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Daniel T. Leung, MD, MSc

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Languages Spoken: English, Yue Chinese

Labs: Website

Dr. Daniel Leung is a tenured Associate Professor in the Division of Infectious Diseases. He received his M.D. from the Wake Forest University School of Medicine, completed a residency in Internal Medicine at the University of Washington in Seattle, and a fellowship in Infectious Diseases at Beth Israel Deaconess Medical Center / Harvard Medical School in Boston. Dr. Leung also has clinical experience in several international settings. Before joining the University of Utah in 2014, Dr. Leung was an Instructor of Medicine at Harvard Medical School.

Dr. Leung is Board-Certified in Infectious Diseases, and sees patients on the Infectious Diseases consult service at the University of Utah Hospital and in the International Travel Clinic. He has a Certificate in Travel Health from the International Society of Travel Medicine, and is the Utah site director of the CDC-sponsored Global TravEpiNet and GeoSentinel surveillance networks for travel-related illnesses. His research focuses on the immunology, epidemiology, and clinical management of diarrheal diseases such as cholera, as well as investigations of gut dysfunction in returning travelers. He has published over 65 peer-reviewed research articles and is funded by grants from the National Institutes of Health and the Bill and Melinda Gates Foundation.

Research: http://www.globalguthealth.org

Clinical Locations

University Hospital
Infectious Diseases, Clinic 1A

801-585-2031

50 N Medical Dr
Salt Lake City, UT  84132
Map

Specialties

  • Travel and Geographic Medicine
  • Infectious Diseases

Board Certification and Academic Information

Academic Departments Internal Medicine - Associate Professor
Pathology - Adjunct Associate Professor
Academic Divisions Infectious Diseases
Microbiology and Immunology
Board Certification American Board of Internal Medicine (Sub: Infectious Disease)

Dr. Daniel Leung is a tenured Associate Professor in the Division of Infectious Diseases. He received his M.D. from the Wake Forest University School of Medicine, completed a residency in Internal Medicine at the University of Washington in Seattle, and a fellowship in Infectious Diseases at Beth Israel Deaconess Medical Center / Harvard Medical School in Boston. Dr. Leung also has clinical experience in several international settings. Before joining the University of Utah in 2014, Dr. Leung was an Instructor of Medicine at Harvard Medical School.

Dr. Leung is Board-Certified in Infectious Diseases, and sees patients on the Infectious Diseases consult service at the University of Utah Hospital and in the International Travel Clinic. He has a Certificate in Travel Health from the International Society of Travel Medicine, and is the Utah site director of the CDC-sponsored Global TravEpiNet and GeoSentinel surveillance networks for travel-related illnesses. His research focuses on the immunology, epidemiology, and clinical management of diarrheal diseases such as cholera, as well as investigations of gut dysfunction in returning travelers. He has published over 65 peer-reviewed research articles and is funded by grants from the National Institutes of Health and the Bill and Melinda Gates Foundation.

Research: http://www.globalguthealth.org

Academic Locations

School of Medicine

801-581-8812

30 N 1900 E
University of Utah, Infectious Diseases, 4B319
Salt Lake City, UT  84132

Board Certification and Academic Information

Academic Departments Internal Medicine - Associate Professor
Pathology - Adjunct Associate Professor
Academic Divisions Infectious Diseases
Microbiology and Immunology
Board Certification American Board of Internal Medicine (Sub: Infectious Disease)

Education History

Research Fellow International Centre for Diarrhoeal Disease Research
Immunology
Research Fellow
Research Fellow Massachusetts General Hospital, Harvard Medical School
Infectious Disease
Research Fellow
Fellowship Beth Israel Deaconess Medical Center, Harvard Medical School
Infectious Disease
Clinical Fellow
Residency University of Washington Hospitals
Internal Medicine
Resident
Professional Medical Wake Forest University School of Medicine
Medicine
M.D.
Graduate Training University of British Columbia
Pharmacology & Therapeutics
M.Sc.
Undergraduate University of British Columbia
Pharmacology & Therapeutics
B.Sc.

