Omicron hospitalisation risk around one third of Delta, UK analysis ...

Reuters - 30 Dec 2021
The risk of hospitalisation with the Omicron variant of coronavirus is about one-third that of the Delta variant, according to British analysis of more than ...

Differential immunity induced by Omicron sublineages in naïve and vaccine breakthrough infections

Nature - 03 Jul 2025
Differential immunity induced by Omicron sublineages in naïve and vaccine breakthrough infections ...

New COVID variant NB.1.8.1 spreads across continents amid calls for vigilance

News-Medical - 06 Jun 2025
New COVID variant NB.1.8.1 spreads across continents amid calls for vigilance ...

Lung Transplant Recipients at High Risk of Secondary Lung Infections Post-Infection With SARS-CoV-2 Omicron Variant

Pharmacy Times - 02 Jul 2025
Lung Transplant Recipients at High Risk of Secondary Lung Infections Post-Infection With SARS-CoV-2 Omicron Variant ...

Wastewater surveillance in post-omicron silent phase uncovers silent waves and cryptic transmission of SARS-CoV-2 variants; a yearlong study in Western India

sciencedirect.com - 10 Dec 2024
Wastewater surveillance in post-omicron silent phase uncovers silent waves and cryptic transmission of SARS-CoV-2 variants; a yearlong study in Western India ...

Emergence and spread of the SARS-CoV-2 omicron (BA.1) variant across Africa: an observational study

The Lancet - 30 Jan 2025
Emergence and spread of the SARS-CoV-2 omicron (BA.1) variant across Africa: an observational study ...

Study suggests COVID-19 infection no longer grants long-lasting immunity

Gavi, the Vaccine Alliance - 11 Feb 2025
Study suggests COVID-19 infection no longer grants long-lasting immunity ...

Post-infection immunity may wane faster after SARS-CoV-2 Omicron than after previous strains

CIDRAP - 06 Feb 2025
Post-infection immunity may wane faster after SARS-CoV-2 Omicron than after previous strains ...

COVID Variant NB.1.8.1 May Cause Razor Blade Throat, But It's Not as Severe as Past Variants

Discover Magazine - 26 Jun 2025
COVID Variant NB.1.8.1 May Cause Razor Blade Throat, But It's Not as Severe as Past Variants ...

Omicron Symptoms Day by Day

Health. Powered by Ada. - 17 Feb 2025
Omicron Symptoms Day by Day ...

Determinants of antibody levels and protection against omicron BQ.1/XBB breakthrough infection

Nature - 20 Jun 2025
Determinants of antibody levels and protection against omicron BQ.1/XBB breakthrough infection ...

Duration of mild acute SARS-CoV-2 infections with Omicron depending on previous vaccinations and infections – Using data of the German DigiHero cohort study from post-pandemic winters 2022/2023 and 2023/2024

sciencedirect.com - 12 Mar 2025
Duration of mild acute SARS-CoV-2 infections with Omicron depending on previous vaccinations and infections – Using data of the German DigiHero cohort study from post-pandemic winters 2022/2023 and 2023/2024 ...

Evolution of Omicron lineage towards increased fitness in the upper respiratory tract in the absence of severe lung pathology

Nature - 11 Jan 2025
Evolution of Omicron lineage towards increased fitness in the upper respiratory tract in the absence of severe lung pathology ...

Omicron