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
Comment
. 2022 Jun;84(6):834-872.
doi: 10.1016/j.jinf.2022.02.025. Epub 2022 Feb 26.

SARS-CoV-2 Omicron infection is associated with high nasopharyngeal viral load

Affiliations
Comment

SARS-CoV-2 Omicron infection is associated with high nasopharyngeal viral load

Gian Luca Salvagno et al. J Infect. 2022 Jun.
No abstract available

Keywords: COVID-19; Infectivity; Omicron; SARS-CoV-2; Viral load.

PubMed Disclaimer

Conflict of interest statement

Declaration of Competing Interest The authors have no relevant competing interest to disclose in relation to this work.

Figures

Fig. 1
Fig. 1
Nasopharyngeal viral load measured in subjects infected by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) between 3–9 January 2021 (Alpha variant prevalent) and 3–9 January 2022 (Omicron variant prevalent) Ct, cycle threshold.

Comment in

Comment on

References

    1. Zheng J., Wang Z., Li J., et al. High amounts of SARS-CoV-2 in aerosols exhaled by patients with Omicron variant infection. J Infect. 2022 doi: 10.1016/j.jinf.2022.02.015. Feb 17:S0163-4453(22)00075-5Epub ahead of print. - DOI - PMC - PubMed
    1. Liotti F.M., Menchinelli G., Marchetti S., et al. Evaluation of three commercial assays for SARS-CoV-2 molecular detection in upper respiratory tract samples. Eur J Clin Microbiol Infect Dis. 2021;40:269–277. - PMC - PubMed
    1. Migueres M., Raymond S F., Lhomme S., Mansuy J.M., Izopet J., et al. Influence of immune escape and nasopharyngeal virus load on the spread of SARS-CoV-2 Omicron variant. J Infect. 2022 doi: 10.1016/j.jinf.2022.01.036. Feb 7:S0163-4453(22)00054-8Epub ahead of print. - DOI - PMC - PubMed
    1. Lippi G., Nocini R., Henry B.M. Is SARS-CoV-2 Omicron (B.1.1.529) variant causing different symptoms? J Infect. 2022 doi: 10.1016/j.jinf.2022.02.011. Feb 17:S0163-4453(22)00077-9Epub ahead of print. - DOI - PMC - PubMed