Selected Publications - Journal Articles

Journal Article

  1. Garbern SC, Chu TC, Yang P, Gainey M, Nasrin S, Kanekar S, Qu K, Nelson EJ, Leung DT, Ahme D, Schmid CH, Alam NH, Levine AC (2021). Clinical and Socio-Environmental Determinants of Multidrug Resistant Vibrio cholerae 01 in Older Children and Adults in Bangladesh. (Epub ahead of print) Int J Infect Dis.
  2. Reimer JR, Ahmed SM, Brintz B, Shah RU, Keegan LT, Ferrari MJ, Leung DT (2021). Using a clinical prediction rule to prioritize diagnostic testing leads to reduced transmission and hospital burden: A modeling example of early SARS-CoV-2. (Epub ahead of print) Clin Infect Dis.
  3. Ahmed SM, Shah RU, Fernandez V, Grineski S, Brintz B, Samore MH, Ferrari MJ, Leung DT, Keegan LT (2021). Robust Testing in Outpatient Settings to Explore COVID-19 Epidemiology: Disparities in Race/Ethnicity and Age, Salt Lake County, Utah, 2020. Public Health Rep, 33354920988612.
  4. Brintz BJ, Haaland B, Howard J, Chao DL, Proctor JL, Khan AI, Ahmed SM, Keegan LT, Greene T, Keita AM, Kotloff KL, Platts-Mills JA, Nelson EJ, Levine AC, Pavia AT, Leung DT (2021). A modular approach to integrating multiple data sources into real-time clinical prediction for pediatric diarrhea. eLife, 10.
  5. Liou TG, Adler FR, Cahill BC, Cox DR, Cox JE, Grant GJ, Hanson KE, Hartsell SC, Hatton ND, Helms MN, Jensen JL, Kartsonaki C, Li Y, Leung DT, Marvin JE, Middleton EA, Osburn-Staker SM, Packer KA, Shakir SM, Sturrock AB, Tardif KD, Warren KJ, Waddoups LJ, Weaver LJ, Zimmerman E, Paine R 3rd (2020). SARS-CoV-2 innate effector associations and viral load in early nasopharyngeal infection. Physiol Rep, 9(4), e14761.
  6. Worby CJ, Earl AM, Turbett SE, Becker M, Rao SR, Oliver E, Taylor Walker A, Walters M, Kelly P, Leung DT, Knouse M, Hagmann SHF, Ryan ET, LaRocque RC (2020). Acquisition and Long-term Carriage of Multidrug-Resistant Organisms in US International Travelers. Open Forum Infect Dis, 7(12), ofaa543.
  7. Azman AS, Lauer SA, Bhuiyan TR, Luquero FJ, Leung DT, Hegde ST, Harris JB, Paul KK, Khaton F, Ferdous J, Lessler J, Salje H, Qadri F, Gurley ES (2020). Vibrio cholerae O1 transmission in Bangladesh: insights from a nationally representative serosurvey. Lancet Microbe, 1(8), e336-e343.
  8. Charles RC, Kelly M, Tam JM, Akter A, Hossain M, Islam K, Biswas R, Kamruzzaman M, Chowdhury F, Khan AI, Leung DT, Weil A, LaRocque RC, Bhuiyan TR, Rahman A, Mayo-Smith LM, Becker RL, Vyas JM, Faherty CS, Nickerson KP, Giffen S, Ritter AS, Waldor MK, Xu P, Kov P, Calderwood SB, Kauffman RC, Wrammert J, Qadri F, Harris JB, Ryan ET (2020). Humans Surviving Cholera Develop Antibodies against Vibrio cholerae O-Specific Polysaccharide That Inhibit Pathogen Motility. mBio, 11(6).
  9. Nicolini LAP, Stoney RJ, Della Vecchia A, Grobusch M, Gautret P, Angelo KM, van Genderen PJJ, Bottieau E, Leder K, Asgeirsson H, Leung DT, Connor B, Pandey P, Toscanini F, Gobbi F, Castelli F, Bassetti M, Hamer DH (2020). Travel-related hepatitis E: a two-decade GeoSentinel analysis. J Travel Med, 27(7).
  10. Trivedi S, Labuz D, Anderson CP, Araujo CV, Blair A, Middleton EA, Jensen O, Tran A, Mulvey MA, Campbell RA, Hale JS, Rondina MT, Leung DT (2020). Mucosal-associated invariant T (MAIT) cells mediate protective host responses in sepsis. eLife, 9.
  11. Shahrin L, Chisti MJ, Brintz B, Islam Z, Shahid ASMSB, Hassan MZ, Leung DT, Chowdhury F (2020). Clinical and laboratory predictors of 30-day mortality in severe acute malnourished children with severe pneumonia. Trop Med Int Health, 25(11), 1422-1430.
  12. Hagmann SHF, Angelo KM, Huits R, Plewes K, Eperon G, Grobusch MP, McCarthy A, Libman M, Caumes E, Leung DT, Asgeirsson H, Jensenius M, Schwartz E, Snchez-Montalv A, Kelly P, Pandey P, Leder K, Bourque DL, Yoshimura Y, Mockenhaupt FP, van Genderen PJJ, Odolini S, Schlagenhauf P, Connor BA, Hamer DH (2020). Epidemiological and Clinical Characteristics of International Travelers with Enteric Fever and Antibiotic Resistance Profiles of Their Isolates: a GeoSentinel Analysis. Antimicrob Agents Chemother, 64(11).
  13. Brintz BJ, Howard JI, Haaland B, Platts-Mills JA, Greene T, Levine AC, Nelson EJ, Pavia AT, Kotloff KL, Leung DT (2020). Clinical predictors for etiology of acute diarrhea in children in resource-limited settings. PLoS Negl Trop Dis, 14(10), e0008677.
  14. Crabb BT, Lyons A, Bale M, Martin V, Berger B, Mann S, West WB Jr, Brown A, Peacock JB, Leung DT, Shah RU (2020). Comparison of International Classification of Diseases and Related Health Problems, Tenth Revision Codes With Electronic Medical Records Among Patients With Symptoms of Coronavirus Disease 2019. JAMA Netw Open, 3(8), e2017703.
