1. Covid-19 Dashboard for the Center for Systems Science and Engineering at Johns Hopkins University (JHU). https://gisanddata.maps.arcgis.com/apps/opsdashboard/index.html#/bda7594740fd40299423467b48e9ecf6
2. Transcript for the CDC Telebriefing Update on Covid-19. June 25, 2019. www.cdc.gov/media/releases/2020/t0625-COVID-19-update.html
3. Stolberg SG. Trump administration asks Supreme Court to strike down Affordable Care Act. New York Times, June 26, 2020. https://www.nytimes.com/2020/06/26/us/politics/obamacare-trump-administration-supreme-court.html
4. Blitzer R. Former CDC director on coronavirus spikes: ‘The virus has the upper hand.’ Fox News Sunday, June 28, 2020. https://www.foxnews.com/politics/former-cdc-director-on-coronavirus-spikes-the-virus-has-the-upper-hand
5. Johns Hopkins University Coronavirus Resource Center. Testing Hub. Which US states meet WHO recommended testing criteria? https://coronavirus.jhu.edu/testing/testing-positivity