Fig. 2

Cohort study flowchart. CAP community acquired pneumonia, RTI respiratory tract infection, COPD chronic obstructive pulmonary disease. ^aInclusion before the COVID-19 pandemic (between December 2nd 2019 and February 17th 2020). ^bInclusion during the COVID-19 pandemic (between September 25th 2020 and May 31st 2021). ^cPatients were excluded due to other diagnoses, most frequently non-infectious exacerbation of COPD; heart failure; other infection; and pulmonary embolism. ^di.e. exacerbation of COPD/asthma other lower respiratory tract infections