  15. Bryant JE, Azman AS, Ferrari MJ, Arnold BF, Boni MF, Boum Y, Hayford K, Luquero FJ, Mina MJ, Rodriguez-Barraquer I, Wu JT, Wade D, Vernet G, Leung DT (2020). Serology for SARS-CoV-2: Apprehensions, opportunities, and the path forward. Sci Immunol, 5(47).
  16. Diep TT, Jensen O, Van Thuong N, Nhi NTN, Thu NNA, Quang VN, Hieu TC, Thang HA, Thuy ND, Thang HV, Tuyen HT, Ngan LD, Ha NTT, Dung TD, Anderson CP, Azman AS, Leung DT (2020). Sero-evaluation of Immune Responses to Vibrio cholerae in a Postelimination Setting. Open Forum Infect Dis, 7(5), ofaa136.
  17. Boggild AK, Caumes E, Grobusch MP, Schwartz E, Hynes NA, Libman M, Connor BA, Chakrabarti S, Parola P, Keystone JS, Nash T, Showler AJ, Schunk M, Asgeirsson H, Hamer DH, Kain KC, GeoSentinel Surveillance Network (2019). Cutaneous and mucocutaneous leishmaniasis in travellers and migrants: a 20-year GeoSentinel Surveillance Network analysis. J Travel Med, 26(8).
  18. Hossain M, Islam K, Kelly M, Mayo Smith LM, Charles RC, Weil AA, Bhuiyan TR, Kov P, Xu P, Calderwood SB, Simon JK, Chen WH, Lock M, Lyon CE, Kirkpatrick BD, Cohen M, Levine MM, Gurwith M, Leung DT, Azman AS, Harris JB, Qadri F, Ryan ET (2019). Immune responses to O-specific polysaccharide (OSP) in North American adults infected with Vibrio cholerae O1 Inaba. PLoS Negl Trop Dis, 13(11), e0007874.
  19. Langelier C, Graves M, Kalantar K, Caldera S, Durrant R, Fisher M, Backman R, Tanner W, DeRisi JL, Leung DT (2019). Microbiome and Antimicrobial Resistance Gene Dynamics in International Travelers. Emerging Infectious Diseases, 25(7), 1380-1383.
  20. Gautret P, Angelo KM, Asgeirsson H, Lalloo DG, Shaw M, Schwartz E, Libman M, Kain KC, Piyaphanee W, Murphy H, Leder K, Vincelette J, Jensenius M, Waggoner J, Leung D, Borwein S, Blumberg L, Schlagenhauf P, Barnett ED, Hamer DH, GeoSentinel Global Surveillance Network (2018). Rabies post-exposure prophylaxis started during or after travel: A GeoSentinel analysis. PLoS Negl Trop Dis, 12(11), e0006951.
  21. Bliss J, Bouhenia M, Hale P, Couturier BA, Iyer AS, Rumunu J, Martin S, Wamala JF, Abubakar A, Sack DA, Luquero FJ, Couturier MR, Azman AS, Leung DT (2017). High Prevalence of Shigella or Enteroinvasive Escherichia coli Carriage among Residents of an Internally Displaced Persons Camp in South Sudan. Am J Trop Med Hyg, 98(2), 595-597.
  22. Iyer AS, Azman AS, Bouhenia M, Deng LO, Anderson CP, Graves M, Kov P, Xu P, Ryan ET, Harris JB, Sack DA, Luquero FJ, Leung DT (2018). Dried Blood Spots for Measuring Vibrio cholerae-specific Immune Responses. PLoS Negl Trop Dis, 12(1), e0006196.
  23. Leung DT, LaRocque RC, Ryan ET (2018). Travel Medicine. Ann Intern Med, 168(1), ITC1-ITC16.
  24. Chen LH, Leder K, Barbre KA, Schlagenhauf P, Libman M, Keystone J, Mendelson M, Gautret P, Schwartz E, Shaw M, MacDonald S, McCarthy A, Connor BA, Esposito DH, Hamer D, Wilson ME, GeoSentinel Surveillance Network (2017). Business travel-associated illness: a GeoSentinel analysis. J Travel Med, 25(1).
  25. Bennett MS, Trivedi S, Iyer AS, Hale JS, Leung DT (2017). Human mucosal-associated invariant T (MAIT) cells possess capacity for B cell help. J Leukoc Biol, 102(5), 1261-1269.
  26. Angelo KM, Libman M, Caumes E, Hamer DH, Kain KC, Leder K, Grobusch MP, Hagmann SH, Kozarsky P, Lalloo DG, Lim PL, Patimeteeporn C, Gautret P, Odolini S, Chappuis F, Esposito DH, GeoSentinel Network (2017). Malaria after international travel: a GeoSentinel analysis, 2003-2016. Malaria Journal, 16(1), 293.
  27. Charles RC, Nakajima R, Liang L, Jasinskas A, Berger A, Leung DT, Kelly M, Xu P, Kovc P, Giffen SR, Harbison JD, Chowdhury F, Khan AI, Calderwood SB, Bhuiyan TR, Harris JB, Felgner PL, Qadri F, Ryan ET (2017). Plasma and Mucosal Immunoglobulin M, Immunoglobulin A, and Immunoglobulin G Responses to the Vibrio cholerae O1 Protein Immunome in Adults With Cholera in Bangladesh. J Infect Dis, 216(1), 125-134.
  28. Azman AS, Bouhenia M, Iyer AS, Rumunu J, Laku RL, Wamala JF, Rodriguez-Barraquer I, Lessler J, Gignoux E, Luquero FJ, Leung DT, Gurley ES, Ciglenecki I (2017). High Hepatitis E Seroprevalence Among Displaced Persons in South Sudan. Am J Trop Med Hyg, 96(6), 1296-1301.
  29. Michal Stevens A, Esposito DH, Stoney RJ, Hamer DH, Flores-Figueroa J, Bottieau E, Connor BA, Gkrania-Klotsas E, Goorhuis A, Hynes NA, Libman M, Lopez-Velez R, McCarthy AE, von Sonnenburg F, Schwartz E, van Genderen PJ, Scott Benson L, Leung DT, GeoSentinel Surveillance Network (2017). Clostridium difficile infection in returning travellers. J Travel Med, 24(3).
  30. Andrews JR, Leung DT, Ahmed S, Malek MA, Ahmed D, Begum YA, Qadri F, Ahmed T, Faruque ASG, Nelson EJ (2017). Determinants of severe dehydration from diarrheal disease at hospital presentation: Evidence from 22 years of admissions in Bangladesh. PLoS Negl Trop Dis, 11(4), e0005512.
