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Volume 27, Number 5—May 2021
Synopsis

Clinical Laboratory Perspective on Streptococcus halichoeri, an Unusual Nonhemolytic, Lancefield Group B Streptococcus Causing Human Infections

Salika M. Shakir1Comments to Author , Rahul Gill1, Jonathan Salberg, E. Susan Slechta, Mark Feldman, Thomas Fritsche, Jill Clarridge, Susan E. Sharp, and Mark A. Fisher
Author affiliations: University of Utah/ARUP Laboratories, Salt Lake City, Utah, USA (S.M. Shakir, M.A. Fisher); Texas Health Presbyterian Hospital of Dallas, Dallas, Texas, USA (R. Gill, M. Feldman); Kaiser Permanente Regional Microbiology and Molecular Infectious Diseases Laboratories, Portland, Oregon, USA (J. Salberg, S.E. Sharp); ARUP Institute for Clinical and Experimental Pathology, Salt Lake City (E.S. Slechta); Marshfield Clinic Health System, Marshfield, Wisconsin, USA (T. Fritsche); University of Washington, Seattle, Washington, USA (J. Clarridge); Copan Diagnostics, Murrieta, California, USA (S.E. Sharp)

Main Article

Table 1

Phenotypic characteristics of 5 Streptococcus halichoeri human clinical isolates, United States*

Isolate Hemolysis Catalase-SBA Catalase-MHA PYR Esculin Bile-esculin Hippurate Lancefield B antigen
018 Negative Positive Negative Positive Positive Positive Negative Weak positive
116 Negative Negative Negative Positive Positive Positive Negative Weak positive
076 Negative Weak positive Negative Positive Positive Positive Negative Weak positive
229† Negative Positive Negative Positive Positive Positive Negative Weak positive
853‡ Negative Positive Negative Positive Positive Positive Negative Weak positive

*MHA, Mueller-Hinton agar; PYR, pyrrolidonyl arylamidase; SBA, sheep blood agar.
†Isolate from patient described in case 1.
‡Isolate from patient described in case 2.

Main Article

1These authors contributed equally to this article.

Page created: March 15, 2021
Page updated: April 20, 2021
Page reviewed: April 20, 2021
The conclusions, findings, and opinions expressed by authors contributing to this journal do not necessarily reflect the official position of the U.S. Department of Health and Human Services, the Public Health Service, the Centers for Disease Control and Prevention, or the authors' affiliated institutions. Use of trade names is for identification only and does not imply endorsement by any of the groups named above.
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