The unique mutations of the SARS-CoV-2 Omicron variant are associated with increased
transmissibility, immune escape, increased binding affinity to ACE-2, and increased viral …

Omicron Neutralization from Vaccines in China In this study, neutralization against the SARS-
CoV-2 omicron subvariants was reduced with both the inactivated and ZF2001 vaccines …

Background The continued 'evolution'of Severe acute respiratory syndrome coronavirus 2
(SARS-CoV-2) has led to the emergence of the Omicron variant after the Delta variant …

The Omicron variant was first detected in October 2021, which evolved from the original
SARS‐CoV‐2 strain and was found to possess many mutations. Immune evasion was one of …

Summary Background The Omicron BA. 2 sublineage has replaced BA. 1 worldwide and
has comparable levels of immune evasion to BA. 1. These observations suggest that the …

Since its discovery in 2019, multiple variants of severe acute respiratory syndrome
coronavirus-2 (SARS-CoV-2) have been identified. This study investigates virus spread and …

Patients infected with the Omicron variant of severe acute respiratory syndrome coronavirus
2 has increased worldwide since the beginning of 2022 and the variant has spread more …

Currently, severe acute respiratory syndrome coronavirus 2 (SARS‐CoV‐2) has spread
worldwide as an Omicron variant. This variant is a heavily mutated virus and designated as …

The Omicron variant of SARS-CoV-2 spreads more easily than earlier variants, possibly as a
result of a higher viral load in the upper respiratory tract and oral cavity. Hence, we …

The emergence of Omicron/BA. 1 has brought new challenges to fight against SARS-CoV-2.
A large number of mutations in the Spike protein suggest that its susceptibility to immune …