  31. Gruninger RJ, Johnson RA, Das SK, Nelson EJ, Spivak ES, Contreras JR, Faruque ASG, Leung DT (2017). Socioeconomic Determinants of Cipro-floxacin-Resistant Shigella Infections in Bangladeshi Children. Pathog Immun, 2(1), 89-101.
  32. Uddin MI, Islam S, Nishat NS, Hossain M, Rafique TA, Rashu R, Hoq MR, Zhang Y, Saha A, Harris JB, Calderwood SB, Bhuiyan TR, Ryan ET, Leung DT, Qadri F (2016). Biomarkers of Environmental Enteropathy are Positively Associated with Immune Responses to an Oral Cholera Vaccine in Bangladeshi Children. PLoS Negl Trop Dis, 10(11), e0005039.
  33. Iyer AS, Bouhenia M, Rumunu J, Abubakar A, Gruninger RJ, Pita J, Lino RL, Deng LL, Wamala JF, Ryan ET, Martin S, Legros D, Lessler J, Sack DA, Luquero FJ, Leung DT, Azman AS (2016). Immune Responses to an Oral Cholera Vaccine in Internally Displaced Persons in South Sudan. Sci Rep, 6, 35742.
  34. Tsuha S, Taniguchi T, Shiiki S, Narita M, Leung DT (2016). Clinical characteristics of laboratory-confirmed leptospirosis in Okinawa, Japan, 1974-2015: high incidence of Jarisch-Herxheimer reaction. Trans R Soc Trop Med Hyg, 110(9), 558-565.
  35. Aktar A, Rahman MA, Afrin S, Faruk MO, Uddin T, Akter A, Sami MIN, Yasmin T, Chowdhury F, Khan AI, Leung DT, LaRocque RC, Charles RC, Bhuiyan TR, Mandlik A, Kelly M, Kov P, Xu P, Calderwood SB, Harris JB, Qadri F, Ryan ET (2016). O-Specific Polysaccharide-Specific Memory B Cell Responses in Young Children, Older Children, and Adults Infected with Vibrio cholerae O1 Ogawa in Bangladesh. Clin Vaccine Immunol, 23(5), 427-435.
  36. Giddings SL, Stevens AM, Leung DT (2016). Traveler's Diarrhea. Med Clin North Am, 100(2), 317-30.
  37. Leung DT, Chisti MJ, Pavia AT (2016). Prevention and Control of Childhood Pneumonia and Diarrhea. Pediatr Clin North Am, 63(1), 67-79.
  38. Urmi AZ, Leung DT, Wilkinson V, Miah MA, Rahman M, Azim T (2015). Profile of an HIV Testing and Counseling Unit in Bangladesh: Majority of New Diagnoses among Returning Migrant Workers and Spouses. PLoS ONE, 10(10), e0141483.
  39. Bennett MS, Round JL, Leung DT (2015). Innate-like lymphocytes in intestinal infections. Curr Opin Infect Dis, 28(5), 457-63.
  40. Leung DT, Das SK, Malek MA, Qadri F, Faruque AS, Chisti MJ, Ryan ET (2015). Concurrent Pneumonia in Children Under 5 Years of Age Presenting to a Diarrheal Hospital in Dhaka, Bangladesh. Am J Trop Med Hyg, 93(4), 831-5.
  41. Khan AI, Chowdhury F, Leung DT, Larocque RC, Harris JB, Ryan ET, Calderwood SB, Qadri F (2015). Cholera in pregnancy: Clinical and immunological aspects. Int J Infect Dis, 39, 20-4.
  42. Shahunja KM, Leung DT, Ahmed T, Bardhan PK, Ahmed D, Qadri F, Ryan ET, Chisti MJ (2015). Factors Associated with Non-typhoidal Salmonella Bacteremia versus Typhoidal Salmonella Bacteremia in Patients Presenting for Care in an Urban Diarrheal Disease Hospital in Bangladesh. PLoS Negl Trop Dis, 9(9), e0004066.
  43. Falkard B, Uddin T, Rahman MA, Franke MF, Aktar A, Uddin MI, Bhuiyan TR, Leung DT, Charles RC, Larocque RC, Harris JB, Calderwood SB, Qadri F, Ryan ET (2015). Plasma Leptin Levels in Children Hospitalized with Cholera in Bangladesh. Am J Trop Med Hyg, 93(2), 244-249.
  44. Sayeed MA, Bufano MK, Xu P, Eckhoff G, Charles RC, Alam MM, Sultana T, Rashu MR, Berger A, Gonzalez-Escobedo G, Mandlik A, Bhuiyan TR, Leung DT, LaRocque RC, Harris JB, Calderwood SB, Qadri F, Vann WF, Kov P, Ryan ET (2015). A Cholera Conjugate Vaccine Containing O-specific Polysaccharide (OSP) of V. cholerae O1 Inaba and Recombinant Fragment of Tetanus Toxin Heavy Chain (OSP:rTTHc) Induces Serum, Memory and Lamina Proprial Responses against OSP and Is Protective in Mice. PLoS Negl Trop Dis, 9(7), e0003881.
  45. Shahrin L, Leung DT, Matin N, Pervez MM, Azim T, Bardhan PK, Heffelfinger JD, Chisti MJ (2014). Characteristics and predictors of death among hospitalized HIV-infected patients in a low HIV prevalence country: Bangladesh. PLoS ONE, 9(12), e113095.
  46. Weil AA, Begum Y, Chowdhury F, Khan AI, Leung DT, LaRocque RC, Charles RC, Ryan ET, Calderwood SB, Qadri F, Harris JB (2014). Bacterial shedding in household contacts of cholera patients in Dhaka, Bangladesh. Am J Trop Med Hyg, 91(4), 738-42.
  47. Leung DT, Bhuiyan TR, Nishat NS, Hoq MR, Aktar A, Rahman MA, Uddin T, Khan AI, Chowdhury F, Charles RC, Harris JB, Calderwood SB, Qadri F, Ryan ET (2014). Circulating mucosal associated invariant T cells are activated in Vibrio cholerae O1 infection and associated with lipopolysaccharide antibody responses. PLoS Negl Trop Dis, 8(8), e3076.
  48. Bhuiyan S, Sayeed A, Khanam F, Leung DT, Rahman Bhuiyan T, Sheikh A, Salma U, LaRocque RC, Harris JB, Pacek M, Calderwood SB, LaBaer J, Ryan ET, Qadri F, Charles RC (2014). Cellular and cytokine responses to Salmonella enterica serotype Typhi proteins in patients with typhoid fever in Bangladesh. Am J Trop Med Hyg, 90(6), 1024-1030.
