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| http://dx.doi.org/10.1016/j.jogc.2021.06.001 | DOI Listing |
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Identification of an immunological signature of long COVID syndrome.
Front Immunol
January 2025
Neuroimmunology Unit, Santa Lucia Foundation IRCCS, Rome, Italy.
Introduction: Acute COVID-19 infection causes significant alterations in the innate and adaptive immune systems. While most individuals recover naturally, some develop long COVID (LC) syndrome, marked by persistent or new symptoms weeks to months after SARS-CoV-2 infection. Despite its prevalence, there are no clinical tests to distinguish LC patients from those fully recovered.
View Article and Find Full Text PDFComprehensive analyses of immune activity in COVID-19-vaccinated idiopathic pulmonary fibrosis patients.
Front Immunol
January 2025
Department of Medical Immunology, Medical University of Gdansk, Gdansk, Poland.
Idiopathic pulmonary fibrosis (IPF) is a progressive and fatal disease, characterized by impaired wound repair, tissue remodeling and fibrosis. Immune system may participate in the development and progression of the disease as indicated by altered activity in IPF sufferers. This study investigates the immune response to the BNT162b2 COVID-19 vaccine in patients with IPF compared to healthy controls, with a particular focus on evaluation of antibody responses, interferon-gamma release, cytokine profiling and a broad panel of immune cell subpopulations.
View Article and Find Full Text PDFSARS-CoV-2 Omicron XBB infections boost cross-variant neutralizing antibodies, potentially explaining the observed delay of the JN.1 wave in some Brazilian regions.
IJID Reg
March 2025
Laboratory of Respiratory Viruses, Exanthematous and Enteroviruses and Viral Emergencies, Oswaldo Cruz Institute, Rio de Janeiro, Brazil.
Unlabelled: The SARS-CoV-2 JN.1 lineage emerged in late 2023 and quickly replaced the XBB lineages, becoming the predominant Omicron variant worldwide in 2024. We estimate the epidemiologic impact of this SARS-CoV-2 lineage replacement in Brazil and we further assessed the cross-reactive neutralizing antibody (NAb) responses in a cohort of convalescent Brazilian patients infected during 2023.
View Article and Find Full Text PDFSARS-CoV-2 transmission dynamics in Mozambique and Zimbabwe during the first 3 years of the pandemic.
R Soc Open Sci
January 2025
Department of Environmental Health Sciences, Mailman School of Public Health, Columbia University, New York, NY 10032, USA.
The 2019 emergence of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) and its rapid spread created a public health emergency of international concern. However, the impact of the pandemic in Sub-Saharan Africa, as documented in cases, hospitalizations and deaths, appears far lower than in the Americas, Europe and Asia. Characterization of the transmission dynamics is critical for understanding how SARS-CoV-2 spreads and the true scale of the pandemic.
View Article and Find Full Text PDFEvolution of parasite transmission dispersion.
R Soc Open Sci
January 2025
Institute for Integrative Biology, ETH Zürich, 8005 Zürich, Switzerland.
An open question in epidemiology is why transmission is often overdispersed, meaning that most new infections are driven by few infected individuals. For example, around 10% of COVID-19 cases cause 80% of new COVID-19 cases. This overdispersion in parasite transmission is likely driven by intrinsic heterogeneity among hosts, i.
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