Rebecca M. Harris, MD

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Rebecca M. Harris, MD, is the Director of the Infectious Disease Diagnostics Laboratory at Children's Hospital of Philadelphia.

Appointments and Referrals: 1-800-TRY-CHOP (1-800-879-2467)

Education and Training

Medical School

MD - Medical University of South Carolina, Charleston, SC


Clinical Pathology - Beth Israel Deaconess Medical Center (BIDMC) Harvard Medical School, Boston, MA (Chief Resident)


Medical Microbiology - University of Utah, ARUP Laboratories, Salt Lake City, UT

Board Certification

Clinical Pathology – American Board of Pathology
Medical Microbiology – American Board of Pathology

Titles and Academic Titles


Departments and Services




Hayden JA, Rossi A, Harris RM. : Is this as straightforward as it looks? Clinical Chemistry 65(3): 498-499, Mar 2019.

Goel R, Vasovic LV, Westblade LF, Harris R, D'Ambrosio D, Emmons F, Lo D, Hsu YS, Jenkins SG, and Cushing MM. : The power of a trained eye: fatal transfusion transmitted anaplasmosis and a case study in investigative work. Transfusion 59: 444-445, Feb 2019.

Cushing MM, Asmis LM, Harris RM, DeSimone RA, Hill S, Ivascu N, Haas T. : Efficacy of a new pathogen-reduced cryoprecipitate stored 5 days after thawing to correct dilutional coagulopathy in vitro. Published On-Line 59(5): 1818-1826, Feb 2019.


Cushing MM, Fitzgerald MM, Harris RH, Asmis L, Haas T. : Influence of cryoprecipitate, Factor XIII, and fibrinogen concentrate on hyperfibrinolysis. Transfusion 57(10): 2502-2510, Oct 2017.


Harris, RM: Couturier BA, Sample SC, Coulter KS, Casey KK, Schalberg R. Expanded geographic distribution and clinical characteristics of Ehrlichia ewingii infections, United States. Emerging Infectious Diseases 22(5): 862-865, May 2016.

Harris RM, Arnaout R, Koziel H, Folch E, Majid A, Kirby JE. : Utility of microbiological testing of thoracic lymph nodes sampled by endobronchial ultrasound-guided transbronchial needle aspiration (EBUS-TBNA)in patients with mediastinal lymphadenopathy. Diagnostic Microbiology and Infectious Disease 84(2): 170-174, Feb 2016.


Harris, RM, Stillman, IE, Goldsmith, JD, Qian, Q, Kirby JE.: Pathological rib fracture and soft tissue mass simulating malignancy - Cryptococcus, an unsuspected culprit. Diagnostic Microbiology and Infectious Disease. 81(3): 189-191, Mar 2015.


Freitas EAF, Harris RM, Blake RK, Salgado CD. : Prevalence of USA300 strain type of methicillin-resistant Staphylococcus aureus among patients with nasal colonization identified with active surveillance. Infection Control and Hospital Epidemiology 31(5): 469-475, May 2010.


Lin J, Gao H, Schallhorn KA, Harris RM, Cao W, Ke PC.: Lesion Recognition and Cleavage by Endonuclease V: A Single-Molecule Study. Biochemistry 46(24): 7132-37, Jun 2007.

Posters and Presentations


Cantu MD, Zhao Z, Kratz A, Harris RM: Hemolysis index quantification on Siemens ADVIA Chemistry XPT system. Academy of Clinical Laboratory Physicians and Scientists Annual Meeting Jun 2018 Notes: Poster Presentation.


Goel R, D'Ambrosio D, Westblade L, Kessler D, Harris R, Jenkins S, Cushing M. : First reported case of fatal transfusion-transmitted anaplasmosis: a case study in patient blood management. The Society for the Advancement of , September, 2017. The Society for the Advancement of Blood Management Annual Meeting Sep 2017 Notes: Poster Presentation.

Tiwari P, Harris R, Perlman J. : Management of infants ≥ 35 weeks at high risk for hypoglycemia is inconsistent with AAP recommendations and may impact neurocognitive outcome. Eastern Society for Pediatric Research Annual Meeting Mar 2017 Notes: Poster Presentation.

Invited Lectures


Harris RM. "Infectious Disease Testing in the Central Laboratory: Opportunities and Challenges". Children's Hospital of Philadelphia Clinical Pathology Conference. Philadelphia, PA. Nov 2018.

Harris RM. "M-component Testing in the NYC Area: A Roundtable Discussion of Challenging Cases. American Association for Clinical Chemistry, New York Metro Section Meeting. New York, NY. Mar 2018.

Harris RM. "HIV Diagnostics". Hospital of the University of Pennsylvania Clinical Pathology Conference. Philadelphia, PA. Feb 2018.


Harris RM. "Hemophiliacs and Factor Inhibitors" American Society for Clinical Laboratory Science New Jersey Chapter Seminar. Somerset, NJ. Apr 2017.

Awards and Honors

2008, Infectious Disease Society of America Medical Scholar
2007, Phi Beta Kappa, Clemson University
2007, Suzann Pershing Achievement Award, Medical University of South Carolina
2007, General Honors, Clemson University
2007-2011, College of Medicine Dean's Award, Medial University of South Carolina
2007, Magna Cum Laude, Clemson University
2005, Russian Language Scholarship, Clemson University

Leadership and Memberships

Memberships in Professional Organizations

2018-present, Academy of Clinical Laboratory Physicians and Scientists
2016-present, American Association for Clinical Chemistry
2015-present, Infectious Diseases Society of American
2013-present, American Society for Microbiology