Siegel, JD. et al. 2007 Guideline for Isolation Precautions: Preventing Transmission of Infectious Agents in Healthcare Settings. https://www.cdc.gov/infectioncontrol/guidelines/isolation/index.html
Rothe, C. et al. Transmission of 2019-nCoV infection from an asymptomatic contact in Germany. N Engl J Med. 382 (10), 2020, 970-1.
Wei, WE. et al. Presymptomatic transmission of SARS-CoV-2 - Singapore, January 23-March 16, 2020. Morb Mortal Wkly Rep. 69 (14), 2020, 411-5.
Sah, P. et al. Asymptomatic SARS-CoV-2 infection: A systematic review and meta-analysis. Proc Natl Acad Sci U S A. 118 (34), 2021, e2109229118.