulae.
