Alliance for Pandemic Preparedness

June 15, 2020

Duration of Viral Shedding in Asymptomatic or Mild Cases of Novel Coronavirus Disease 2019 (COVID-19) from a Cruise Ship: A Single-Hospital Experience in Tokyo, Japan.

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  • Miyamae et al. found the median duration of viral shedding among 23 passengers from the Diamond Princess cruise ship with asymptomatic or mild SARS-CoV-2 infection was 19 days (range 6-37 days) from initial viral detection. Eight people (35%) had another positive PCR result after testing negative once.  

Miyamae et al. (June 8, 2020). Duration of Viral Shedding in Asymptomatic or Mild Cases of Novel Coronavirus Disease 2019 (COVID-19) from a Cruise Ship: A Single-Hospital Experience in Tokyo, Japan. International Journal of Infectious Diseases. https://doi.org/10.1016/j.ijid.2020.06.020