ABSTRACT: The current COVID-19 pandemic has intensified the public’s and medical community’s interest in the discipline of infectious diseases. The evolution of this relatively new subspecialty in BC over the past 40 years is highlighted. Major milestones include the establishment of an infectious diseases clinical pharmacy program, an infectious diseases fellowship program, an inpatient HIV/AIDS unit, a transplant infectious diseases service, a fellowship in reproductive infectious diseases program, and an Immunity and Infection Research Centre, as well as outpatient parenteral antimicrobial therapy and home intravenous antimicrobial treatment programs, outpatient clinics for tropical medicine and travel-acquired diseases, and cross-appointments with the BC Centre for Disease Control.
The evolution of the infectious diseases subspecialty in BC illustrates the dynamic nature of infectious diseases and the challenges and opportunities they present to the discipline.
In 1980, I wrote an editorial for the BC Medical Journal entitled “The subspecialty of infectious disease (ID) and the multifaceted role of the ID physician.”[1] The current theme issue offers a unique opportunity to reflect upon the evolution of the discipline of infectious diseases in our province within the past 40 years and to speculate about its future.
With the eradication of many classic communicable diseases in the 1950s, the clinical discipline of infectious diseases vanished in Canada. Medical microbiologists who replaced general pathologists in directing the clinical microbiology laboratory became the main source of advice to clinicians on antimicrobial therapy and for undergraduate and postgraduate education. However, it became obvious that bedside consultations by specially trained clinicians in the management of complex diseases were needed. In the 1960s, several luminaries who had trained in the United States returned to Canada to assume academic positions within departments of medicine and/or pathology (notably, Drs Allan Ronald at the University of Manitoba, George Goldsand at the University of Alberta, and Hugh Robson at McGill University). The Canadian Infectious Disease Society was established in 1976, and the subspecialty of infectious diseases was formally approved by the Royal College of Physicians and Surgeons of Canada in 1980, with certification in 1983. Thus, a new clinical subspecialty of infectious diseases was born. It should be noted that the development of infectious diseases as a subspecialty of internal medicine or pediatrics in Canada lagged behind the United States by a decade.[2]
In the 1980s, due to health care reform and managed care in the United States, there was some concern about an oversupply of infectious diseases trainees to meet clinical needs. In contrast, the need for infectious diseases expertise in Canada has continued to escalate. Compared with the United States, where one infectious diseases physician served 110 000 people in 1987, Canada delivered only one infectious diseases physician per 220 000.[3] It is clear that not all infections require the services of an infectious diseases specialist. Approximately 80% of infections in the community can be managed adequately by family physicians or general internists and other specialists.[3] However, life-threatening and complicated infections should receive care from physicians with formal infectious diseases training [Table 1 [9]]. Furthermore, there is conclusive evidence that infectious diseases consultations are associated with improved outcome in terms of patient survival, shortened hospitalization, and cost savings.[4,5] The diversity and specialized nature of many infectious diseases have led some infectious diseases trainees to extend their fellowships by 1 to 2 years in order to pursue dual subspecialty certification. Examples include the following:
The University of British Columbia and Vancouver General Hospital (VGH) Division of Infectious Diseases was established in 1979 when I was recruited from the Harbor-UCLA Medical Center to join two outstanding young faculty members: Drs William Bowie and Irving Salit. Since all three of us had a similar training background in the clinician-teacher-investigator mode, our collective goal for the division was to develop a model that integrated excellent patient care with quality teaching and scholarly research. Our priority was to maximize the visibility of the clinical and teaching services through the provision of high-quality consultations that also served as an educational tool in the principles and practice of infectious diseases. High standards were expected from each written consultation note, which not only provided clear management recommendations but also included a discussion of rationale based on available evidence, possible pathogenetic mechanisms, and a brief list of key references. To broaden the scope of exposure, inpatient consultations were provided throughout the hospital rather than on a dedicated hospital ward in isolation. Telephone consultations were accepted from throughout the province. The funding model was another strategic decision point that was well ahead of its time. The division negotiated with the Medical Services Commission to provide inpatient consultations for geographic full-time funding in lieu of fee-for-service billing. This allowed faculty to rotate off busy clinical services in order to attend to research and other academic pursuits.
