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Long-lasting immune response to mild SARS-CoV-2 infection

Publication by partner Med Uni Graz


Long-lasting immune response to a mild course of PCR-confirmed SARS-CoV-2 infection: A cohort study - Journal of Infection


Sabrina Kral, Chiara Banfi, Tobias Niedrist, Nazanin Sareban, Christian Guelly, Lisa Kriegl, Stefanie Schiffmann, Christoph Zurl, Markus Herrmann, Ivo Steinmetz, Peter Schlenke, Andrea Berghold, Robert Krause

Journal of Infection, Letter to the editor


This article presents findings from a cohort of COVID-19 convalescent individuals established and investigated with clinical partners at partner Med Uni Graz / Biobank Graz.


From 326 non-hospitalized volunteers blood plasma, serum and buffy coat samples were collected to determine pan-IG antibody titre. In addition, data on clinical symptoms of COVID-19, demographic characteristics, lifestyle, and comorbidities were gathered by e-questionnaire.


The results indicate a persistent and strong immune response against SARS-CoV-2 infection in those individuals with a mild course of COVID-19.

The authors found that also individuals without core symptoms developed immunity against COVID-19, but to a lower degree than individuals with core symptoms.


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More details on the "COVID-19 convalescent cohort" >> and other other cohorts from partners >> (