Centers for Disease Control and Prevention
https://www.cdc.gov/coronavirus/2019-ncov/index.html
Maryland Department of Health
https://phpa.health.maryland.gov/Pages/Novel-coronavirus.aspx
Gov. Larry Hogan's COVID-19 Updates and Mandates
https://governor.maryland.gov/coronavirus/
Johns Hopkins COVID-19 Mapping
https://systems.jhu.edu/research/public-health/ncov/