Defending against SARS-CoV-2: The T cell perspective

P Almendro-Vázquez, R Laguna-Goya… - Frontiers in …, 2023 - frontiersin.org
SARS-CoV-2-specific T cell response has been proven essential for viral clearance, COVID-
19 outcome and long-term memory. Impaired early T cell-driven immunity leads to a severe …

Bivalent SARS-CoV-2 mRNA vaccines increase breadth of neutralization and protect against the BA. 5 Omicron variant in mice

SM Scheaffer, D Lee, B Whitener, B Ying, K Wu… - Nature medicine, 2023 - nature.com
The emergence of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) variants
in the Omicron lineage has resulted in diminished Coronavirus Disease 2019 (COVID-19) …

Predicting the efficacy of variant-modified COVID-19 vaccine boosters

DS Khoury, SS Docken, K Subbarao, SJ Kent… - Nature Medicine, 2023 - nature.com
Booster vaccination for the prevention of Coronavirus Disease 2019 (COVID-19) is required
to overcome loss of protection due to waning immunity and the spread of novel severe acute …

Comparison of bivalent and monovalent SARS-CoV-2 variant vaccines: the phase 2 randomized open-label COVAIL trial

AR Branche, NG Rouphael, DJ Diemert, AR Falsey… - Nature medicine, 2023 - nature.com
Vaccine protection against severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2)
infection wanes over time, requiring updated boosters. In a phase 2, open-label, randomized …

Map** SARS-CoV-2 antigenic relationships and serological responses

SH Wilks, B Mühlemann, X Shen, S Türeli… - Science, 2023 - science.org
During the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) pandemic,
multiple variants esca** preexisting immunity emerged, causing reinfections of previously …

BA. 2 and BA. 5 omicron differ immunologically from both BA. 1 omicron and pre-omicron variants

A Rössler, A Netzl, L Knabl, H Schäfer, SH Wilks… - Nature …, 2022 - nature.com
Several studies have shown that SARS-CoV-2 BA. 1 omicron is an immune escape variant.
Meanwhile, however, omicron BA. 2 and BA. 5 became dominant in many countries and …

[HTML][HTML] Post-vaccination neutralization responses to Omicron sub-variants

H Jacobsen, M Katzmarzyk, MM Higdon, VC Jiménez… - Vaccines, 2022 - mdpi.com
Background: The emergence of the Omicron variant (B. 1.1. 529), which correlated with
dramatic losses in cross-neutralization capacity of post-vaccination sera, raised concerns …

Characterizing SARS-CoV-2 neutralization profiles after bivalent boosting using antigenic cartography

A Rössler, A Netzl, L Knabl, D Bante, SH Wilks… - Nature …, 2023 - nature.com
Since emergence of the initial SARS-CoV-2 BA. 1, BA. 2 and BA. 5 variants, Omicron has
diversified substantially. Antigenic characterization of these new variants is important to …

SARS-CoV-2 omicron BA. 5 and XBB variants have increased neurotropic potential over BA. 1 in K18-hACE2 mice and human brain organoids

R Stewart, K Yan, SA Ellis, CR Bishop… - Frontiers in …, 2023 - frontiersin.org
The reduced pathogenicity of the omicron BA. 1 sub-lineage compared to earlier variants is
well described, although whether such attenuation is retained for later variants like BA. 5 …

Exposure to BA. 4/5 S protein drives neutralization of Omicron BA. 1, BA. 2, BA. 2.12. 1, and BA. 4/5 in vaccine-experienced humans and mice

A Muik, BG Lui, M Bacher, AK Wallisch, A Toker… - Science …, 2022 - science.org
The SARS-CoV-2 Omicron variant and its sublineages show pronounced viral escape from
neutralizing antibodies elicited by vaccination or prior SARS-CoV-2 variant infection owing …