Affiliation:
1. Antibiotic Resistance Unit, National Institute of Health Dr. Ricardo Jorge, Lisbon, Portugal
Abstract
ABSTRACT
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 changes in invasive
H. influenzae
infections in Portugal, i.e., the emergence of non-type-b strains that are genetically diverse and unrelated to Hib.
Publisher
American Society for Microbiology
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