Faculty profile
Sigmund Krajden
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Read how they describe their research on their University of Toronto profile.
Latest papers
Primary Subcutaneous Candidiasis Presenting as a Chronic Eschar-Covered Ulcer: A Diagnostic Challenge in an Immunocompromised Host – A Case Report and Literature Review
Case Reports in Dermatology · 2026
Prevalence of and risk factors for antimicrobial resistance in pneumococcal disease in southern Ontario during the PCV13 era.
Vaccine · 2026
Mycobacterium genavense Central Nervous System Infection in a Patient with AIDS.
The Canadian journal of neurological sciences. Le journal canadien des sciences neurologiques · 2023
13 publications.
Primary Subcutaneous Candidiasis Presenting as a Chronic Eschar-Covered Ulcer: A Diagnostic Challenge in an Immunocompromised Host – A Case Report and Literature Review
Kumudhavalli Kavanoor Sridhar, Greg J. German, Sigmund Krajden, Zared Aziz, Yan Chen, James Alexander Scott, Richard C. Summerbell
Prevalence of and risk factors for antimicrobial resistance in pneumococcal disease in southern Ontario during the PCV13 era.
Shigayeva A, Coleman BL, Golden AR, Martin I, Zhanel G, Adam H, Gold WL, Kandel C, Katz KC, Krajden S, Lovinsky R, Muller MP, Ostrowska K, Rau N, Ricciuto D, Richardson D, Vermeiren C, Faheem A, Farooqi L, Green K, Hassan K, Lefebvre M, Li AX, Malik N, Nayani S, Pejkovska M, Plevneshi A, Sultana A, Vikulova T, Zhong Z, McGeer A, Toronto Invasive Bacterial Diseases Network
Mycobacterium genavense Central Nervous System Infection in a Patient with AIDS.
Kuczynski AM, Krajden S, Spears J, Kus JV, Munoz DG, Ostrowski M, Chen Y, Supala-Berger A
Cutaneous mucormycosis in the immunocompromised host: An important cause of persistent post traumatic skin lesions.
Beliavsky A, Krajden S, Aziz Z, Scott JA, Summerbell R
Early diagnosis of monomicrobial Clostridioides difficile bacteremia in a patient without colitis
Jennifer Tat, Sigmund Krajden, Samir N. Patel, Greg J. German
A case of SAPHO syndrome with Staphylococcus saprophyticus and Cutibacterium acnes osteitis.
Waters M, Krajden S, Stein J, Elmaraghy A, Eisen A, Aziz Z
Case Report: Two Cases of Strongyloidiasis Presenting with Thrombotic Events.
Waters M, Krajden S, Kim C, Elsobky R, Lychacz B, Cheung M, Crowther M, Keystone J
Acute Liver Injury Associated with Khat Use in a 24-Year-Old Male.
Waters M, Oxner A, Krajden S, Sultanian R
Complete Genome of a Panresistant Pseudomonas aeruginosa Strain, Isolated from a Patient with Respiratory Failure in a Canadian Community Hospital.
