Infection-or AZD1222 vaccine-mediated immunity reduces SARS-CoV-2 transmission but increases Omicron competitiveness in hamsters

JR Port, CK Yinda, JC Riopelle, ZA Weishampel… - Nature …, 2023 - nature.com
Limited data is available on the effect of vaccination and previous virus exposure on the
nature of SARS-CoV-2 transmission and immune-pressure on variants. To understand the …

Seroprevalence of anti-SARS-CoV-2 antibodies following the omicron BA. 1 wave

M Socan, K Prosenc, M Mrzel - International Journal of Environmental …, 2023 - mdpi.com
We conducted a seroprevalence study using convenient residual sera samples from the
Slovenian population collected after the end of the Omicron BA. 1 pandemic wave. Serum …

The burden of the coronavirus disease 2019 virus infection in Burkina Faso: Results from a World Health Organization UNITY population‐based, age‐stratified sero …

S Ouedraogo, IT Traoré, D Kania… - Influenza and Other …, 2023 - Wiley Online Library
Background This study aimed to estimate the anti‐SARS‐CoV‐2 antibody seroprevalence in
the general population of Bobo‐Dioulasso and Ouagadougou (Burkina Faso). Methods We …

Mosaic sarbecovirus vaccination elicits cross-reactive responses in pre-immunized animals.

AA Cohen, JR Keeffe, A Schiepers… - Biorxiv: the Preprint …, 2024 - europepmc.org
SUMMARY Immunization with mosaic-8b [60-mer nanoparticles presenting 8 SARS-like
betacoronavirus (sarbecovirus) receptor-binding domains (RBDs)] elicits more broadly cross …

Factors Associated with SARS-CoV-2 Infection Evaluated by Antibody Response in a Sample of Workers from the Emilia-Romagna Region, Northern Italy

S Paduano, M Granata, S Turchi, A Modenese… - Antibodies, 2023 - mdpi.com
Factors associated with SARS-CoV-2 infection risk are still debated. This case–control study
aims to investigate the possible relationship between SARS-CoV-2 infection, evaluated …

Comparing COVID-19 severity in patients hospitalized for community-associated Delta, BA. 1 and BA. 4/5 variant infection

M Sočan, M Mrzel, K Prosenc, M Korva… - Frontiers in Public …, 2024 - frontiersin.org
Background Despite decreasing COVID-19 disease severity during the Omicron waves, a
proportion of patients still require hospitalization and intensive care. Objective To compare …

High SARS‐CoV‐2 Exposure in Rural Southern Mozambique After Four Waves of COVID‐19: Community‐Based Seroepidemiological Surveys

Á de Jesus, R Ernesto, AJ Massinga… - Influenza and Other …, 2024 - Wiley Online Library
Background Mozambique was one of many African countries with limited testing capacity for
SARS‐CoV‐2. Serosurveys, an alternative to estimate the real exposure to understand the …

[HTML][HTML] Infection-or vaccine mediated immunity reduces SARS-CoV-2 transmission, but increases competitiveness of Omicron in hamsters

JR Port, CK Yinda, JC Riopelle, ZA Weishampel… - bioRxiv, 2022 - ncbi.nlm.nih.gov
Omicron has demonstrated a competitive advantage over Delta in vaccinated people. To
understand this, we designed a transmission chain experiment using naïve, intranasally (IN) …

[HTML][HTML] Anti-N SARS-CoV-2 assays for evaluation of natural viral infection

A Gaeta, A Angeloni, A Napoli, B Pucci, L Cinti… - Journal of …, 2023 - Elsevier
Abstract Background The 2019 coronavirus (COVID-19) epidemic, required the
development of different diagnostic tests. While reverse transcriptase real-time PCR (RT …

[HTML][HTML] Mosaic sarbecovirus nanoparticles elicit cross-reactive responses in pre-vaccinated animals

AA Cohen, JR Keeffe, A Schiepers, SE Dross… - bioRxiv, 2024 - ncbi.nlm.nih.gov
SUMMARY Immunization with mosaic-8b [60-mer nanoparticles presenting 8 SARS-like
betacoronavirus (sarbecovirus) receptor-binding domains (RBDs)] elicits more broadly cross …