  49. Shahrin L, Leung DT, Matin N, Kawser CA, Pervez MM, Chisti MJ (2014). Clinical profile of hospitalized HIV-infected children in Bangladesh, a low-HIV-prevalence country. Paediatr Int Child Health, 34(2), 133-7.
  50. Uddin T, Aktar A, Xu P, Johnson RA, Rahman MA, Leung DT, Afrin S, Akter A, Alam MM, Rahman A, Chowdhury F, Khan AI, Bhuiyan TR, Bufano MK, Rashu R, Yu Y, Wu-Freeman Y, Harris JB, LaRocque RC, Charles RC, Kov P, Calderwood SB, Ryan ET, Qadri F (2014). Immune responses to O-specific polysaccharide and lipopolysaccharide of Vibrio cholerae O1 Ogawa in adult Bangladeshi recipients of an oral killed cholera vaccine and comparison to responses in patients with cholera. Am J Trop Med Hyg, 90(5), 873-81.
  51. Charles RC, Liang L, Khanam F, Sayeed MA, Hung C, Leung DT, Baker S, Ludwig A, Harris JB, Larocque RC, Calderwood SB, Qadri F, Felgner PL, Ryan ET (2014). Immunoproteomic analysis of antibody in lymphocyte supernatant in patients with typhoid fever in Bangladesh. Clin Vaccine Immunol, 21(3), 280-5.
  52. Alam MM, Bufano MK, Xu P, Kalsy A, Yu Y, Freeman YW, Sultana T, Rashu MR, Desai I, Eckhoff G, Leung DT, Charles RC, LaRocque RC, Harris JB, Clements JD, Calderwood SB, Qadri F, Vann WF, Kov P, Ryan ET (2014). Evaluation in mice of a conjugate vaccine for cholera made from Vibrio cholerae O1 (Ogawa) O-specific polysaccharide. PLoS Negl Trop Dis, 8(2), e2683.
  53. Leung DT, Das SK, Malek MA, Qadri F, Faruque AS, Ryan ET (2014). Impact of Ramadan on clinical and microbiologic parameters of patients seen at a diarrheal hospital in urban Dhaka, Bangladesh, 1996-2012. Am J Trop Med Hyg, 90(2), 294-8.
  54. Alam MM, Leung DT, Akhtar M, Nazim M, Akter S, Uddin T, Khanam F, Mahbuba DA, Ahmad SM, Bhuiyan TR, Calderwood SB, Ryan ET, Qadri F (2013). Antibody avidity in humoral immune responses in Bangladeshi children and adults following administration of an oral killed cholera vaccine. Clin Vaccine Immunol, 20(10), 1541-8.
  55. Charles RC, Sultana T, Alam MM, Yu Y, Wu-Freeman Y, Bufano MK, Rollins SM, Tsai L, Harris JB, LaRocque RC, Leung DT, Brooks WA, Nga TV, Dongol S, Basnyat B, Calderwood SB, Farrar J, Khanam F, Gunn JS, Qadri F, Baker S, Ryan ET (2013). Identification of immunogenic Salmonella enterica serotype Typhi antigens expressed in chronic biliary carriers of S. Typhi in Kathmandu, Nepal. PLoS Negl Trop Dis, 7(8), e2335.
  56. Leung DT, Uddin T, Xu P, Aktar A, Johnson RA, Rahman MA, Alam MM, Bufano MK, Eckhoff G, Wu-Freeman Y, Yu Y, Sultana T, Khanam F, Saha A, Chowdhury F, Khan AI, Charles RC, Larocque RC, Harris JB, Calderwood SB, Kovc P, Qadri F, Ryan ET (2013). Immune responses to the O-specific polysaccharide antigen in children who received a killed oral cholera vaccine compared to responses following natural cholera infection in Bangladesh. Clin Vaccine Immunol, 20(6), 780-8.
  57. Alam MM, Tsai LL, Rollins SM, Sheikh A, Khanam F, Bufano MK, Yu Y, Wu-Freeman Y, Kalsy A, Sultana T, Sayeed MA, Jahan N, LaRocque RC, Harris JB, Leung DT, Brooks WA, Calderwood SB, Charles RC, Qadri F, Ryan ET (2013). Identification of in vivo-induced bacterial proteins during human infection with Salmonella enterica serotype Paratyphi A. Clin Vaccine Immunol, 20(5), 712-9.
  58. Das SK, Ahmed S, Ferdous F, Farzana FD, Chisti MJ, Leung DT, Malek MA, Talukder KA, Bardhan PK, Salam MA, Faruque AS, Raqib R (2013). Changing emergence of Shigella sero-groups in Bangladesh: observation from four different diarrheal disease hospitals. PLoS ONE, 8(4), e62029.
  59. Leung DT, Das SK, Malek MA, Ahmed D, Khanam F, Qadri F, Faruque AS, Ryan ET (2013). Non-typhoidal Salmonella gastroenteritis at a diarrheal hospital in Dhaka, Bangladesh, 1996-2011. Am J Trop Med Hyg, 88(4), 661-9.
  60. Johnson RA, Uddin T, Aktar A, Mohasin M, Alam MM, Chowdhury F, Harris JB, LaRocque RC, Bufano MK, Yu Y, Wu-Freeman Y, Leung DT, Sarracino D, Krastins B, Charles RC, Xu P, Kovc P, Calderwood SB, Qadri F, Ryan ET (2012). Comparison of immune responses to the O-specific polysaccharide and lipopolysaccharide of Vibrio cholerae O1 in Bangladeshi adult patients with cholera. Clin Vaccine Immunol, 19(11), 1712-21.
  61. Weil AA, Chowdhury F, Khan AI, Leung DT, Uddin T, Begum YA, Saha NC, Charles RC, Larocque RC, Harris JB, Ryan ET, Qadri F, Calderwood SB (2012). Frequency of reexposure to Vibrio cholerae O1 evaluated by subsequent vibriocidal titer rise after an episode of severe cholera in a highly endemic area in Bangladesh. Am J Trop Med Hyg, 87(5), 921-6.
