Laurel J Glaser, MD, PhD, D(ABMM)
Associate Professor of Clinical Pathology and Laboratory Medicine
Director, Clinical Microbiology Laboratory, Hospital of the University of Pennsylvania
Associate Director, Pathology and Laboratory Medicine Residency Program, Hospital of the University of Pennsylvania
Department: Pathology and Laboratory Medicine
Contact information
Hospital of the University of Pennsylvania
3400 Spruce Street
4 Gates Building
Philadelphia, PA 19104
3400 Spruce Street
4 Gates Building
Philadelphia, PA 19104
Office: 215-662-3457
Fax: 215-349-8291
Lab: 215-662-3406
Fax: 215-349-8291
Lab: 215-662-3406
Education:
ScB (Biochemistry)
Brown University, 1998.
MD PhD (Microbiology)
Mount Sinai School of Medicine , 2009.
Permanent linkScB (Biochemistry)
Brown University, 1998.
MD PhD (Microbiology)
Mount Sinai School of Medicine , 2009.
Selected Publications
Loabile B, Lautenbach E, Mannathoko N, Mosepele M, Styczynski A, Smith RM, Cressman L, Jaskowiak-Barr A, Bilker WB, Alby K, Glaser L, Richard-Greenblatt M, Cowden L, Sewawa K, Otukile D, Paganotti GM, Mokomane M, Gross R.: Risk Factors for Community Colonization With Extended-Spectrum Cephalosporin-Resistant Enterobacterales Among People Living With HIV in Botswana. Open Forum Infect Dis. 13(2), 2026.Zaydman MA, Glaser L, Herman DS, Kressloff M, Azimi V, Lockowitz CR, Dumm RE.: Leveraging patient data to detect systematic shifts in daptomycin susceptibility testing associated with reduced prescribing. J Clin Microbiol. 2026.
Mendoza LM, Anderson EM, Leonard AS, McFarland AG, Ort JT, Tanenbaum N, Durosinmi A, Bushman FD, Glaser LJ, Nachamkin I, Hensley SE: Antigenic Characterization of H1N1 Influenza Viruses That Circulated During the 2019-2020 Season in Philadelphia, Pennsylvania. Influenza. Influenza Other Respir Viruses June 2025.
Ziegler MJ, Loughrey S, Bekele S, Huang E, Tolomeo P, David MZ, Lautenbach E, Glaser LJ, Kelly BJ.: Comparative performance of sponge versus flocked swabs for culture-based and metagenomic detection of microbial contamination in the healthcare environment. Infect Control Hosp Epidemiol May 2025.
Shivji S, Mannathoko N, Mosepele M, Gross R, Cressman L, Jaskowiak-Barr A, Bilker WB, Alby K, Glaser L, Richard-Greenblatt M, Cowden L, Patel A, Sewawa K, Otukile D, Paganotti GM, Mokomane M, Snitkin E, Lautenbach E.: Risk factors for household colonization by extended-spectrum cephalosporin-resistant enterobacterales (ESCrE) in Botswana. Antimicrob Resist Infect Control. Antimicrob Resist Infect Control May 2025.
Ziegler MJ, Anesi J, Tolomeo P, Glaser L, Cowden L, Cressman L, Huang E, Patel A, Lautenbach E, Pegues DA, Kelly BJ.: Screening and targeted prophylaxis for Clostridioides difficile infection. Clin Microbiol Infect. 31(11), 2025.
Ladines-Lim JB, Yang WT, Tebas P, O'Donnell J, Koenig H, Kreider E, Dyer K, Anwar M, Rodriguez E, Patel S, Rodino K, Glaser L, Richterman A: Delayed diagnosis of disseminated Mycobacterium intracellulare subsp. chimaera infective endocarditis via cell-free metagenomic next-generation sequencing: a case report. ASM Case Rep. 1(5), 2025.
Alexander, SA, Boulanger, EF, McAulay, K, Cowden, L, Glaser, LJ and Rodino, RG: Evaluating Inducible Macrolide Resistance in M. chelonae Clinical Isolates. Microbe, Los Angelas, CA June 2024.
Fabre V, Cosgrove SE, Milstone AM, Salinas AB, Degnan KO, Gettler EB, Glaser LJ, Johnson JK, Moehring RW, Nelson GE, Rittmann B, Rodriguez-Nava G, Ryder JH, Salinas JL, Schrank GM, Talbot TT, Van Schooneveld TC, Wasylyshyn A, Xie A: Mixed-methods multicenter assessment of healthcare workers' knowledge, perceptions, and practices related to blood culture utilization in hospitalized adults. Infect Control Hosp Epidemiol. 2024.
Comar CE, Dumm, RE, Hendricks KI, Glaser, LJ and Rodino, KR.: Evaluation of a Novel Sample Preparation Workflow for Rapid Identification and Susceptibility Testing of Gram-Negative Bacilli Directly from Blood Cultures. Microbe, Houston Texas June 2023.