Longitudinal assessment of anti-SARS-CoV-2 antibody dynamics and clinical features following convalescence from a COVID-19 infection
Introduction - The longevity of antibody levels against severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) and the duration of immunity are current topics of major scientific interest. Antibody kinetics during the acute phase are well studied, whereas the long-term kinetics are yet to be d...
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| Hauptverfasser: | , , , , , , , |
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| Dokumenttyp: | Article (Journal) |
| Sprache: | Englisch |
| Veröffentlicht: |
June 2021
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| In: |
International journal of infectious diseases
Year: 2021, Jahrgang: 107, Pages: 221-227 |
| ISSN: | 1878-3511 |
| DOI: | 10.1016/j.ijid.2021.04.080 |
| Online-Zugang: | Verlag, lizenzpflichtig, Volltext: https://doi.org/10.1016/j.ijid.2021.04.080 Verlag, lizenzpflichtig, Volltext: https://www.sciencedirect.com/science/article/pii/S1201971221003921 
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| Verfasserangaben: | Catharina Gerhards, Margot Thiaucourt, Maximilian Kittel, Celine Becker, Volker Ast, Michael Hetjens, Michael Neumaier, Verena Haselmann |
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| 245 | 1 | 0 | |a Longitudinal assessment of anti-SARS-CoV-2 antibody dynamics and clinical features following convalescence from a COVID-19 infection |c Catharina Gerhards, Margot Thiaucourt, Maximilian Kittel, Celine Becker, Volker Ast, Michael Hetjens, Michael Neumaier, Verena Haselmann |
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| 520 | |a Introduction - The longevity of antibody levels against severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) and the duration of immunity are current topics of major scientific interest. Antibody kinetics during the acute phase are well studied, whereas the long-term kinetics are yet to be determined, with contradictory results from the studies to date. Here, we present a longitudinal analysis of the serological responses to a SARS-CoV-2 infection following convalescence and the association with post-COVID syndrome (PCS). - Materials and methods - A total of 237 serum samples were prospectively collected from 61 participants who had had a SARS-CoV-2 infection, which was confirmed using quantitative reverse-transcription polymerase chain reaction (qRT-PCR). For each participant, anti-nucleocapsid (N) and anti-spike subunit 1 receptor binding domain (RBD/S1) immunoglobulin (Ig) levels were regularly determined over a period of 8 months. COVID-19-associated symptoms were assessed using a standardized questionnaire at study entry and again after 6 months. - Results - Antibodies were detectable in 56 of the 61 participants. No substantial decline in anti-SARS-CoV-2 pan-Ig levels was observed for the duration of the follow-up period. Antibody levels correlated positively with the disease severity, body mass index, fever, and smoking status. It was found that 46.8% of the participants suffered from PCS, with olfactory and gustatory dysfunctions being the most commonly reported symptoms. - Conclusion - The results demonstrate stable anti-SARS-CoV-2 antibody titers and thus may indicate a long-lasting immunity. The results are in line with recently published data and provide further insight concerning asymptomatic to mildly-affected patients, the association with clinical features, and the frequency of PCS. | ||
| 650 | 4 | |a Anti-SARS-CoV-2 antibodies | |
| 650 | 4 | |a Antibody dynamics | |
| 650 | 4 | |a Antibody kinetics | |
| 650 | 4 | |a Longitudinal assessment | |
| 650 | 4 | |a Post-COVID syndrome | |
| 650 | 4 | |a Serological immune response | |
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