The highly transmissible Omicron (B. 1.1. 529) variant of severe acute respiratory syndrome
coronavirus 2 (SARS-CoV-2) was first detected in late 2021. Initial Omicron waves were …

Vaccines based on historical virus isolates provide limited protection from continuously
evolving RNA viruses, such as influenza viruses or coronaviruses, which occasionally spill …

Evolution of SARS-CoV-2 requires the reassessment of current vaccine measures. Here, we
characterized BA. 2.86 and XBB-derived variant FLip by investigating their neutralization …

Immune evasion by SARS-CoV-2 paired with immune imprinting from monovalent mRNA
vaccines has resulted in attenuated neutralizing antibody responses against Omicron …

ABSTRACT The highly mutated BA. 2.86, with over 30 spike protein mutations in
comparison to Omicron BA. 2 and XBB. 1.5 variants, has raised concerns about its potential …

As the fifth variant of concern of the SARS‐CoV‐2 virus, the Omicron variant (B. 1.1. 529)
has quickly become the dominant type among the previous circulating variants worldwide …

A limitation of current SARS-CoV-2 vaccines is that they provide minimal protection against
infection with current Omicron subvariants,, although they still provide protection against …

Since late 2022, the share of infections caused by the SARS-CoV-2 lineage XBB. 1.5 has
gradually increased in the United States, resulting in XBB. 1.5 becoming the dominating …

Background XBB-related omicron sublineages have recently replaced BA. 4/5 as the
predominant omicron sublineages in the USA and other regions globally. Despite …

Since its emergence at the end of 2019, severe acute respiratory syndrome coronavirus 2
(SARS-CoV-2) has caused the infection of more than 600 million people worldwide and has …