Xiong J, Déraspe M, Iqbal N, Krajden S, Chapman W, Dewar K, Roy PH
Invasive Pneumococcal Disease Among Immunocompromised Persons: Implications for Vaccination Programs
Shigayeva A, Rudnick W, Green K, Chen DK, Demczuk W, Gold WL, Johnstone J, Kitai I, Krajden S, Lovinsky R
Frequent collaborators
- Allison McGeer and Andrew Simor: 151 shared papers
- Mark Loeb and Allison McGeer: 100 shared papers
- Mark Loeb and Andrew Simor: 53 shared papers
- Gregory German and Greg German: 45 shared papers
- Allison McGeer and Gregory Tyrrell: 26 shared papers
- James Scott and Richard Summerbell: 26 shared papers
- Allison McGeer and Julianne Kus: 24 shared papers
- Mark Loeb and Fiona Smaill: 17 shared papers
- Deborah Yamamura and Allison McGeer: 13 shared papers
- Julianne Kus and Gregory Tyrrell: 11 shared papers
- Mark Loeb and Deborah Yamamura: 9 shared papers
- Allison McGeer and Christopher Kandel: 9 shared papers
- Deborah Yamamura and Fiona Smaill: 8 shared papers
- Fiona Smaill and Allison McGeer: 8 shared papers
- Allison McGeer and Heather Adam: 6 shared papers
- Mark Loeb and Gregory Tyrrell: 5 shared papers
- Deborah Yamamura and Andrew Simor: 5 shared papers
- Deborah Yamamura and Julianne Kus: 5 shared papers
- Fiona Smaill and Ari Bitnun: 5 shared papers
- Allison McGeer and Gregory German: 5 shared papers
- Allison McGeer and Greg German: 5 shared papers
- Gregory Tyrrell and Heather Adam: 5 shared papers
- Allison McGeer and Sigmund Krajden: 4 shared papers
- Ari Bitnun and Ian Kitai: 4 shared papers
- Mark Loeb and Sigmund Krajden: 3 shared papers
- Deborah Yamamura and Ian Kitai: 3 shared papers
- Allison McGeer and Baldwin Toye: 3 shared papers
- Allison McGeer and Ken Dewar: 3 shared papers
- Allison McGeer and George Zhanel: 3 shared papers
- Allison McGeer and Ari Bitnun: 3 shared papers
- Allison McGeer and Ian Kitai: 3 shared papers
- Andrew Simor and Baldwin Toye: 3 shared papers
- Gregory Tyrrell and Sigmund Krajden: 3 shared papers
- Sigmund Krajden and Mara Waters: 3 shared papers
- Deborah Yamamura and Sigmund Krajden: 2 shared papers
- Deborah Yamamura and Christopher Kandel: 2 shared papers
- Fiona Smaill and Sigmund Krajden: 2 shared papers
- Allison McGeer and James Scott: 2 shared papers
- Andrew Simor and Gregory German: 2 shared papers
- Andrew Simor and Richard Summerbell: 2 shared papers
- Andrew Simor and Heather Adam: 2 shared papers
- Andrew Simor and Greg German: 2 shared papers
- Andrew Simor and Sigmund Krajden: 2 shared papers
- Julianne Kus and George Zhanel: 2 shared papers
- Julianne Kus and Christopher Kandel: 2 shared papers
- Gregory Tyrrell and George Zhanel: 2 shared papers
- Gregory German and Sigmund Krajden: 2 shared papers
- James Scott and Sigmund Krajden: 2 shared papers
- Richard Summerbell and Sigmund Krajden: 2 shared papers
- Yan Chen and Sigmund Krajden: 2 shared papers
- Greg German and Sigmund Krajden: 2 shared papers
- Sigmund Krajden and Ian Kitai: 2 shared papers
- Agnes Supala-Berger and Julian Spears: 2 shared papers
- Mark Loeb and Baldwin Toye: 1 shared paper
- Andrew Simor and Yan Chen: 1 shared paper
- Julianne Kus and Yan Chen: 1 shared paper
- Julianne Kus and Sigmund Krajden: 1 shared paper
- Julianne Kus and Agnes Supala-Berger: 1 shared paper
- Julianne Kus and Julian Spears: 1 shared paper
- Gregory Tyrrell and Ken Dewar: 1 shared paper
- Baldwin Toye and Sigmund Krajden: 1 shared paper
- Heather Adam and Sigmund Krajden: 1 shared paper
- Ken Dewar and Sigmund Krajden: 1 shared paper
- George Zhanel and Sigmund Krajden: 1 shared paper
- Yan Chen and Agnes Supala-Berger: 1 shared paper
- Yan Chen and Julian Spears: 1 shared paper
- Sigmund Krajden and Agnes Supala-Berger: 1 shared paper
- Sigmund Krajden and Jonathan Stein: 1 shared paper
- Sigmund Krajden and Christopher Kandel: 1 shared paper
- Sigmund Krajden and Amr ElMaraghy: 1 shared paper
- Sigmund Krajden and Julian Spears: 1 shared paper
- Sigmund Krajden and Ari Bitnun: 1 shared paper
- Mara Waters and Jonathan Stein: 1 shared paper
- Mara Waters and Amr ElMaraghy: 1 shared paper
- Jonathan Stein and Amr ElMaraghy: 1 shared paper
- Department of Laboratory Medicine & Pathobiology
- Department of Medicine
- Department of Pathology and Molecular Medicine
- Department of Paediatrics
- Occupational & Environmental Health Division
- Department of Surgery
- Medicine
- Other
Co-authors at University of Toronto, colored by department. Thicker lines mean more shared papers; select anyone to open their profile and their own map.
