Immune correlates of protection by mRNA-1273 vaccine against SARS-CoV-2 in nonhuman primates

…, A Cook, A Dodson, A Faudree, J Greenhouse, S Kar… - Science, 2021 - science.org
INTRODUCTION Mass vaccination against severe acute respiratory syndrome coronavirus
2 (SARS-CoV-2) offers the most efficient public health intervention to control the COVID-19 …

[HTML][HTML] Engineered SARS-CoV-2 receptor binding domain improves immunogenicity in mice and elicits protective immunity in hamsters

…, MK Tracey, JR Brady, CA Whittaker, D Yun, S Kar… - BioRxiv, 2021 - ncbi.nlm.nih.gov
Global containment of COVID-19 still requires accessible and affordable vaccines for low-and
middle-income countries (LMICs). 1 Recently approved vaccines provide needed …

[HTML][HTML] mRNA-1273 protects against SARS-CoV-2 beta infection in nonhuman primates

…, A Pekosz, H Andersen, K Wu, DK Edwards, S Kar… - Nature …, 2021 - nature.com
B.1.351 is the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) variant most
resistant to antibody neutralization. We demonstrate how the dose and number of …

[PDF][PDF] Reduced pathogenicity of the SARS-CoV-2 omicron variant in hamsters

…, Y Kawaoka, C Piedra-Mora, N Jain, S Ducat, S Kar… - Med, 2022 - cell.com
Background The severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) Omicron (B.1.1.529)
variant has proven to be highly transmissible and has outcompeted the Delta …

[HTML][HTML] A SARS-CoV-2 spike ferritin nanoparticle vaccine protects hamsters against Alpha and Beta virus variant challenge

…, P Mudvari, SJ Krebs, AS Pekosz, JR Currier, S Kar… - npj Vaccines, 2021 - nature.com
The emergence of SARS-CoV-2 variants of concern (VOC) requires adequate coverage of
vaccine protection. We evaluated whether a SARS-CoV-2 spike ferritin nanoparticle vaccine (…

[HTML][HTML] Synthetic multiantigen MVA vaccine COH04S1 protects against SARS-CoV-2 in Syrian hamsters and non-human primates

…, A Iniguez, Q Zhou, T Kaltcheva, P Frankel, S Kar… - npj Vaccines, 2022 - nature.com
Second-generation COVID-19 vaccines could contribute to establish protective immunity
against SARS-CoV-2 and its emerging variants. We developed COH04S1, a synthetic …

Immunity elicited by natural infection or Ad26. COV2. S vaccination protects hamsters against SARS-CoV-2 variants of concern

…, J Piegols, A Faudree, B Spence, S Kar… - Science translational …, 2021 - science.org
Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) variants of concern have
emerged and may pose a threat to both the efficacy of vaccines based on the original WA1/…

[PDF][PDF] Protection from SARS-CoV-2 Delta one year after mRNA-1273 vaccination in rhesus macaques coincides with anamnestic antibody response in the lung

…, J Roberts-Torres, F Laboune, L Wang, A Goode, S Kar… - Cell, 2022 - cell.com
mRNA-1273 vaccine efficacy against SARS-CoV-2 Delta wanes over time; however, there
are limited data on the impact of durability of immune responses on protection. Here, we …

[HTML][HTML] Synthetic multiantigen MVA vaccine COH04S1 and variant-specific derivatives protect Syrian hamsters from SARS-CoV-2 Omicron subvariants

F Wussow, M Kha, T Kim, M Ly, M Yll-Pico, S Kar… - npj Vaccines, 2023 - nature.com
Emerging SARS-CoV-2 Omicron subvariants continue to disrupt COVID-19 vaccine efficacy
through multiple immune mechanisms including neutralizing antibody evasion. We …

Engineered SARS-CoV-2 receptor binding domain improves manufacturability in yeast and immunogenicity in mice

…, JY Wang, C Walkey, B Fiala, S Kar… - Proceedings of the …, 2021 - National Acad Sciences
Global containment of COVID-19 still requires accessible and affordable vaccines for low-
and middle-income countries (LMICs). Recently approved vaccines provide needed …