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. 2005 Feb;43(2):938-41.
doi: 10.1128/JCM.43.2.938-941.2005.

Prevalence and serotype distribution of encapsulated Haemophilus influenzae isolates from patients with lower respiratory tract infections in Poland

Anna Skoczynska  1 , Magdalena Lewandowska, Anna Klarowicz, Waleria Hryniewicz
Affiliations

Prevalence and serotype distribution of encapsulated Haemophilus influenzae isolates from patients with lower respiratory tract infections in Poland

Anna Skoczynska et al. J Clin Microbiol. 2005 Feb.

Abstract

Among 1,272 H. influenzae isolates obtained from patients with lower respiratory tract infections, 5.6% were found to be encapsulated. The most common were serotypes b (40.3%) and e (38.9%) followed by serotypes f (16.7%) and d (4.1%). All encapsulated isolates within a particular serotype showed high genetic homogeneity and did not produce beta-lactamases.

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Figures

FIG. 1.
FIG. 1.
PFGE patterns of encapsulated H. influenzae DNA digested with SmaI. (A) PFGE patterns of serotype e isolates. (B) PFGE patterns of serotype f isolates. (C) PFGE patterns of serotype d isolates. (D) PFGE patterns of serotype b isolates. Lanes λ contain molecular weight markers (Lambda DNA Ladder; New England Biolabs, Beverly, Mass.).
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