The past several months have witnessed the emergence of SARS-CoV-2 variants with novel
spike protein mutations that are influencing the epidemiological and clinical aspects of the …

With the constantly mutating of SARS-CoV-2 and the emergence of Variants of Concern
(VOC), the implementation of vaccination is critically important. Existing SARS-CoV-2 …

The Omicron lineage of SARS-CoV-2, which was first described in November 2021, spread
rapidly to become globally dominant and has split into a number of sublineages. BA. 1 …

On 24 th November 2021, the sequence of a new SARS-CoV-2 viral isolate Omicron-B. 1.1.
529 was announced, containing far more mutations in Spike (S) than previously reported …

Summary Background Several SARS-CoV-2 variants of concern have been identified that
partly escape serum neutralisation elicited by current vaccines. Studies have also shown …

Background Vaccines are critical cost-effective tools to control the coronavirus disease 2019
(COVID-19) pandemic. However, the emergence of variants of the severe acute respiratory …

Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) has undergone
progressive change, with variants conferring advantage rapidly becoming dominant …

The emergence of SARS-CoV-2 variants with evidence of antibody escape highlight the
importance of addressing whether the total CD4+ and CD8+ T cell recognition is also …

Importance Although effective vaccines against COVID-19 have been developed, additional
vaccines are still needed. Objective To evaluate the efficacy and adverse events of 2 …

Many SARS-CoV-2 variants with naturally acquired mutations have emerged. These
mutations can affect viral properties such as infectivity and immune resistance. Although the …