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Báo cáo y học: "Enhanced surveillance for childhood hepatitis B virus infection in Canada, 1999-2003"

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Tuyển tập các báo cáo nghiên cứu khoa học ngành y học tạp chí Medical Sciences dành cho các bạn sinh viên ngành y tham khảo đề tài: Enhanced surveillance for childhood hepatitis B virus infection in Canada, 1999-2003. | Int. J. Med. Sci. 2005 2 143 Research paper International Journal of Medical Sciences ISSN 1449-1907 www.medsci.org 2005 2 4 143-146 2005 Ivyspring International Publisher. All rights reserved Enhanced surveillance for childhood hepatitis B virus infection in Canada 1999-2003 H. X. Wu1 A. Andonov2 A. Giulivi1 N. J. Goedhuis1 B. Baptiste3 J. Furseth4 D. Poliquin5 J. IP Chan6 G. Bolesnikov7 B. Moffat8 S. Paton1 and J. Wu1 1 Blood borne Pathogens Section Blood Safety Surveillance and Health Care Acquired Infection Division Centre for Infectious Disease Prevention and Control Public Health Agency of Canada Ottawa ON Canada 2 National Microbiology Laboratory Canadian Science Centre for Human and Animal Health Public Health Agency of Canada Winnipeg MB Canada 3 Capital Health Edmonton AB Canada 4 Calgary Health Region Calgary AB Canada 5 City of Ottawa Public Health and Long Term Care Branch Ottawa ON Canada 6 Vancouver Coastal Health VancouverfBC Canada 7 Department of Health and Wellness NB Canada 8 British Columbia Centre for Disease Control BCCDC BC Canada Corresponding address Hong-Xing Wu MD PhD 0601E2 Health Canada Buildings No. 6 Tunney s Pasture Ottawa Ontario Canada K1A 0L2. Tel 1 613 957-3047 Fax 1 613 952-6668 e-mail hong-xing_wu@hc-sc.gc.ca Received 2005.08.19 Accepted 2005.09.06 Published 2005.10.01 Since hepatitis B virus HBV infection can have serious sequelae especially if infection occurs during childhood there is a continuing need to examine its epidemiology so as to inform control measures. We analyzed trends in disease incidence and patterns of hepatitis B virus HBV transmission in both Canadian-born and non-Canadian-born children from 1999 to 2003 through the Enhanced Hepatitis Strain Surveillance System. Amongst Canadian-born children the incidence of newly identified HBV infection per 100 000 declined significantly during the study period from 1.4 in 1999 to 0.5 in 2003 RR 0.75 per year 95 CI 0.60-0.95 . Amongst non-Canadian-born children the .

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