  62. Arifuzzaman M, Rashu R, Leung DT, Hosen MI, Bhuiyan TR, Bhuiyan MS, Rahman MA, Khanam F, Saha A, Charles RC, LaRocque RC, Weil AA, Clements JD, Holmes RK, Calderwood SB, Harris JB, Ryan ET, Qadri F (2012). Antigen-specific memory T cell responses after vaccination with an oral killed cholera vaccine in Bangladeshi children and comparison to responses in patients with naturally acquired cholera. Clin Vaccine Immunol, 19(8), 1304-11.
  63. Patel SM, Rahman MA, Mohasin M, Riyadh MA, Leung DT, Alam MM, Chowdhury F, Khan AI, Weil AA, Aktar A, Nazim M, LaRocque RC, Ryan ET, Calderwood SB, Qadri F, Harris JB (2012). Memory B cell responses to Vibrio cholerae O1 lipopolysaccharide are associated with protection against infection from household contacts of patients with cholera in Bangladesh. Clin Vaccine Immunol, 19(6), 842-8.
  64. Leung DT, Rahman MA, Mohasin M, Patel SM, Aktar A, Khanam F, Uddin T, Riyadh MA, Saha A, Alam MM, Chowdhury F, Khan AI, Charles R, LaRocque R, Harris JB, Calderwood SB, Qadri F, Ryan ET (2012). Memory B cell and other immune responses in children receiving two doses of an oral killed cholera vaccine compared to responses following natural cholera infection in Bangladesh. Clin Vaccine Immunol, 19(5), 690-8.
  65. Leung DT, Chowdhury F, Calderwood SB, Qadri F, Ryan ET (2012). Immune responses to cholera in children. Expert Rev Anti Infect Ther, 10(4), 435-44.
  66. Leung DT, Bogetz J, Itoh M, Ganapathi L, Pietroni MA, Ryan ET, Chisti MJ (2012). Factors associated with encephalopathy in patients with Salmonella enterica serotype Typhi bacteremia presenting to a diarrheal hospital in Dhaka, Bangladesh. Am J Trop Med Hyg, 86(4), 698-702.
  67. Tarique AA, Kalsy A, Arifuzzaman M, Rollins SM, Charles RC, Leung DT, Harris JB, Larocque RC, Sheikh A, Bhuiyan MS, Saksena R, Clements JD, Calderwood SB, Qadri F, Kovc P, Ryan ET (2012). Transcutaneous immunization with a Vibrio cholerae O1 Ogawa synthetic hexasaccharide conjugate following oral whole-cell cholera vaccination boosts vibriocidal responses and induces protective immunity in mice. Clin Vaccine Immunol, 19(4), 594-602.
  68. Sheikh A, Charles RC, Sharmeen N, Rollins SM, Harris JB, Bhuiyan MS, Arifuzzaman M, Khanam F, Bukka A, Kalsy A, Porwollik S, Leung DT, Brooks WA, LaRocque RC, Hohmann EL, Cravioto A, Logvinenko T, Calderwood SB, McClelland M, Graham JE, Qadri F, Ryan ET (2011). In vivo expression of Salmonella enterica serotype Typhi genes in the blood of patients with typhoid fever in Bangladesh. PLoS Negl Trop Dis, 5(12), e1419.
  69. Leung DT, Davis EM, Qian Q, Gold HS (2011). First report of prosthetic joint infection by Gemella sanguinis and associated "pseudosatelliting" phenomenon on culture. J Clin Microbiol, 49(9), 3395-7.
  70. Leung DT, Rahman MA, Mohasin M, Riyadh MA, Patel SM, Alam MM, Chowdhury F, Khan AI, Kalivoda EJ, Aktar A, Bhuiyan MS, LaRocque RC, Harris JB, Calderwood SB, Qadri F, Ryan ET (2011). Comparison of memory B cell, antibody-secreting cell, and plasma antibody responses in young children, older children, and adults with infection caused by Vibrio cholerae O1 El Tor Ogawa in Bangladesh. Clin Vaccine Immunol, 18(8), 1317-25.
  71. Sheikh A, Khanam F, Sayeed MA, Rahman T, Pacek M, Hu Y, Rollins A, Bhuiyan MS, Rollins S, Kalsy A, Arifuzzaman M, Leung DT, Sarracino DA, Krastins B, Charles RC, Larocque RC, Cravioto A, Calderwood SB, Brooks WA, Harris JB, Labaer J, Qadri F, Ryan ET (2011). Interferon-γ and proliferation responses to Salmonella enterica Serotype Typhi proteins in patients with S. Typhi Bacteremia in Dhaka, Bangladesh. PLoS Negl Trop Dis, 5(6), e1193.
  72. Leung DT, Henning PA, Wagner EC, Blasig A, Wald A, Sacks SL, Corey L, Money DM (2009). Inadequacy of plasma acyclovir levels at delivery in patients with genital herpes receiving oral acyclovir suppressive therapy in late pregnancy. J Obstet Gynaecol Can, 31(12), 1137-43.
  73. Leung DT, Sacks SL (2004). Docosanol: a topical antiviral for herpes labialis. Expert Opin Pharmacother, 5(12), 2567-71.
  74. Leung DT, Sacks SL (2003). Current treatment options to prevent perinatal transmission of herpes simplex virus. Expert Opin Pharmacother, 4(10), 1809-19.
  75. Vo HC, Henning PA, Leung DT, Sacks SL (2002). Development and validation of a plasma assay for acyclovir using high-performance capillary electrophoresis with sample stacking. J Chromatogr B Analyt Technol Biomed Life Sci, 772(2), 291-7.
  76. Gong Y, Matthews B, Cheung D, Tam T, Gadawski I, Leung D, Holan G, Raff J, Sacks S (2002). Evidence of dual sites of action of dendrimers: SPL-2999 inhibits both virus entry and late stages of herpes simplex virus replication. Antiviral Res, 55, 319-29.
  77. Leung DT, Sacks SL (2000). Current recommendations for the treatment of genital herpes. Drugs, 60(6), 1329-52.

