12th January 2024

A 74-year-old woman is brought into A&E by ambulance with severe shortness of breath, productive cough and fever.

A 74-year-old woman is brought into A&E by ambulance with severe shortness of breath, productive cough and fever. She was seen in A&E one week ago with fever and malaise, at which time a point-of-care influenza test was positive. Following an initial assessment, she is diagnosed with a CURB-4 community-acquired pneumonia and transferred to ICU. Which is the most common causative organism for this patient’s pneumonia?

Select the SINGLE most appropriate option from the list below. Select ONE option only.