The subspecialty of infectious diseases in BC underwent substantial growth over the past 40 years, under the successive headships of Drs Anthony W. Chow (1978–1993), Neil E. Reiner (1994–2010), and Peter Phillips (2011–2020). The current UBC head is Dr Theodore Steiner. Division members are distributed within hospitals across all five health regions of the province [Table 2 [10]]. VGH, St. Paul’s Hospital, and Surrey Memorial Hospital are the major tertiary referral centres for the most complicated infectious diseases in the province. All these centres maintain active inpatient consultative services, outpatient clinics for patients with special needs such as tropical or parasitic infections, HIV/AIDS care, hepatitis B and C, chronic recalcitrant infections such as prosthetic infections, and skin and soft tissue infections, as well as outpatient parenteral antimicrobial therapy. The BC Infectious Diseases Society within the BC Medical Association (now Doctors of BC) was established in 2006 and currently has a membership of 79 practising infectious diseases physicians in the province. A full listing of the UBC-affiliated infectious diseases faculty and associate members is provided on the division’s website (https://id.med.ubc.ca/faculty-members [11]). The following summarizes the major milestones of the division over the past 40 years.
Critical liaisons were created with both the Division of Medical Microbiology within the Department of Pathology and Laboratory Medicine and the Division of Clinical Pharmacy within the Faculty of Pharmaceutical Sciences, both at VGH and UBC Hospital. These productive collaborations were pivotal for allowing the Division of Infectious Diseases to gain influence in the provision of key laboratory services for the management of difficult infectious diseases, and to share leadership in hospital infection control and antimicrobial stewardship. Together with the Division of Clinical Pharmacy, the Division of Infectious Diseases also pioneered the establishment of an infectious diseases clinical pharmacy program at VGH in which clinical pharmacy residents joined the infectious diseases faculty on daily consultation rounds and assisted in antimicrobial stewardship, drug–drug interactions, pharmacokinetic monitoring, and quality assurance activities.
These cross-appointments greatly strengthened training and research opportunities in public health epidemiology, outbreak investigation, antimicrobial resistance, sexually transmitted infection control, and multidrug-resistant tuberculosis. Members at the BCCDC who had infectious diseases training were extraordinarily successful in the provincial response to the SARS-CoV-1 outbreak; the SARS-CoV-1 accelerated vaccine initiative; the H1N1 pandemic; the expansion of immunization programming and drug addiction, overdose, and harm reduction programs; sexually transmitted infection and TB control; surveillance of antimicrobial resistance within BC; and most recently, surveillance and testing for SARS-CoV-2 infection.
The UBC infectious diseases fellowship program, first established in 1982 as one of three programs in the country that was fully accredited by the Royal College of Physicians and Surgeons of Canada, is designed to attract candidates who have completed internal medicine training and are motivated toward a career as clinician-scientists, clinician-educators, or consultant specialists in the community. The program provides integrated inpatient and outpatient rotations within various affiliated institutions, as well as training in epidemiological and microbiological research. The program also provides clinical rotations for residents from disciplines other than internal medicine, such as obstetrics and gynecology, general surgery, neurosurgery, and dermatology. It has become the premier training program in the country. An unexpected benefit of the current COVID-19 pandemic is the creation of a phenomenally successful and well-attended weekly infectious diseases conference that is accessible by Zoom to all infectious diseases physicians throughout the province.
One of the earliest outpatient parenteral antimicrobial therapy clinics in the country was started at VGH in 1982 by Dr H. Grant Stiver, who demonstrated that this mode of antimicrobial delivery was both safe and cost-effective.[7] Candidates include patients with bone and joint infections; selective cases of infective endocarditis; some acute infections such as skin and soft tissue infections; and urinary, respiratory, and gastrointestinal infections without prior hospitalization. With few exceptions, outpatient parenteral antimicrobial therapy clinics are available at all UBC-affiliated teaching hospitals and are supervised by infectious diseases specialists.
