Epidemiological characterisation of the first 785 SARS-CoV-2 Omicron variant cases in Denmark, December 2021-Reference-Cited by-同舟云学术

Epidemiological characterisation of the first 785 SARS-CoV-2 Omicron variant cases in Denmark, December 2021

Published:2021-12-16 Issue:50 Volume:26 Page:
ISSN:1560-7917
Container-title:Eurosurveillance
language:en
Short-container-title:

Author:

Espenhain Laura¹^ORCID,Funk Tjede²¹^ORCID,Overvad Maria¹^ORCID,Edslev Sofie Marie³^ORCID,Fonager Jannik⁴^ORCID,Ingham Anna Cäcilia³^ORCID,Rasmussen Morten⁴,Madsen Sarah Leth⁵,Espersen Caroline Hjorth¹,Sieber Raphael N.³^ORCID,Stegger Marc³^ORCID,Gunalan Vithiagaran⁴^ORCID,Wilkowski Bartlomiej⁶⁷,Larsen Nicolai Balle⁷^ORCID,Legarth Rebecca¹,Cohen Arieh Sierra⁷^ORCID,Nielsen Finn⁸,Lam Janni Uyen Hoa⁸,Lavik Kjetil Erdogan⁸,Karakis Marianne⁸,Spiess Katja⁴^ORCID,Marving Ellinor⁴^ORCID,Nielsen Christian⁶⁷,Wiid Svarrer Christina³^ORCID,Bybjerg-Grauholm Jonas⁹^ORCID,Olsen Stefan Schytte⁸,Jensen Anders⁶⁷,Krause Tyra Grove¹⁰,Müller Luise¹

Affiliation:

1. Infectious Disease Epidemiology and Prevention, Statens Serum Institut, Copenhagen, Denmark

2. European Programme for Intervention Epidemiology Training (EPIET), European Centre for Disease Prevention and Control, (ECDC), Stockholm, Sweden

3. Department of Bacteria, Parasites and Fungi, Statens Serum Institut, Copenhagen, Denmark

4. Virus and Microbiological Special Diagnostics, Statens Serum Institut, Copenhagen, Denmark

5. COVID-19 tracing Unit, Danish Patient Safety Authority, Copenhagen, Denmark

6. Danish National Biobank, Statens Serum Institut, Copenhagen, Denmark

7. TestCenter Denmark, Statens Serum Institut, Copenhagen, Denmark

8. The Data integration and Analysis Secretariat, Statens Serum Institut, Copenhagen, Denmark

9. Congenital disorders, Statens Serum Institut, Copenhagen, Denmark

10. Epidemiological Infectious Disease Preparedness, Statens Serum Institut, Copenhagen, Denmark

Abstract

By 9 December 2021, 785 SARS-CoV-2 Omicron variant cases have been identified in Denmark. Most cases were fully (76%) or booster-vaccinated (7.1%); 34 (4.3%) had a previous SARS-CoV-2 infection. The majority of cases with available information reported symptoms (509/666; 76%) and most were infected in Denmark (588/644; 91%). One in five cases cannot be linked to previous cases, indicating widespread community transmission. Nine cases have been hospitalised, one required intensive care and no deaths have been registered.

Publisher

European Centre for Disease Control and Prevention (ECDC)

Subject

Virology,Public Health, Environmental and Occupational Health,Epidemiology

Reference19 articles.

1. World Health Organization (WHO). Classification of Omicron (B.1.1.529): SARS-CoV-2 variant of concern. Geneva: WHO; 2021. Available from: https://www.who.int/news/item/26-11-2021-classification-of-omicron-(b.1.1.529)-sars-cov-2-variant-of-concern

2. Statens Serum Institut (SSI). Covid-19 – Danmark (kommunalt). [COVID-19 Denmark (by municipality)]. Copenhagen: SSI. [Accessed: 9 Dec 2021]. Danish. Available from: https://experience.arcgis.com/experience/aa41b29149f24e20a4007a0c4e13db1d/page/page_0

3. Statens Serum Institut (SSI). Covid-19 – Danmark (regionalt). [COVID-19 Denmark (by region)]. Copenhagen: SSI. [Accessed: 9 Dec 2021]. Danish. Available from: https://experience.arcgis.com/experience/aa41b29149f24e20a4007a0c4e13db1d/page/page_3

4. Danish Covid-19 Genome Consortium. Genomic overview of SARS-CoV-2 in Denmark. Copenhagen: Statens Serum Institut. [Accessed: 14 December 2021]. Available from: https://www.covid19genomics.dk/statistics

5. Spiess K, Gunalan V, Marving E, Nielsen SH, Jørgensen MGP, Fomsgaard AS, et al. Rapid surveillance platforms for key SARS-CoV-2 mutations in Denmark. medRxiv. 2021:2021.10.25.21265484. Preprint. https://doi.org/10.1101/2021.10.25.21265484

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