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On March 11, 2020, the World Health Organization declared COVID-19 a pandemic.
A colleague revising their critical appraisal skills asks you to explain the difference between an epidemic and a pandemic (0.5 marks for each correct definition; maximum 1 mark).
The patient’s chest x-ray can be found below:
List two features that you can see on his chest x-ray specific to the acute respiratory distress syndrome associated with severe COVID-19 (0.5 marks for each correct feature stated; maximum 1 mark)
List two specific recognised risk factors associated with the development of acute respiratory distress syndrome (ARDS) and mortality in patients with COVID-19. (0.5 marks per correct answer; maximum 1 mark).