In 1992, at the height of the HIV/AIDS epidemic, Drs Michael O’Shaughnessy, Martin Schechter, and Julio Montaner established the BC Centre for Excellence in HIV/AIDS at St. Paul’s Hospital and led an interdisciplinary team that targeted the treatment and prevention of HIV/AIDS and opportunistic infections. Dr Montaner and his group were lead researchers on the highly active antiretroviral treatment and “treatment as prevention” strategies that have since been adopted worldwide. The inpatient HIV/AIDS unit at St. Paul’s Hospital was established in 1997. It was unique in Canada and attracted undergraduate and postgraduate trainees from across the country for preceptorships in epidemiological investigations and care of marginalized populations. The success of highly active antiretroviral treatment and treatment as prevention strategies transformed the rapidly fatal condition of HIV/AIDS into a manageable chronic disease. However, the number of patients with complications from infections due to injection drug use that require hospitalization and other marginalized patient populations have continued to escalate. The Urban Health Acute Care Unit was established at St. Paul’s Hospital in 2014 to meet these needs; it supersedes the former HIV/AIDS unit. The facility provides inpatient care for all patients, both HIV-positive and negative, with complex infections and serves as a provincial tertiary care resource for addiction medicine and other acute and chronic conditions in marginalized populations. In addition, the Hope to Health Research & Innovation Centre was established in 2019 to provide integrated and accessible ambulatory health care to clients in the Vancouver Eastside inner city who have complex needs.
The transplant infectious diseases service at VGH was established in 2016 and provides both inpatient and outpatient consults for solid organ transplant and leukemia, and for bone marrow transplant recipients. The service also attends to outpatient consults for solid organ recipients from St. Paul’s Hospital. Currently, approximately 500 solid organ transplants, including heart, lung, kidney, liver, and pancreas, are performed annually. The service is also linked administratively with BC Transplant for clinical trials and quality improvement projects.
In partnership with the UBC Division of Infectious Diseases, Dr Deborah Money established the first fellowship in reproductive infectious diseases program in Canada within BC Women’s Hospital and Health Centre, with a focus on subspecialty training for obstetricians and gynecologists. She also established the Infectious Diseases Clinic within BC Women’s to provide unique expertise in the management of women with HIV/AIDS, hepatitis B or C, human papillomaviruses, infections during pregnancy, and other complex gynecologic infections. The Oak Tree Clinic, also housed within BC Women’s, is a multidisciplinary facility that provides specialized care to women, children, and their families who are living with HIV/AIDS. It is a provincial resource and provides educational support for health care workers, organizations, institutions, and the public. There is a strong research program focused on clinical trials in HIV/hepatitis co-infections, human papillomaviruses, and reproductive, endocrine, and metabolic health of women with HIV/AIDS.
The Division of Infectious Diseases conducts weekly outpatient clinics at VGH and Surrey Memorial Hospital for tropical medicine and travel-acquired diseases. These clinics are supported by the BC Centre for Disease Control’s parasitology laboratory and zoonotic and emerging pathogens program. The division also offers an annual tropical and geographic medicine course at UBC, the first of its kind in Western Canada. The UBC Division of Infectious Diseases has had a strong international presence, including a Canadian International Development Agency (CIDA)–funded training and treatment program for chronic hepatitis B in mainland China (1988–1992), a CIDA-Peru-Canada biomedical training program in Lima, Peru (1989–1994), and multiple CIDA-sponsored projects to establish a network of sexually transmitted infection clinics for low-income sex trade workers in southern Vietnam (1998–2010). More recent international connections include investigations into the use of cell phones and text messaging to improve antiretroviral therapy in Nairobi, Kenya,[8] malaria research in Bangladesh,[9] and training and research on tropical diseases in Gulu, northern Uganda. Division members also co-direct the UBC Neglected Global Diseases Initiative (http://ngdi.ubc.ca [12]), which addresses 18 neglected tropical diseases designated by the World Health Organization, including HIV/AIDS, tuberculosis, and malaria, and the GeoSentinel surveillance network (www.istm.org/geosentinel [13]), a worldwide communication and surveillance network for tracking geographic and temporal trends in morbidity among travelers, immigrants, and refugees.
