- National Institute for Public Health and the Environment (RIVM): https://www.rivm.nl/en
- FAQ from Ministry of Education: https://www.rijksoverheid.nl/onderwerpen/coronavirus-covid-19/veelgestelde-vragen-over-coronavirus-en-het-onderwijs
- Ministry of Health, Welfare and Sports: https://www.government.nl/ministries/ministry-of-health-welfare-and-sport
- Worldwide statistics: https://www.worldometers.info/coronavirus/