Omicron in Denmark: 76% of cases fully vaxxed; 7% more were boosted; 4% had natural immunity/ Euro Surveilance

83% of Omicron cases identified in Denmark had been vaccinated.  There were 14 deaths during the two week period surveilled, and none were due to Omicron.

Euro Surveill

2021 Dec;26(50).

 doi: 10.2807/1560-7917.ES.2021.26.50.2101146.

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

Laura Espenhain 1, Tjede Funk 1 2, Maria Overvad 1, Sofie Marie Edslev 3, Jannik Fonager 4, Anna Cäcilia Ingham 3, Morten Rasmussen 4, Sarah Leth Madsen 5, Caroline Hjorth Espersen 1, Raphael N Sieber 3, Marc Stegger 3, Vithiagaran Gunalan 4, Bartlomiej Wilkowski 6 7, Nicolai Balle Larsen 6, Rebecca Legarth 1, Arieh Sierra Cohen 6, Finn Nielsen 8, Janni Uyen Hoa Lam 8, Kjetil Erdogan Lavik 8, Marianne Karakis 8, Katja Spiess 4, Ellinor Marving 4, Christian Nielsen 6 7, Christina Wiid Svarrer 3, Jonas Bybjerg-Grauholm 9, Stefan Schytte Olsen 8, Anders Jensen 6 7, Tyra Grove Krause 10, Luise Müller 1

• PMID: 34915977
 
• DOI: 10.2807/1560-7917.ES.2021.26.50.2101146

Free article

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.