Monitoring of antibodies against SARS-CoV-2 over 2 years and characterization of immune responses following Omicron infection in a South Indian community cohort

Monitoring of antibodies against SARS-CoV-2 over 2 years and characterization of immune responses following Omicron infection in a South Indian community cohort

Abstract Multiple severe acute respiratory syndrome (SARS-CoV-2) exposures either due to infection or vaccination result in differential immune responses. Limited data exist on community-level SARS-CoV-2 variant exposures in India. We assessed antibody levels in 211 unvaccinated and 349 vaccinated i...

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Main Authors: Ramya Madhavan, Divya Gupta, Jackwin Sam Paul, Sudhir Babji, Chanduni Syed, Poornima Saravanan, Ajith Kumar, Sushil Immanuel, Vaishnavi Gandhi, Akilandeswari Eswaran, Pavithra Dhanapal, Lakshmi Raj, Soundari Gopal, Isai Thamizh, Dilesh Kumar, Anna George, Gagandeep Kang, Jacob John
Format: Article
Language:English
Published: Nature Portfolio 2025-07-01
Series:Scientific Reports
Subjects:
Antibody kinetics
Antigen imprinting
Omicron variant
COVID-19 vaccination
Online Access:https://doi.org/10.1038/s41598-025-10447-7
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https://doi.org/10.1038/s41598-025-10447-7

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