What The Study Did: Under a range of assumptions of presymptomatic transmission and transmission from individuals with infection who never develop symptoms, the model presented here estimated that more than half of transmission comes from asymptomatic individuals.
Author: Jay C. Butler, M.D., of the U.S. Centers for Disease Control and Prevention in Atlanta, is the corresponding author.
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(doi:10.1001/jamanetworkopen.2020.35057)
Editor's Note: The article includes funding/support disclosures. Please see the article for additional information, including other authors, author contributions and affiliations, conflict of interest and financial disclosures, and funding and support.
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