1. WHO. Coronavirus disease (COVID-19) Situation Report - 154. Geneva, Switzerland: WHO.https://www.who.int/docs/default-source/coronaviruse/situation-reports/20200622-covid-19-sitrep-154.pdf?sfvrsn=d0249d8d_2. Published June 22, 2020. Accessed June 22, 2020.
2. NYC coronavirus disease 2019 (COVID-19) data. New York City Department of Health. https://github.com/nychealth/coronavirus-data. Updated daily. Accessed June 22, 2020.
3. Overview of testing for SARS-CoV-2. Centers for Disease Control and Prevention (CDC). www.cdc.gov/coronavirus/2019-ncov/hcp/clinical-criteria.html. Updated July 2, 2020. Accessed April 13, 2020.
4. The lost month: how a failure to test blinded the U.S. to Covid-19;Shear;New York Times,2020
5. Testing for COVID-19. Centers for Disease Control and Prevention (CDC).www.cdc.gov/coronavirus/2019-ncov/symptoms-testing/testing.html. Updated June 24, 2020. Accessed April 13, 2020.