1. The White House. The president’s coronavirus guidelines for America. 30 days to slow the spread https://www.whitehouse.gov/wp-content/uploads/2020/03/03.16.20_coronavirus-guidance_8.5x11_315PM.pdf
2. Coronavirus covid-19 global cases by the Center for Systems Science and Engineering (CSSE) at Johns Hopkins University. https://gisanddata.maps.arcgis.com/apps/opsdashboard/index.html#/bda7594740fd40299423467b48e9ecf6
3. NYC Health. Covid-19: data. https://www1.nyc.gov/site/doh/covid/covid-19-data.page
4. Secon H, Woodward A. More than three-quarters of all Americans have been ordered to stay at home. This map shows which cities and states are under lockdown. Business Insider 2020 Apr 1 https://www.businessinsider.com/us-map-stay-at-home-orders-lockdowns-2020-3.
5. Hogan B. Cuomo blames ventilator shortage on competition with FEMA, states. New York Post 2020 March 31. https://nypost.com/2020/03/31/cuomo-blames-ventilator-shortage-on-competition-with-fema-states/