1. Sverige Radio. Tegnell: Fler åtgärder hade behövts. 3 Jun 2020. https://sverigesradio.se/sida/artikel.aspx?programid=83&artikel=7487188
2. John Hopkins University. Covid-19 dashboard. https://coronavirus.jhu.edu/map.html.
3. Daily confirmed covid-19 deaths per million, rolling 7-day average. Our World in Data. https://ourworldindata.org/grapher/daily-covid-deaths-per-million-7-day-average.