Dr. Daniel B. Gregson

University Position

• - Associate Professor, Departments of Pathology & Laboratory Medicine and Medicine

Clinical Interests

• - Diagnostic Microbiology

Graduating Year

University of Toronto, 1983

Residency/Fellowship

• - Resident - Medical Microbiology, University of Toronto – 1988 - 1989.
• - Resident - Infectious Diseases, University of Toronto, Toronto General and Mount Sinai Hospital – 1986 - 1988.
• - General Internal Medicine Training Program, University of Toronto, Toronto General Hospital (R3), Toronto Western Hospital (R2), Women’s' College Hospital (Straight Internship) – 1983 - 1986.

Recent Publications

1. Laupland KB, Gregson DB, Flemons WW, Hawkins D, Ross T, Church DL. 2007. Burden on community-onset bloodstream infection: a population-based assessment. Epidemiol Infect; Aug;135 (6):1037-42. Epub 2006 Dec 7. PMID: 17156500 [PubMed – indexed for MEDLINE]
2. Church DL, Amante L, Semeniuk H, Gregson DB. 2007. Selective testing of women based on age for genital Chlamydia trachomatis and Neisseria gonorrhoeae infection in a centralized regional microbiology laboratory. Diagn Microbiol Infect Dis; Apr; 57(4):379-85. Epub 2007 Jan 19. PMID: 17240104 [PubMed – indexed for MEDLINE]
3. Health Region: emergence of CTX-M-15-producing isolates. Antimicrob Agents Chemother; Apr; 51(4):1281-6. Epub 2007 Feb 5. PMID: 17283198 [PubMed – indexed for MEDLINE]
4. Pitout JD, Church DL, Gregson DB, Chow BL, McCracken M. Mulvey MR, Laupland KB. 2007. Molecular epidemiology of CTX-M-producing Escherichia coli in the Calgary
5. Pitout JD, Gregson DB, Church DL, Laupland KB. 2007. Population-based laboratory surveillance for AmpC beta-lactamese-producing Escherichia coli, Calgary. Emerg Infect Dis; Mar;13(3):443-8. PMID 17552098 [PubMed – indexed for MEDLINE]
6. Laupland KB, Ross T, Pitout JD, Church DL, Gregson DB. 2007. Community-onset urinary tract infections: a population-based assessment. Infection; Jun;35(3):150-3. PMID : 17565455 [PubMed – indexed for MEDLINE]
7. Girard LP, Gregson DB. 2007. Community-acquired lung abscess caused by Legionella micdadei in a myeloma patient receiving thalidomide treatment. J Clin Microbiol; Sep;45 (9):3135-7. Epub 2007 Jul 3.
8. Laupland KB, Ross T, Pitout JD, Church DL, Gregson DB. 2007. Investigation of sources of potential bias in laboratory surveillance for anti-microbial resistance. Clin Invest Med; 30(4):E159-66. PMID : 17716594 [PubMed – indexed for MEDLINE]
9. Pitout JD, Chow BL, Gregson DB, Laupland KB, Elsayed S, Church DL. 2007. Molecular epidemiology of metallo-beta-lactamase-producing Pseudomonas aeruginosa in the Calgary Health Region: emergence of VIM-2-producing isolates. J Clin Microbiol; Feb;45(2):294-8. Epub 2006 Nov. 22. PMID: 17122002 [PubMed – indexed for MEDLINE]
10. Laupland KB, Ross T, Church DL, Gregson DB. 2007. Population-based surveillance of invasive pyogenic streptococcal infection in a large Canadian region. Clin Microbiol Infect; Mar;12(3):224-30. PMID: 16451408 [PubMed – indexed for MEDLINE]
11. Church DL, Amante L, Semeniuk H, Gregson DB. 2007. Selective testing of women based on age for genital Chlamydia trachomatis and Neisseria gonorrhoeae infection in a centralized regional microbiology laboratory. Diagn Microbiol Infect Dis; Apr; 57(4):379-385. Epub 2007 Jan 19. PMID : 17240104 [PubMed – as supplied by publisher]
12. Pitout JD, Church DL, Gregson DB, Chow BL, McCracken M, Mulvey MR, Laupland KB. 2007. Molecular epidemiology of CTX-M-producing Escherichia coli in the Calgary Health Region: emergence of CTX-M-15-producing isolates. Antimicrob Agents Chemother; Apr; 51(4):1281-6. Epub 2007 Feb 5. PMID: 17283198 [PubMed – in process]

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