Book Chapter

  1. Leung DT, Pavia, AT (2018). Chapter 312: Salmonella, Shigella, and Escherichia coli. In Rudolph’s Pediatrics (23rd). McGraw-Hill.
  2. Leung DT (01/09/2018). Approach to illness associated with travel to Latin America and the Caribbean. In Post TW (Ed.), www.UpToDate.com. Waltham, MA: UpToDate Inc.
  3. Leung DT (2017). Coronaviruses (including SARS). In Decision Support in Medicine (Infectious Diseases - 2nd ed.).
  4. Leung DT (2017). Trypanosoma African. In Decision Support in Medicine (Infectious Diseases - 2nd ed.).
  5. Leung DT (2017). Trypanosoma American. In Decision Support in Medicine (Infectious Diseases - 2nd ed.).
  6. Leung DT (2017). Tissue Nematodes, Trichinella, Dracuncula, Filaria. In Decision Support in Medicine (Infectious Diseases - 2nd ed.).
  7. Leung DT (2017). Unusual helminth infections (Visceral/cutaneous Larva Migrans). In Decision Support in Medicine (Infectious Diseases - 2nd ed.).

Letter

  1. Mellon G, Turbett SE, Worby C, Oliver E, Walker AT, Walters M, Kelly P, Leung DT, Knouse M, Hagmann S, Earl A, Ryan ET, LaRocque RC (2020). Acquisition of Antibiotic-Resistant Bacteria by U.S. International Travelers. [Letter to the editor]. N Engl J Med, 382(14), 1372-1374.
  2. Leung DT, Ernest JM (2007). Pre-conceptional folic acid supplementation in uninsured pregnant Hispanic women. [Letter to the editor]. South Med J, 100(1), 85-6.

Abstract

  1. Leung DT (2007). GBV-C viremia influence DTH response to Leishmania [Abstract]. ASTMH Annual Meeting.

Other

  1. Liou TG, Adler FR, Cahill BC, Cox DR, Cox JE, Grant GJ, Hanson KE, Hartsell SC, Hatton ND, Helms MN, Jensen JL, Kartsonaki C, Li Y, Leung DT, Marvin JE, Middleton EA, Osburn-Staker SM, Packer KA, Shakir SM, Sturrock AB, Tardif KD, Warren KJ, Waddoups LJ, Weaver LJ, Zimmerman E, Paine R (2020). SARS-CoV-2 Innate Effector Associations and Viral Load in Early Nasopharyngeal Infection. United States.
  2. Chen X, Chen Z, Azman AS, Deng X, Chen X, Lu W, Zhao Z, Yang J, Viboud C, Ajelli M, Leung DT, Yu H (2020). Serological evidence of human infection with SARS-CoV-2: a systematic review and meta-analysis. United States.
  3. Reimer JR, Ahmed SM, Brintz B, Shah RU, Keegan LT, Ferrari MJ, Leung DT (2020). Modeling reductions in SARS-CoV-2 transmission and hospital burden achieved by prioritizing testing using a clinical prediction rule. United States.

Global Impact

Education History

Research Fellow International Centre for Diarrhoeal Disease Research
Immunology
Research Fellow
Graduate Training University of British Columbia
Pharmacology & Therapeutics
M.Sc.
Undergraduate University of British Columbia
Pharmacology & Therapeutics
B.Sc.

Selected Provider Publications

Journal Article

  1. Gruninger RJ, Johnson RA, Das SK, Nelson EJ, Spivak ES, Contreras JR, Faruque ASG, Leung DT (2017). Socioeconomic Determinants of Cipro-floxacin-Resistant Shigella Infections in Bangladeshi Children. Pathog Immun, 2(1), 89-101.
    Global Impact: Bangladesh.

  2. Uddin MI, Islam S, Nishat NS, Hossain M, Rafique TA, Rashu R, Hoq MR, Zhang Y, Saha A, Harris JB, Calderwood SB, Bhuiyan TR, Ryan ET, Leung DT, Qadri F (2016). Biomarkers of Environmental Enteropathy are Positively Associated with Immune Responses to an Oral Cholera Vaccine in Bangladeshi Children. PLoS Negl Trop Dis, 10(11), e0005039.
    Global Impact: Bangladesh.

  3. Iyer AS, Bouhenia M, Rumunu J, Abubakar A, Gruninger RJ, Pita J, Lino RL, Deng LL, Wamala JF, Ryan ET, Martin S, Legros D, Lessler J, Sack DA, Luquero FJ, Leung DT, Azman AS (2016). Immune Responses to an Oral Cholera Vaccine in Internally Displaced Persons in South Sudan. Sci Rep, 6, 35742.
    Global Impact: South Sudan.

