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Si us plau utilitzeu sempre aquest identificador per citar o enllaçar aquest document: https://hdl.handle.net/2445/194964
Exploring the nasopharyngeal microbiota composition in infants with whooping cough: a test-negative case-control study
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Purpose The purpose of this study was to characterize the nasopharyngeal microbiota of infants with possible and confirmed pertussis compared to healthy controls. Methods This prospective study included all infants <1 year with microbiologically confirmed diagnosis of pertussis attended at a University Hospital over a 12-month period. For each confirmed case, up to 2 consecutive patients within the same age range and meeting the clinical case definition of pertussis but testing PCR-negative were included as possible cases. A third group of asymptomatic infants (healthy controls) were also included. Nasopharyngeal microbiota was characterized by sequencing the V3-V4 region of the 16S rRNA gene. Common respiratory DNA/RNA viral co-infection was tested by multiplex PCR. Results Twelve confirmed cases, 21 possible cases and 9 healthy controls were included. Confirmed whooping cough was primarily driven by detection of Bordetella with no other major changes on nasopharyngeal microbiota. Possible cases had limited abundance or absence of Bordetella and a distinctive microbiota with lower bacterial richness and diversity and higher rates of viral co-infection than both confirmed cases and healthy controls. Bordetella reads determined by 16S rRNA gene sequencing were found in all 12 confirmed cases (100%), 3 out of the 21 possible cases (14.3%) but in any healthy contro
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ROCAFORT, Muntsa, HENARES, Desiree, BROTONS, Pedro, BARRABEIG I FABREGAT, Irene, LAUNES MONTAÑA, Cristian, MERDRIGNAC, Lore, VALENCIANO, Marta, DOMÍNGUEZ GARCÍA, Àngela, GODOY, Pere, MUÑOZ-ALMAGRO, Carmen. Exploring the nasopharyngeal microbiota composition in infants with whooping cough: a test-negative case-control study. _PLoS One_. 2021. Vol. 16, núm. 10, pàgs. e0259318. [consulta: 25 de febrer de 2026]. ISSN: 1932-6203. [Disponible a: https://hdl.handle.net/2445/194964]