A photo of David Haslam.

David B. Haslam, MD

  • Director, Antimicrobial Stewardship Program
  • Director, Microbial Genomics and Metagenomics Laboratory
  • Professor, UC Department of Pediatrics
I work with my patients and their families as a team and feel that taking care of children is a wonderful privilege and a responsibility.
David B. Haslam, MD



I was influenced by my father, who was a pediatrician and took great satisfaction in caring for children. As a pediatric infectious disease specialist, I work with my patients and their families as a team and feel that taking care of children is a wonderful privilege and a responsibility.

In my practice, I try to be flexible by coordinating my patients’ appointments with those of other providers when possible. I’m committed to providing continuity and to being accessible between visits.

I’m the director of the Antimicrobial Stewardship Program and the Microbial Genomics and Metagenomics Laboratory. I've received several teaching and research awards, including the Pediatric Infectious Disease Society Young Investigator Award.

The main focus of my research is on the microbiome, which is the community of bacteria, viruses, fungi and other organisms that live on the human body. The goal is to understand how the microbiome influences disease and contributes to health in children. A healthy microbiome helps protect against infection, allergy, gastrointestinal diseases, heart disease, diabetes and diseases of premature infants.

In my free time, I enjoy riding my bike.

MD: University of Calgary, Calgary, Alberta.

Rotating Internship: McGill University, Montreal, Quebec.

Residency: University of Ottawa, Ottawa, Quebec.

Fellowship: Washington University School of Medicine, St. Louis, MO.

Services and Specialties

Infectious Diseases, Autoimmune Liver Disease

Research Areas

Infectious Diseases

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A randomized phase 2 trial of oral vitamin A for graft-versus-host disease in children and young adults. Khandelwal, P; Langenberg, L; Luebbering, N; Lake, KE; Butcher, A; Bota, K; Ramos, KN; Taggart, C; Choe, H; Vasu, S; Watanabe-Chailland, M; Haslam, DB; Lane, A; Davies, SM. Blood. 2024; 143:1181-1192.

Acute pancreatitis is associated with gut dysbiosis in children. Dike, CR; Ollberding, NJ; Thompson, T; Kotha, N; Minar, P; Vitale, DS; Lin, TK; Nasr, A; Denson, LA; Haslam, DB; Abu-El-Haija, M. Digestive and Liver Disease. 2024; 56:444-450.

Thermoneutral Housing Enables Studies of Vertical Transmission of Obesogenic Diet-Driven Metabolic Diseases. Wayland, JL; Doll, JR; Lawson, MJ; Stankiewicz, TE; Oates, JR; Sawada, K; Damen, MS M A; Alarcon, PC; Haslam, DB; Trout, AT; Woo, JG; Moreno-Fernandez, ME; Mouzaki, M; Divanovic, S. Nutrients. 2023; 15:4958.

MGS2AMR: a gene-centric mining of metagenomic sequencing data for pathogens and their antimicrobial resistance profile. Van Camp, PJ; Prasath, VB S; Haslam, DB; Porollo, A. Microbiome. 2023; 11:223.

Kruppel-like factor 2+ CD4 T cells avert microbiota-induced intestinal inflammation. Shao, TY; Jiang, TT; Stevens, J; Russi, AE; Troutman, TD; Bernieh, A; Pham, G; Erickson, JJ; Eshleman, EM; Alenghat, T; Weaver, CT; Haslam, DB; Deshmukh, H; Way, SS. Cell Reports. 2023; 42:113323.

1453. Whole Genome Sequencing: A Useful Tool in a VRE Outbreak Among Immunocompromised Pediatric Patients. Murphy, CR; Mahulkar, S; Griffin, G; Griffin, C; Ankrum, AL; Otto, WR; Danziger-Isakov, LA; Haslam, D; Scaggs-Huang, F. Open Forum Infectious Diseases. 2023; 10:ofad500.1290.

Obesity Alters cytokine signaling and gut microbiome in septic mice. Bodilly, L; Williamson, L; Lahni, P; Alder, MN; Haslam, DB; Kaplan, JM. Innate Immunity. 2023; 29:161-170.

Acute pancreatitis is associated with gut dysbiosis in children. Dike, C; Ollberding, N; Thompson, T; Kotha, N; Minar, P; Vitale, D; Lin, T; Nasr, A; Denson, L; Haslam, D; Abu-El-Haija, M. Pancreatology : official journal of the International Association of Pancreatology (IAP) ... [et al.]. 2023; 23:e3-e4.

Multi-omics analysis of mucosal and systemic immunity to SARS-CoV-2 after birth. Wimmers, F; Burrell, AR; Feng, Y; Zheng, H; Arunachalam, PS; Hu, M; Spranger, S; Nyhoff, LE; Joshi, D; Trisal, M; Khurana, S; Khatri, P; Staat, MA; Pulendran, B. Cell. 2023; 186:4632-4651.e23.

A 2-month-old Infant with 14 Days of Fever and Hepatosplenomegaly. Tan, C; Teoh, Z; Haslam, D; Gosdin, C. Pediatrics in review / American Academy of Pediatrics. 2023; 44:S22-S24.

From the Blog

Antibiotics Are Not Always the Answer
Blog Healthy Living

Antibiotics Are Not Always the Answer

By David B. Haslam, MD11/8/2023

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