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Article

Emergence of nonencapsulated and encapsulated non-b-type invasive Haemophilus influenzae isolates in Portugal (1989-2001).

Journal of clinical microbiology - 1 Feb 2004

Bajanca Paula, Caniça Manuela

Abstract excerpt

Phenotypes and genetic relatedness of invasive Haemophilus influenzae strains were evaluated from 1989 through 2001. Among 119 isolates, multidrug resistance decreased (from 50 to 0%), the level of H. influenzae serotype b (Hib) strains declined (from 81 to 16%), the level of noncapsulated strains rose (from 19 to 80%), and the first invasive H. influenzae serotype f strain was described. This study documents...

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Identifiers

PMID: 14766857
DOI: 10.1128/JCM.42.2.807-810.2004
PMCID: PMC344485

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Source receipt: pubmed, retrieved 7 Sept 2026.

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