Bajanca-Lavado MP, Pinto M, Carvalho MD, Jantarada Domingos G, Melo-Cristino J. Rare serotype c Haemophilus influenzae invasive isolate: characterization of the first case in Portugal.
Eur J Clin Microbiol Infect Dis 2024;
43:791-795. [PMID:
38332396 DOI:
10.1007/s10096-024-04774-2]
[Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2023] [Accepted: 02/02/2024] [Indexed: 02/10/2024]
Abstract
We report for the first time in Portugal a serotype c Haemophilus influenzae isolated from an adult, with HIV-1 infection. Whole-genome sequencing characterized the isolate as clonal complex ST-7, albeit with a novel MLST (ST2754) due to a unique atpG profile. Integration of this genome with other available H. influenzae serotype c genomes from PubMLST revealed its overall genetic distinctiveness, with the closest related isolate being identified in France in 2020. This surveillance study, involving collaboration among hospitals and reference laboratory, successfully contributed to the identification and characterization of this rare serotype.
Collapse