Fig. 3From: Testing for coronarvirus disease 2019 before cardiac surgery—safe outcome of infected patientsDistribution over time of 326,995 subjects with a SARS-CoV-2 PCR positive test among the population of 975,500 inhabitants (34%) in Stockholm during 2020 and 2021 Official statistics from The Public Health Agency of Sweden (https://www.folkhalsomyndigheten.se).Back to article page