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- Title
Outbreak report of SARS-CoV-2 infection by airborne transmission: Epidemiologic and molecular evidence.
- Authors
Navas, María-Cristina; Cerón, Juan D.; Aguilar-Jiménez, Wbeimar; Rugeles, María T.; Díaz, Francisco J.
- Abstract
Introduction: It has been shown that the transmission of SARS-CoV-2 occurs mainly by air, and the risk of infection is greater in closed spaces. Objective: To describe the epidemiology, virology and molecular characterization of a COVID-19 outbreak at a closed vaccination point during the third wave of SARS-CoV-2 in Colombia. Materials and methods: Diagnostic tests, interviews, sampling, cell cultures and viral sequencing were carried out, the latter being molecular characterization and lineage identification. Results: Seven workers were positive for SARS-CoV-2; among these, 3 samples were analyzed, plus an additional sample belonging to the mother of the presumed index case; all samples were identified with lineage B.1.625, with a maximum of 2 nucleotides difference between them. Conclusions: Variant B.1.625 was identified as the cause of the COVID-19 outbreak, and a co-worker was also identified as the index case. Unexpectedly, attending a vaccination day became a risk factor for acquiring the infection.
- Subjects
COLOMBIA; AIRBORNE infection; INFECTIOUS disease transmission; SARS-CoV-2; COVID-19 pandemic; MOLECULAR virology
- Publication
Biomédica: Revista del Instituto Nacional de Salud, 2023, Vol 43, Issue 1, p121
- ISSN
0120-4157
- Publication type
Article
- DOI
10.7705/biomedica.6695