Allison McGeer
Department of Laboratory Medicine & Pathobiology
4 shared papers, latest 2026
Mara Waters
Department of Medicine
3 shared papers, latest 2020
Mark Loeb
Department of Pathology and Molecular Medicine
3 shared papers, latest 2016
Gregory Tyrrell
Medicine
3 shared papers, latest 2016
Ian Kitai
Department of Paediatrics
2 shared papers, latest 2016
Gregory German
Faculty
2 shared papers, latest 2026
Deborah Yamamura
Department of Pathology and Molecular Medicine
2 shared papers, latest 2016
Fiona Smaill
Department of Pathology and Molecular Medicine
2 shared papers, latest 2016
Andrew Simor
Department of Laboratory Medicine & Pathobiology
2 shared papers, latest 2013
James Scott
Occupational & Environmental Health Division
2 shared papers, latest 2026
Richard Summerbell
Occupational & Environmental Health Division
2 shared papers, latest 2026
Yan Chen
Department of Laboratory Medicine & Pathobiology
2 shared papers, latest 2026
Greg German
Department of Laboratory Medicine & Pathobiology
2 shared papers, latest 2026
Agnes Supala-Berger
Department of Medicine
1 shared papers, latest 2023
Jonathan Stein
Department of Medicine
1 shared papers, latest 2020
Christopher Kandel
Department of Medicine
1 shared papers, latest 2026
Matthew Muller
Department of Laboratory Medicine & Pathobiology
1 shared papers, latest 2016
Krystyna Ostrowska
Department of Medicine
1 shared papers, latest 2013
Amr ElMaraghy
Department of Surgery
1 shared papers, latest 2020
Julian Spears
Department of Surgery
1 shared papers, latest 2023
Ronit Agid
Department of Medical Imaging
1 shared papers, latest 2014
Ari Bitnun
Department of Paediatrics
1 shared papers, latest 2016
Neil Rau
Department of Medicine
1 shared papers, latest 2016
Matthew Cheung
Department of Medicine
1 shared papers, latest 2019
Julianne Kus
Department of Laboratory Medicine & Pathobiology
1 shared papers, latest 2023
Mario Ostrowski
Department of Laboratory Medicine & Pathobiology
1 shared papers, latest 2023
Mark Crowther
Department of Medicine
1 shared papers, latest 2019
Baldwin Toye
Pathology and Laboratory Medicine
1 shared papers, latest 2007
Kevin Katz
Department of Laboratory Medicine & Pathobiology
1 shared papers, latest 2013
Susan Richardson
Department of Laboratory Medicine & Pathobiology
1 shared papers, latest 2013
Michael Silverman
Medicine
1 shared papers, latest 2013
Heather Adam
Faculty
1 shared papers, latest 2026
Ken Dewar
Department of Human Genetics
1 shared papers, latest 2017
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Profile data last refreshed on September 29, 2026 from the university directory, publication records and public research funding records.