Daniela Hermelin, M.D.

Associate professor, Division of Clinical Pathology/Laboratory Medicine
Department of Pathology

Courses Taught

Co-director, MED-140 Introduction to Pathology

Education

Fellowship
Transfusion medicine, Saint Louis University School of Medicine

Residency
Anatomic and clinical pathology, Saint Louis University School of Medicine

Medical School
St. George's University School of Medicine

Practice Areas

Blood banking and transfusion medicine

Publications and Media Placements

Thomas SJ, Waxman DA, Hermelin D, Hartwell E, Gorlin JB, Carayiannis S, Rajbhandary S, Bunch CM, Miller JB, Johnson JL, Lopez-Plaza I, Brancamp RL, Moore EE, Moore HB, Moore PK, Thomas SG, Zimmer DF, Al-Fadhl MD, Walsh MM, Futile Indicators For Stopping Transfusion In Trauma Fistt Group. Prevalence of Futility Protocols for Severely Bleeding Trauma Patients: A Survey from the Association for the Advancement of Blood & Biotherapies (AABB). J Clin Med. 2026 Feb 15;15(4):1541. doi: 10.3390/jcm15041541. PMID: 41753230; PMCID: PMC12941769.
Straus T, Hermelin D, Coberly E. Implementation of the Individual Risk Assessment and Changes to Deferral Periods Since 2020. Clin Lab Med. 2026 Mar;46(1):1-11. doi: 10.1016/j.cll.2025.10.001. Epub 2025 Nov 27. PMID: 41741049.
Hermelin D. Implementation of Viscoelastic Testing at the Point of Care: Practical Pearls for Clinical Integration. Clin Lab Med. 2025 Dec;45(4):531-545. doi: 10.1016/j.cll.2025.07.001. Epub 2025 Aug 13. PMID: 41161974.
Siu J, Katz L, Pagano MB, Hermelin D. Steps Forward to a Fair and Inclusive Blood Supply. Clin Lab Med. 2024 Dec;44(4):619-628. doi: 10.1016/j.cll.2024.07.009. Epub 2024 Sep 17. PMID: 39490120.
Yazer MH, Beckett A, Bloch EM, Cap AP, Cohn CS, Gurney J, Hermelin D, Spinella PC. It is time to reconsider leukoreduction of whole blood for use in patients with life-threatening hemorrhage. Transfusion. 2024 Dec;64(12):2391-2399. doi: 10.1111/trf.18047. Epub 2024 Oct 17. PMID: 39417564.
Tanhehco YC, Fung M, Hermelin D, Becker J, Lu W. RhD-positive red blood cell allocation practice to RhD-negative patients before and during the COVID-19 pandemic. Am J Clin Pathol. 2025 Feb 12;163(2):215-223. doi: 10.1093/ajcp/aqae113. PMID: 39287493.
Gammon RR, Almozain N, Hermelin D, Klein N, Mangwana S, Nair AR, O'Brien JJ, Shmookler AD, Stephens L, Bocquet C. RhD-Alloimmunization in Adult and Pediatric Trauma Patients. Transfus Med Rev. 2024 Oct;38(4):150842. doi: 10.1016/j.tmrv.2024.150842. Epub 2024 Jul 10. PMID: 39127022.
Lu W, Stephens L, Shmookler A, O'Brien K, Karp JK, Hermelin D, Bakhtary S, Almozain N, George M, Fung M. Rh immune globulin immunoprophylaxis after RhD-positive red cell exposure in RhD-negative patients via transfusion: A survey of practices. Transfusion. 2024 May;64(5):839-845. doi: 10.1111/trf.17812. Epub 2024 Mar 27. PMID: 38534065.
Parsons MG, Hermelin D, Hennenfent A, Tiller RV, Annambhotla P, Negrón ME, Basavaraju SV, Katz LM. Animal vaccine strain Brucella abortus infection in a plateletpheresis donor: A case report. Transfusion. 2024 May;64(5):946-948. doi: 10.1111/trf.17799. Epub 2024 Mar 19. PMID: 38501889; PMCID: PMC11970433.
Pandey S, Goel R, Kapral J, Kieffer T, Kang J, Shaffer H, Hermelin D, Hartwell B. The use of mixed reality technology within the donor collection experience. Transfusion. 2024 Feb;64(2):315-324. doi: 10.1111/trf.17712. Epub 2024 Jan 29. PMID: 38284641.

Honors and Awards

America’s Blood Centers 2024 Distinguished Service Award
Pathologist Magazine Solid Foundation Nomination
AABB President’s Award
Graduate Medical Education Humanistic Healer Award, SSM Health Saint Louis University Hospital
Best Microscopic Photo Award - Pathology Department, Saint Louis University School of Medicine (2015, 2016)

Professional Organizations and Associations

AABB (formerly the American Association of Blood Banks)
American Society for Apheresis
International Society of Blood Transfusion
Heart of America Association of Blood Banks
American Society for Clinical Pathology
College of American Pathologists