Michigan Coronavirus Cases Tracking The Covid 19 Pandemic
www.freep.com
Coronavirus Disease 2019 Case Surveillance United States January 22 May 30 2020 Mmwr
www.cdc.gov
Early Epidemiological Analysis Of The Coronavirus Disease 2019 Outbreak Based On Crowdsourced Data A Population Level Observational Study The Lancet Digital Health
www.thelancet.com