Nils Anders Tegnell (born 17 April 1956) is a Swedish civil servant and physician specialising in infectious disease. From 2013 until his resignation in March 2022 he was Sweden's state epidemiologist.Tegnell has had key roles in the Swedish response to the 2009 swine flu pandemic and the COVID-19 pandemic. During the COVID-19 pandemic in 2020, he became a divisive figure in Sweden and internationally due to his and the Public Health Agency of Sweden's opposition to lockdowns, travel restrictions and face masks for general use, which were widely adopted in many countries to curb the spread of the virus, as well as for his leading role in Sweden's controversial approach.
