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Assessing Testing Strategies and Duration of Quarantine in Contact Tracing for SARS-CoV-2: A Retrospective Study of
M J A Reid1,2, P Prado2, H Brosnan3
1Division of HIV, ID and Global Medicine, Department of Medicine, Zuckerberg San Francisco General Hospital and Trauma Center, San Francisco, California, USA.
Abstract:
We sought to assess the proportion of elicited close contacts diagnosed with coronavirus disease 2019 at the start of and before exiting quarantine in San Francisco. From June 8 to August 31, 6946 contacts were identified: 3008 (46.3%) were tested, 940 (13.5%) tested positive, and 90% tested positive in the first 9 days of quarantine.
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