Skip to main page content
U.S. flag

An official website of the United States government

Dot gov

The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you’re on a federal government site.

Https

The site is secure.
The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely.

Access keys NCBI Homepage MyNCBI Homepage Main Content Main Navigation
. 2021 Feb;82(2):282-327.
doi: 10.1016/j.jinf.2020.08.044. Epub 2020 Aug 29.

Viral transmission in asymptomatic cases of SARS-CoV-2 infection

Affiliations

Viral transmission in asymptomatic cases of SARS-CoV-2 infection

Isabelle Grall et al. J Infect. 2021 Feb.
No abstract available

PubMed Disclaimer

Figures

Fig. 1
Fig. 1
CT threshold for different environmental samples during the 8 days of monitoring.

Comment in

References

    1. Huang L., Zhang X., Zhang X. Rapid asymptomatic transmission of COVID-19 during the incubation period demonstrating strong infectivity in a cluster of youngsters aged 16-23 years outside Wuhan and characteristics of young patients with COVID-19: a prospective contact-tracing study. J Infect. 2020;80:e1–e13. doi: 10.1016/j.jinf.2020.03.006. - DOI - PMC - PubMed
    1. Rothe C., Schunk M., Sothmann P. Transmission of 2019-nCoV infection from an asymptomatic contact in Germany. N Engl J Med. 2020;382:970–971. doi: 10.1056/NEJMc2001468. - DOI - PMC - PubMed
    1. Chan J.F.-W., Yuan S., Kok K.-.H. A familial cluster of pneumonia associated with the 2019 novel coronavirus indicating person-to-person transmission: a study of a family cluster. Lancet. 2020;395:514–523. doi: 10.1016/S0140-6736(20)30154-9. - DOI - PMC - PubMed
    1. Mizumoto K., Kagaya K., Zarebski A., Chowell G. Estimating the asymptomatic proportion of coronavirus disease 2019 (COVID-19) cases on board the Diamond Princess cruise ship, Yokohama, Japan, 2020. Euro Surveill. 2020;25 doi: 10.2807/1560-7917.ES.2020.25.10.2000180. - DOI - PMC - PubMed
    1. Wei W.E., Li Z., Chiew C.J. Presymptomatic Transmission of SARS-CoV-2—Singapore, January 23–March 16, 2020. MMWR Morb Mortal Wkly Rep. 2020;69:411–415. doi: 10.15585/mmwr.mm6914e1. - DOI - PMC - PubMed