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Journal of Clinical Microbiology, January 2000, p. 429-430, Vol. 38, No. 1
0095-1137/0/$04.00+0
Copyright © 2000, American Society for Microbiology. All rights reserved.

Impact of Sample Type on Rapid Detection of Influenza Virus A by Cytospin-Enhanced Immunofluorescence and Membrane Enzyme-Linked Immunosorbent Assay

Marie L. Landry,1,2,* Sandra Cohen,1 and David Ferguson1,2

Clinical Virology Laboratory, Yale New Haven Hospital,1 and Department of Laboratory Medicine,2 Yale University School of Medicine, New Haven, Connecticut 06520

Received 21 June 1999/Returned for modification 20 August 1999/Accepted 27 September 1999

Cytospin-enhanced direct fluorescent-antibody assay (DFA) detected 49 (92.5%) and rapid membrane enzyme-linked immunosorbent assay (ELISA) detected 40 (75.5%) of 53 influenza virus A-positive samples. All 15 positive nasopharyngeal aspirates from children were detected by both tests. In contrast, 34 of 38 (89.5%) positive swabs from adults were detected by DFA, but only 25 (66%) were detected by ELISA.

* Corresponding author. Mailing address: Department of Laboratory Medicine, Yale University School of Medicine, P.O. Box 208035, New Haven, CT 06520-8035. Phone: (203) 688-3475. Fax: (203) 688-8177. E-mail: marie.landry{at}yale.edu.

Journal of Clinical Microbiology, January 2000, p. 429-430, Vol. 38, No. 1
0095-1137/0/$04.00+0
Copyright © 2000, American Society for Microbiology. All rights reserved.


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