The evolution of SARS-CoV-2

PV Markov, M Ghafari, M Beer, K Lythgoe… - Nature Reviews …, 2023 - nature.com
Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) has caused millions of
deaths and substantial morbidity worldwide. Intense scientific effort to understand the …

Emergence of SARS-CoV-2 Omicron (B. 1.1. 529) variant, salient features, high global health concerns and strategies to counter it amid ongoing COVID-19 pandemic

R Khandia, S Singhal, T Alqahtani, MA Kamal… - Environmental …, 2022 - Elsevier
Since the appearance in the late of December 2019, SARS-CoV-2 is rapidly evolving and
mutating continuously, giving rise to various variants with variable degrees of infectivity and …

Population immunity and Covid-19 severity with Omicron variant in South Africa

SA Madhi, G Kwatra, JE Myers, W Jassat… - … England Journal of …, 2022 - Mass Medical Soc
Abstract Background The B. 1.1. 529 (omicron) variant of severe acute respiratory syndrome
coronavirus 2 (SARS-CoV-2) was first identified on November 25, 2021, in Gauteng …

[HTML][HTML] Trends in disease severity and health care utilization during the early Omicron variant period compared with previous SARS-CoV-2 high transmission periods …

AD Iuliano - MMWR. Morbidity and mortality weekly report, 2022 - cdc.gov
Trends in Disease Severity and Health Care Utilization During the Early Omicron Variant Period
Compared with Previous SARS-CoV-2 High Transmission Periods — United States, December …

Omicron: what makes the latest SARS-CoV-2 variant of concern so concerning?

C Jung, D Kmiec, L Koepke, F Zech, T Jacob… - Journal of …, 2022 - Am Soc Microbiol
Emerging strains of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), the
causative agent of the coronavirus disease 2019 (COVID-19) pandemic, that show …

Limited cross-variant immunity from SARS-CoV-2 Omicron without vaccination

RK Suryawanshi, IP Chen, T Ma, AM Syed, N Brazer… - Nature, 2022 - nature.com
Abstract SARS-CoV-2 Delta and Omicron are globally relevant variants of concern. Although
individuals infected with Delta are at risk of developing severe lung disease, infection with …

The evolution and biology of SARS-CoV-2 variants

A Telenti, EB Hodcroft… - Cold Spring …, 2022 - perspectivesinmedicine.cshlp.org
Our understanding of the still unfolding severe acute respiratory syndrome coronavirus 2
(SARS-CoV-2) pandemic would have been extremely limited without the study of the …

Signals of significantly increased vaccine breakthrough, decreased hospitalization rates, and less severe disease in patients with coronavirus disease 2019 caused by …

PA Christensen, RJ Olsen, SW Long, R Snehal… - The American journal of …, 2022 - Elsevier
Genetic variants of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2)
continue to dramatically alter the landscape of the coronavirus disease 2019 (COVID-19) …

Clinical severity of COVID-19 in patients admitted to hospital during the omicron wave in South Africa: a retrospective observational study

W Jassat, SSA Karim, C Mudara, R Welch… - The Lancet Global …, 2022 - thelancet.com
Background Up to the end of January, 2022, South Africa has had four recognisable COVID-
19 pandemic waves, each predominantly dominated by one variant of concern: the ancestral …

Comparison of patients infected with Delta versus Omicron COVID-19 variants presenting to Paris emergency departments: a retrospective cohort study

D Bouzid, B Visseaux, C Kassasseya… - Annals of internal …, 2022 - acpjournals.org
Background: At the end of 2021, the B. 1.1. 529 SARS-CoV-2 variant (Omicron) wave
superseded the B. 1.617. 2 variant (Delta) wave. Objective: To compare baseline …