Search results
1 paź 2024 · ECDC utilises three categories of variant classification to communicate increasing levels of concern about a new or emerging SARS-CoV-2 variant: variant under monitoring (VUM), variant of interest (VOI) and variant of concern (VOC).
- Covid-19 Situation Updates
Surveillance information on cases, threats and outbreaks for...
- Data Collection
Since the beginning of the coronavirus pandemic, ECDC’s EI...
- Health Communication
Q & A: COVID-19 and travel; Q & A: Children and the role of...
- Questions and Answers
Find more information on questions related to COVID-19 on...
- Covid-19 Situation Updates
28 cze 2024 · Since 2020, SARS-CoV-2, the virus that causes COVID-19, has been spreading and changing globally. These changes have led to the detection of variants in many countries around the world. The more significant of these variants are grouped in three different ways – variants under monitoring, variants of interest and variants of concern.
On 29 March 2022, Omicron subvariant BA.2 overtook BA.1 and became the dominant strain in the US. [90] [91] [92] As of May 2022, BA.2.12.1 was spreading in the US and two new subvariants of Omicron named BA.4 and BA.5, first detected in January 2022, spread in South Africa.
16 mar 2022 · The severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) B.1.1.529 (omicron) variant has three major sublineages: BA.1, BA.2, and BA.3. 1 BA.1 rapidly became dominant and...
22 lut 2022 · Based on available data of transmission, severity, reinfection, diagnostics, therapeutics and impacts of vaccines, the group reinforced that the BA.2 sublineage should continue to be considered a variant of concern and that it should remain classified as Omicron.
2 lut 2022 · The sub-variant of Omicron has been detected in 57 countries now, the WHO says. In some countries, BA.2 accounts for more than half of sequenced Omicron cases, it adds.
18 mar 2022 · As the Omicron coronavirus surge subsides, researchers are keeping an eye on a highly transmissible subvariant known as BA.2. Many epidemiologists suspect that it may reverse the decline of...
