1. Enforcement policy for viral transport media during the Coronavirus disease 2019 (COVID-19) public health emergency: guidance for commercial manufacturers, clinical laboratories, and Food and Drug Administration staff Publication: [Silver Spring, MD] : Center for Devices and Radiological Health, Office of Product Evaluation and Quality, July 2020 Subject(s): Culture MediaSpecimen HandlingTransportationVirus DiseasesCOVID-19United StatesUnited States. Department of Health and Human Services.United States. Food and Drug Administration.