Post-Vaccination Coronavirus Disease 2019: A Case-Control Study and Genomic Analysis of 119 Breakthrough Infections in Partially Vaccinated Individuals

Autor:	Judith Breuer, Rachel Williams, Tabitha Mahungu, Tanzina Haque, Florencia A T Boshier, Dianne Irish-Tavares, Jennifer C L Hart, Nadua Bayzid, Ioannis Baltas, Sunando Roy, Charlotte A Williams, José Afonso Guerra-Assunção, Marius Cotic
Rok vydání:	2021
Předmět:	Microbiology (medical) medicine.medical_specialty Coronavirus disease 2019 (COVID-19) business.industry Case-control study Single-nucleotide polymorphism Subgroup analysis Vaccination Infectious Diseases Internal medicine Relative risk Number needed to treat SNP Medicine business
Zdroj:	Clinical Infectious Diseases. 75:305-313
ISSN:	1537-6591 1058-4838
DOI:	10.1093/cid/ciab714
Popis:	Background Post-vaccination infections challenge the control of the coronavirus disease 2019 (COVID-19) pandemic. Methods We matched 119 cases of post-vaccination severe acute respiratory syndrome coronavirus 2 infection with BNT162b2 mRNA or ChAdOx1 nCOV-19 to 476 unvaccinated patients with COVID-19 (September 2020–March 2021) according to age and sex. Differences in 60-day all-cause mortality, hospital admission, and hospital length of stay were evaluated. Phylogenetic, single-nucleotide polymorphism (SNP), and minority variant allele (MVA) full-genome sequencing analysis was performed. Results Overall, 116 of 119 cases developed COVID-19 post–first vaccination dose (median, 14 days). Thirteen of 119 (10.9%) cases and 158 of 476 (33.2%) controls died (P Conclusions Previous vaccination reduces mortality when B.1.1.7 is the predominant lineage. No significant lineage-specific genomic changes during phylogenetic, SNP, and MVA analysis were detected.
Databáze:	OpenAIRE
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