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Journal of Clinical Microbiology, December 2007, p. 4051-4053, Vol. 45, No. 12
0095-1137/07/$08.00+0     doi:10.1128/JCM.01663-07
Copyright © 2007, American Society for Microbiology. All Rights Reserved.

Comparison of Three Commercial Test Systems for Biotyping Haemophilus influenzae and Haemophilus parainfluenzae{triangledown}

Erik L. Munson{dagger} and Gary V. Doern*

Division of Medical Microbiology, Department of Pathology, University of Iowa, Carver College of Medicine, Iowa City, Iowa 52242

Received 21 August 2007/ Returned for modification 24 September 2007/ Accepted 8 October 2007

The biotypes of Haemophilus influenzae and Haemophilus parainfluenzae isolates were determined with three commercially available biochemical test kits: the IDS RapID NH system, the Neisseria-Haemophilus identification test (NHI card), and the API NH strip. The API NH strip performed best, correctly classifying the biotypes of 371 of 380 (97.6%) different challenge strains.

* Corresponding author. Mailing address: Clinical Microbiology Laboratories, C606-GH, University of Iowa Hospital and Clinics, 200 Hawkins Drive, Iowa City, IA 52242. Phone: (319) 356-2591. Fax: (319) 384-9854. E-mail: gary-doern{at}uiowa.edu

{triangledown} Published ahead of print on 17 October 2007.

{dagger} Present address: Wheaton Franciscan and Midwest Clinical Laboratories, Wauwatosa, WI 53226.

Journal of Clinical Microbiology, December 2007, p. 4051-4053, Vol. 45, No. 12
0095-1137/07/$08.00+0     doi:10.1128/JCM.01663-07
Copyright © 2007, American Society for Microbiology. All Rights Reserved.



This article has been cited by other articles:

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