False Negative Reactions

Bacteriology
False-Negative PCR Result Due to Gene Polymorphism: the Example of Neisseria meningitidis
Katia Jaton, Béatrice Ninet, Jacques Bille, Gilbert Greub
LETTERS TO THE EDITOR
False-Negative Results of a Validated Real-Time PCR Protocol for Diagnosis of Newcastle Disease Due to Genetic Variability of the Matrix Gene
G. Cattoli, C. De Battisti, S. Marciano, S. Ormelli, I. Monne, C. Terregino, I. Capua
Bacteriology
Failure of the MicroScan WalkAway System To Detect Heteroresistance to Carbapenems in a Patient with Enterobacter aerogenes Bacteremia
N. C. Gordon, D. W. Wareham
Virology
Census and Analysis of Persistent False-Negative Results in Serological Diagnosis of Human Immunodeficiency Virus Type 1 Group O Infections
J.-C. Plantier, M. Djemai, V. Lemée, A. Reggiani, M. Leoz, L. Burc, A. Vessière, D. Rousset, J.-D. Poveda, C. Henquell, A. Gautheret-Dejean, F. Barin
Mycobacteriology and Aerobic Actinomycetes
False-Negative Results Obtained with the Gen-Probe Amplified Mycobacteriumtuberculosis Direct Test Caused by Unrecognized Inhibition of the Amplification Reaction
Ji Yeon Kim, Mary Jane Ferraro, John A. Branda
Clinical Veterinary Microbiology
Inability of Real-Time Reverse Transcriptase PCR Assay To Detect Subtype H7 Avian Influenza Viruses Isolated from Wild Birds
Zheng Xing, Carol Cardona, Phuong Dao, Beate Crossley, Sharon Hietala, Walter Boyce
Bacteriology
Analysis of Toxigenic Corynebacterium ulcerans Strains Revealing Potential for False-Negative Real-Time PCR Results
Pamela K. Cassiday, Lucia C. Pawloski, Tejpratap Tiwari, Gary N. Sanden, Patricia P. Wilkins
Chlamydiology and Rickettsiology
Specimen Processing and Concentration of Chlamydia trachomatis Added Can Influence False-Negative Rates in the LCx Assay but Not in the APTIMA Combo 2 Assay When Testing for Inhibitors
S. Chong, D. Jang, X. Song, J. Mahony, A. Petrich, P. Barriga, M. Chernesky