Confirmed cases have been reported by 27 EU/EEA countries: Austria (71), Belgium (121), Croatia (8), Cyprus (3), Czech Republic (10), Denmark (383*), Estonia ( 6), Finland (34), France (170), Germany (102), Greece (10), Hungary (2), Iceland (40), Ireland (42), Italy (27), Latvia (14), Liechtenstein ( 2), Lithuania (2), Luxembourg (1), Netherlands (123), Norway (1 792**), Portugal (69), Romania (11), Slovakia (3), Slovenia (10), Spain (51) and Sweden (51), according to information from public sources. In addition, several countries have reported a number of possible cases.
Although initially reported cases were related to travel, an increasing number of cases have now been reported acquired within the EU/EEA, including as part of clusters and outbreaks, with cases also being detected in representative surveillance systems .
Preliminary analysis of primary Omicron VOC cases reported to the European Surveillance System (TESSy) shows that imported or travel-related cases account for 22 (13%) cases, while 121 (70%) of cases reported to TESSy were acquired locally. , including 78 (45%) cases sampled as part of local investigations into the outbreak.
EU/EEA countries that have reported cases unrelated to epidemiological travel include Belgium, Denmark, Finland, Hungary, Iceland, Ireland, Norway, the Netherlands, Portugal, Romania, Spain and Sweden. This indicates that undetected community transmission could be ongoing in the EU/EEA.
All cases in the EU/EEA for which information on severity is available were either asymptomatic or mild. Within the EU/EEA, no Omicron-related deaths have been reported to date. These data should be evaluated with caution, as the number of confirmed cases is too low to understand whether the clinical spectrum of Omicron’s disease differs from previously detected variants.
Countries and territories outside the EU/EEA reported 12 620 confirmed cases. The 58 countries that have reported confirmed cases are: Algeria, Argentina, Australia, Bahrain, Bangladesh, Bermuda (UK), Botswana, Brazil, Cambodia, Canada, Chile, China, Cuba, Fiji, Ghana, Gibraltar (UK) , India, Indonesia, Israel, Japan, Jordan, Kenya, Kuwait, Lebanon, Malawi, Malaysia, Maldives, Mauritius, Mexico, Morocco, Namibia, Nepal, New Zealand, Nigeria, Oman, Pakistan, Philippines, Russia, Rwanda, Saudi Arabia Saudi Arabia, Senegal, Sierra Leone, Singapore, South Africa, South Korea, Sri Lanka, Switzerland, Taiwan, Thailand, Trinidad and Tobago, Tunisia, Turkey, Uganda, UAE, UK, USA, Zambia and Zimbabwe.
On December 13, 2021, the UK’s Health Security Agency reported one death linked to Omicron. This person was diagnosed at the hospital.
In general, there were 15 778 confirmed cases globally, reported by 85 countries.
A summary of available studies on the antibody capacity of convalescent or post-vaccination sera against Omicron VOC is available in the Epidemiological Update as of December 10, 2021.
Table. Confirmed cases of SARS-CoV-2 Omicron VOC reported by public sources, as of December 16, 2021 (12:00)
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