The first dominant SARS‐CoV‐2 Omicron variant BA. 1 harbours 35 mutations in its Spike
protein from the original SARS‐CoV‐2 variant that emerged late 2019. Soon after its …

Seroprevalence surveys suggest that more than a third and possibly more than half of the
global population has been infected with SARS-CoV-2 by early 2022. As large numbers of …

Having adopted a dynamic zero-COVID strategy to respond to SARS-CoV-2 variants with
higher transmissibility since August 2021, China is now considering whether, and for how …

Abstract SARS coronavirus 2 (SARS-CoV-2) continues to evolve and new variants emerge.
Using nationwide Danish data, we estimate the transmission dynamics of SARS-CoV-2 …

1 Abstract The Omicron SARS-CoV-2 variant of concern (VOC lineage B. 1.1. 529), which
became dominant in many countries during early 2022, includes several subvariants with …

Background Knowledge of the window of SARS-CoV-2 infectiousness is crucial in
develo** policies to curb transmission. Mathematical modelling based on scarce empirical …

At the end of 2021 a new SARS-CoV-2 variant, Omicron, emerged and quickly spread
across the world. It has been demonstrated that Omicron's high number of Spike mutations …

There are no widely accepted, quantitative definitions for the end of a pandemic such as
COVID‐19. The end of the pandemic due to a new virus and the transition to endemicity may …

The Omicron variant of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2),
bearing an unusually high number of mutations, has become a dominant strain in many …

Background The increase in SARS-CoV-2 infections in December 2021 was driven primarily
by the Omicron variant, which largely displaced the Delta over a three-week span. Outcomes …