What The Study Did: This study delineates the transmission dynamics of coronavirus disease 2019 (COVID-19) and evaluates the transmission risk at different exposure window periods before and after symptom onset.
Authors: Hsien-Ho Lin, M.D., Sc.D., of the National Taiwan University in Taipei, is the corresponding author.
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(doi:10.1001/jamainternmed.2020.2020)
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