Several scientists were recruited to VGH to investigate the pathogenesis and molecular mechanisms in tuberculosis, leishmaniasis, toxoplasmosis, Clostridioides difficile, Staphylococcus spp., Streptococcus spp., Escherichia coli and inflammatory bowel disease, fecal transplantation, and more recently the prevention and treatment of SARS-CoV-2 infections. The success of these research programs culminated in the creation of the Immunity and Infection Research Centre within the Vancouver Coastal Health Research Institute in 2011. This virtual centre brought together approximately 20 principal investigators and 50 to 60 graduate students, postdoctoral fellows, and research associates in a highly productive and collaborative research environment.
Several individuals played key roles in the development of the infectious diseases specialty in British Columbia. Dr Robert M.T. Chan was the first infectious diseases specialist in Vancouver in 1975 and practised at St. Paul’s Hospital until retirement in 2011. He was also among the first in BC to be accredited in infectious diseases by the Royal College of Physicians and Surgeons of Canada. Dr Frank Jagdis was the first and only infectious diseases consultant on Vancouver Island in 1976 when he attended the Royal Jubilee and Victoria General Hospitals in Victoria until retirement in 2010. Although trained as a pediatrician, he treated both adults and children in his practice. Dr Christopher Wong was the first infectious diseases specialist to join Fraser Health in 1977 and practised in Royal Columbian Hospital until retirement in 2016.
It has been most gratifying to see how the subspecialty of infectious diseases has flourished in BC within the past 40 years. It is particularly rewarding to witness how well our trainees have fared and are continuing to contribute to this relatively new but important discipline across our province. In the current COVID-19 pandemic, the subspecialty of infectious diseases is finally getting the attention it is due, both in the public and the health care community. With continued support from the Province and UBC, I have no doubt our subspecialty will continue to mature and provide invaluable service to our patients and community for generations to come.
None declared.
This article has been peer reviewed.
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This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License [14]. |
1. Chow A. The subspecialty of infectious disease (ID) and the multifaceted role of the ID physician. BCMJ 1980;22:125.
2. Kass EH. Infectious diseases as a clinical specialty. Infection 1979;7:264-266.
3. Ronald AR, Nicolle LE, Goldsand G, MacDonald N. Infectious diseases as a Canadian subspecialty, with projections to the year 2000. Rev Infect Dis 1990;12:900-907.
4. Rieg S, Küpper MF. Infectious diseases consultations can make the difference: A brief review and a plea for more infectious diseases specialists in Germany. Infection 2016;44:159-166.
5. Schmitt S, McQuillen DP, Nahass R, et al. Infectious diseases specialty intervention is associated with decreased mortality and lower healthcare costs. Clin Infect Dis 2014;58:22-28.
6. Armstrong WS. Editorial commentary: Infectious diseases/critical care medicine: Time to embrace a new subspecialty of infectious disease. Clin Infect Dis 2016;63:876-877.
7. Stiver HG, Telford GO, Mossey JM, et al. Intravenous antibiotic therapy at home. Ann Intern Med 1978;89:690-693.
8. Lester RT, Ritvo P, Mills EJ, et al. Effects of a mobile phone short message service on antiretroviral treatment adherence in Kenya (WelTel Kenya1): A randomised trial. Lancet 2010;376:1838-1845.
9. Plewes K, Kingston HWF, Ghose A, et al. Acetaminophen as a renoprotective adjunctive treatment in patients with severe and moderately severe falciparum malaria: A randomized, controlled, open-label trial. Clin Infect Dis 2018;67:991-999.
Dr Chow is a professor emeritus in the Division of Infectious Diseases, Department of Medicine, University of British Columbia and Vancouver General Hospital, Vancouver Coastal Health. He is a pioneer of infectious diseases in BC and Western Canada.
Links
[1] https://bcmj.org/node/9088
[2] https://bcmj.org/author/anthony-w-chow-md-facp-frcpc
[3] https://bcmj.org/sites/default/files/BCMJ_Vol64_No4-subspecialty%20of%20adult%20infectious%20diseases.pdf
[4] https://bcmj.org/print/articles/subspecialty-adult-infectious-diseases-british-columbia-personal-perspective
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[11] https://id.med.ubc.ca/faculty-members
[12] http://ngdi.ubc.ca
[13] http://www.istm.org/geosentinel
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