PMID: 29770068Mar 2, 2017Paper

Outbreak of tuberculosis among substance users and homeless people in Greater Montréal, Canada, 2003-2016

Canada Communicable Disease Report = Relevé Des Maladies Transmissibles Au Canada
J AhoM Munoz-Bertrand

Abstract

In Canada, active tuberculosis (TB) is found mainly among migrants from endemic countries and Indigenous populations. However, cases of active tuberculosis in substance users and homeless persons have been reported in Greater Montréal since 2003. To describe the Montréal TB outbreak in terms of the sociodemographic characteristics, risk factors and clinical characteristics of cases, as well as the intensity of public health interventions, the follow-up and identification of locations of potential transmission. All cases of active tuberculosis with the same genotype of interest residing in Quebec and epidemiologically linked cases were included in the analysis. Data were retrospectively extracted from routine public health investigations. Characteristics of cases were summarized using Excel. Spatial analysis of locations frequented during cases' infectiousness periods was performed. Between January 2003 and February 2016 a total of 35 cases were identified. Most (86%) were non-Indigenous people born in Canada. Of these, 28 had several risk factors, including substance use (93%), alcohol abuse (64%), homelessness (46%), comorbidities such as HIV coinfection (36%) and advanced stage of the disease. Seven cases without risk factors...Continue Reading

References

Feb 25, 2011·The New England Journal of Medicine·Jennifer L GardyPatrick Tang
Mar 12, 2011·Emerging Infectious Diseases·Kamran KhanStephen W Hwang
Nov 1, 2011·BMC Public Health·Jason Tan de BibianaKevin Schwartzman
Oct 16, 2013·The International Journal of Tuberculosis and Lung Disease : the Official Journal of the International Union Against Tuberculosis and Lung Disease·S BamrahM B Haddad
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