  4. Tsuha S, Taniguchi T, Shiiki S, Narita M, Leung DT (2016). Clinical characteristics of laboratory-confirmed leptospirosis in Okinawa, Japan, 1974-2015: high incidence of Jarisch-Herxheimer reaction. Trans R Soc Trop Med Hyg, 110(9), 558-565.
    Global Impact: Japan.

  5. Aktar A, Rahman MA, Afrin S, Faruk MO, Uddin T, Akter A, Sami MIN, Yasmin T, Chowdhury F, Khan AI, Leung DT, LaRocque RC, Charles RC, Bhuiyan TR, Mandlik A, Kelly M, Kov P, Xu P, Calderwood SB, Harris JB, Qadri F, Ryan ET (2016). O-Specific Polysaccharide-Specific Memory B Cell Responses in Young Children, Older Children, and Adults Infected with Vibrio cholerae O1 Ogawa in Bangladesh. Clin Vaccine Immunol, 23(5), 427-435.
    Global Impact: Bangladesh.

  6. Urmi AZ, Leung DT, Wilkinson V, Miah MA, Rahman M, Azim T (2015). Profile of an HIV Testing and Counseling Unit in Bangladesh: Majority of New Diagnoses among Returning Migrant Workers and Spouses. PLoS ONE, 10(10), e0141483.
    Global Impact: Bangladesh.

  7. Leung DT, Das SK, Malek MA, Qadri F, Faruque AS, Chisti MJ, Ryan ET (2015). Concurrent Pneumonia in Children Under 5 Years of Age Presenting to a Diarrheal Hospital in Dhaka, Bangladesh. Am J Trop Med Hyg, 93(4), 831-5.
    Global Impact: Bangladesh.

  8. Khan AI, Chowdhury F, Leung DT, Larocque RC, Harris JB, Ryan ET, Calderwood SB, Qadri F (2015). Cholera in pregnancy: Clinical and immunological aspects. Int J Infect Dis, 39, 20-4.
    Global Impact: Bangladesh.

  9. Shahunja KM, Leung DT, Ahmed T, Bardhan PK, Ahmed D, Qadri F, Ryan ET, Chisti MJ (2015). Factors Associated with Non-typhoidal Salmonella Bacteremia versus Typhoidal Salmonella Bacteremia in Patients Presenting for Care in an Urban Diarrheal Disease Hospital in Bangladesh. PLoS Negl Trop Dis, 9(9), e0004066.
    Global Impact: Bangladesh.

  10. Falkard B, Uddin T, Rahman MA, Franke MF, Aktar A, Uddin MI, Bhuiyan TR, Leung DT, Charles RC, Larocque RC, Harris JB, Calderwood SB, Qadri F, Ryan ET (2015). Plasma Leptin Levels in Children Hospitalized with Cholera in Bangladesh. Am J Trop Med Hyg, 93(2), 244-249.
    Global Impact: Bangladesh.

  11. Shahrin L, Leung DT, Matin N, Pervez MM, Azim T, Bardhan PK, Heffelfinger JD, Chisti MJ (2014). Characteristics and predictors of death among hospitalized HIV-infected patients in a low HIV prevalence country: Bangladesh. PLoS ONE, 9(12), e113095.
    Global Impact: Bangladesh.

  12. Leung DT, Bhuiyan TR, Nishat NS, Hoq MR, Aktar A, Rahman MA, Uddin T, Khan AI, Chowdhury F, Charles RC, Harris JB, Calderwood SB, Qadri F, Ryan ET (2014). Circulating mucosal associated invariant T cells are activated in Vibrio cholerae O1 infection and associated with lipopolysaccharide antibody responses. PLoS Negl Trop Dis, 8(8), e3076.
    Global Impact: Bangladesh.

  13. Leung DT, Das SK, Malek MA, Qadri F, Faruque AS, Ryan ET (2014). Impact of Ramadan on clinical and microbiologic parameters of patients seen at a diarrheal hospital in urban Dhaka, Bangladesh, 1996-2012. Am J Trop Med Hyg, 90(2), 294-8.
    Global Impact: Bangladesh.

  14. Leung DT, Uddin T, Xu P, Aktar A, Johnson RA, Rahman MA, Alam MM, Bufano MK, Eckhoff G, Wu-Freeman Y, Yu Y, Sultana T, Khanam F, Saha A, Chowdhury F, Khan AI, Charles RC, Larocque RC, Harris JB, Calderwood SB, Kovc P, Qadri F, Ryan ET (2013). Immune responses to the O-specific polysaccharide antigen in children who received a killed oral cholera vaccine compared to responses following natural cholera infection in Bangladesh. Clin Vaccine Immunol, 20(6), 780-8.
    Global Impact: Bangladesh.

  15. Das SK, Ahmed S, Ferdous F, Farzana FD, Chisti MJ, Leung DT, Malek MA, Talukder KA, Bardhan PK, Salam MA, Faruque AS, Raqib R (2013). Changing emergence of Shigella sero-groups in Bangladesh: observation from four different diarrheal disease hospitals. PLoS ONE, 8(4), e62029.
    Global Impact: Bangladesh.

  16. Leung DT, Das SK, Malek MA, Ahmed D, Khanam F, Qadri F, Faruque AS, Ryan ET (2013). Non-typhoidal Salmonella gastroenteritis at a diarrheal hospital in Dhaka, Bangladesh, 1996-2011. Am J Trop Med Hyg, 88(4), 661-9.
    Global Impact: Bangladesh.

  17. Leung DT, Bogetz J, Itoh M, Ganapathi L, Pietroni MA, Ryan ET, Chisti MJ (2012). Factors associated with encephalopathy in patients with Salmonella enterica serotype Typhi bacteremia presenting to a diarrheal hospital in Dhaka, Bangladesh. Am J Trop Med Hyg, 86(4), 698-702.
    Global Impact: Bangladesh.

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