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Case Report

Case Report of COVID-19 after Full Vaccination: Viral Loads and Anti-SARS-CoV-2 Antibodies

1
Department of Drug Biotechnology and Bioinformatics, National Medicines Institute, 00-725 Warsaw, Poland
2
DNA Sequencing and Synthesis Facility, Institute of Biochemistry and Biophysics, Polish Academy of Sciences, 02-106 Warsaw, Poland
*
Author to whom correspondence should be addressed.
These authors contributed equally to this work.
Academic Editor: Chao-Min Cheng
Diagnostics 2021, 11(10), 1815; https://doi.org/10.3390/diagnostics11101815
Received: 30 August 2021 / Revised: 29 September 2021 / Accepted: 29 September 2021 / Published: 30 September 2021
The introduction of effective vaccines against SARS-CoV-2 is expected to prevent COVID-19. However, sporadic cases of infection in vaccinated persons have been reported. We describe a case of a double-dose vaccinated woman with COVID-19. All stages of infection were observed, from no identification of virus, then the start of the infection, a high viral load, coming out of viraemia, and finally no detection of the virus. Despite the high viral load, the woman demonstrated mild COVID-19 symptoms, manifested only by a sore throat. The antibody results showed that she produced both post-infectious and post-vaccination immune responses. Phylogenetic analysis of the obtained viral genome sequence indicated that the virus belonged to the UK SARS-CoV-2 lineage B.1.1.7 (GR 501Y.V1; 20I/S:501Y.V1; Alpha variant). View Full-Text
Keywords: mRNA vaccine; anti-SARS-CoV-2 antibodies; viral loads; COVID-19 mRNA vaccine; anti-SARS-CoV-2 antibodies; viral loads; COVID-19
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MDPI and ACS Style

Komiazyk, M.; Walory, J.; Gawor, J.; Ksiazek, I.; Gromadka, R.; Baraniak, A. Case Report of COVID-19 after Full Vaccination: Viral Loads and Anti-SARS-CoV-2 Antibodies. Diagnostics 2021, 11, 1815. https://doi.org/10.3390/diagnostics11101815

AMA Style

Komiazyk M, Walory J, Gawor J, Ksiazek I, Gromadka R, Baraniak A. Case Report of COVID-19 after Full Vaccination: Viral Loads and Anti-SARS-CoV-2 Antibodies. Diagnostics. 2021; 11(10):1815. https://doi.org/10.3390/diagnostics11101815

Chicago/Turabian Style

Komiazyk, Magdalena, Jaroslaw Walory, Jan Gawor, Iza Ksiazek, Robert Gromadka, and Anna Baraniak. 2021. "Case Report of COVID-19 after Full Vaccination: Viral Loads and Anti-SARS-CoV-2 Antibodies" Diagnostics 11, no. 10: 1815. https://doi.org/10.3390/diagnostics11101815

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