Fig. 1From: Third dose mRNA vaccination against SARS-CoV-2 reduces medical complaints seen in primary care: a matched cohort studyFlowchart of the matching process. “Excluded: Non-eligible persons” include individuals with 0 or 1 dose; vaccinated with 2nd dose after September 13, 2021; less than 140 days between 2nd and 3rd dose; or dying or migrating before 2nd doseBack to article page