Chronic Hepatitis B in Canada

Recent developments in the treatment and prevention of hepatitis B virus (HBV) infections warrant revisiting important epidemiological questions, such as how prevalent is chronic HBV infection in Canada, in which Canadian subpopulations are HBV prevalence rates the highest, in what percentage of inf...

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Main Authors: GY Minuk, J Uhanova
Format: Article
Language:English
Published: Wiley 2001-01-01
Series:Canadian Journal of Infectious Diseases
Online Access:http://dx.doi.org/10.1155/2001/650313
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author GY Minuk
J Uhanova
author_facet GY Minuk
J Uhanova
author_sort GY Minuk
collection DOAJ
description Recent developments in the treatment and prevention of hepatitis B virus (HBV) infections warrant revisiting important epidemiological questions, such as how prevalent is chronic HBV infection in Canada, in which Canadian subpopulations are HBV prevalence rates the highest, in what percentage of infected individuals is the virus actively replicating, and how many infected Canadians are candidates for antiviral therapy? Currently available data suggest the overall prevalence of HBV-infected individuals in the general population is approximately 2%, with 5% to 10% having serological evidence of previous HBV infection. In high risk groups, such as street-connected individuals, Aboriginals and immigrants from endemic areas, these rates of viral prevalence and serological evidence of previous HBV infection are approximately two to 10 and five to 10 times higher, respectively, than in the general population. Candidates for antiviral therapy range from less than 1% of infected Aboriginals to 15% to 30% of Asians with chronic HBV. From these data, it is clear that chronic HBV remains an important public health problem in this country. Hence, resources must be identified to enhance Canadians' awareness of HBV infection, maintain, if not expand, efforts to identify and implement safe and effective antiviral therapy for HBV-infected individuals, and continue programs for universal vaccination to prevent new HBV infections.
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spelling doaj-art-a2c0285d0b234eb7a8582ab3f4c08ed22025-08-20T02:20:45ZengWileyCanadian Journal of Infectious Diseases1180-23322001-01-0112635135610.1155/2001/650313Chronic Hepatitis B in CanadaGY MinukJ UhanovaRecent developments in the treatment and prevention of hepatitis B virus (HBV) infections warrant revisiting important epidemiological questions, such as how prevalent is chronic HBV infection in Canada, in which Canadian subpopulations are HBV prevalence rates the highest, in what percentage of infected individuals is the virus actively replicating, and how many infected Canadians are candidates for antiviral therapy? Currently available data suggest the overall prevalence of HBV-infected individuals in the general population is approximately 2%, with 5% to 10% having serological evidence of previous HBV infection. In high risk groups, such as street-connected individuals, Aboriginals and immigrants from endemic areas, these rates of viral prevalence and serological evidence of previous HBV infection are approximately two to 10 and five to 10 times higher, respectively, than in the general population. Candidates for antiviral therapy range from less than 1% of infected Aboriginals to 15% to 30% of Asians with chronic HBV. From these data, it is clear that chronic HBV remains an important public health problem in this country. Hence, resources must be identified to enhance Canadians' awareness of HBV infection, maintain, if not expand, efforts to identify and implement safe and effective antiviral therapy for HBV-infected individuals, and continue programs for universal vaccination to prevent new HBV infections.http://dx.doi.org/10.1155/2001/650313
spellingShingle GY Minuk
J Uhanova
Chronic Hepatitis B in Canada
Canadian Journal of Infectious Diseases
title Chronic Hepatitis B in Canada
title_full Chronic Hepatitis B in Canada
title_fullStr Chronic Hepatitis B in Canada
title_full_unstemmed Chronic Hepatitis B in Canada
title_short Chronic Hepatitis B in Canada
title_sort chronic hepatitis b in canada
url http://dx.doi.org/10.1155/2001/650313
work_keys_str_mv AT gyminuk chronichepatitisbincanada
AT juhanova chronichepatitisbincanada