Enhanced surveillance for childhood hepatitis B virus infection in Canada, 1999-2003

Wu, H. X.; Andonov, A.; Giulivi, A.; Goedhuis, N. J.; Baptiste, B.; Furseth, J.; Poliquin, D.; Chan, J. IP; Bolesnikov, G.; Moffat, B.; Paton, S.; Wu, J.

doi:10.7150/ijms.2.143

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Int J Med Sci 2005; 2(4):143-146. doi:10.7150/ijms.2.143 This issue Cite

Research Paper

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, 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, Vancouver, BC, Canada
7 Department of Health and Wellness, NB, Canada
8 British Columbia Centre for Disease Control (BCCDC), BC, Canada

Citation:

Wu HX, Andonov A, Giulivi A, Goedhuis NJ, Baptiste B, Furseth J, Poliquin D, Chan JIP, Bolesnikov G, Moffat B, Paton S, Wu J. Enhanced surveillance for childhood hepatitis B virus infection in Canada, 1999-2003. Int J Med Sci 2005; 2(4):143-146. doi:10.7150/ijms.2.143. https://www.medsci.org/v02p0143.htm

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Abstract

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 incidence of HBV infection per 100,000 ranged from 9.4 to 16.3, during the study period (linear trend test, p=0.69). Poisson regression analysis revealed that non-Canadian-born children were more likely to have HBV infection (RR, 12.3; 95% CI, 7.6 to 19.8), than Canadian-born children. HBV infection was found to be more common among children emigrating from high endemic area, than among Canadian-born children. Current Canadian immunization policy should take into consideration the protection of all children against HBV infection, including those coming from countries where mass hepatitis B vaccination programs have still not been launched.

Keywords: incidence, hepatitis B, surveillance, children, birthplace

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APA

Wu, H.X., Andonov, A., Giulivi, A., Goedhuis, N.J., Baptiste, B., Furseth, J., Poliquin, D., Chan, J.IP., Bolesnikov, G., Moffat, B., Paton, S., Wu, J. (2005). Enhanced surveillance for childhood hepatitis B virus infection in Canada, 1999-2003. International Journal of Medical Sciences, 2(4), 143-146. https://doi.org/10.7150/ijms.2.143.

ACS

Wu, H.X.; Andonov, A.; Giulivi, A.; Goedhuis, N.J.; Baptiste, B.; Furseth, J.; Poliquin, D.; Chan, J.IP.; Bolesnikov, G.; Moffat, B.; Paton, S.; Wu, J. Enhanced surveillance for childhood hepatitis B virus infection in Canada, 1999-2003. Int. J. Med. Sci. 2005, 2 (4), 143-146. DOI: 10.7150/ijms.2.143.

NLM

CSE

Wu HX, Andonov A, Giulivi A, Goedhuis NJ, Baptiste B, Furseth J, Poliquin D, Chan JIP, Bolesnikov G, Moffat B, Paton S, Wu J. 2005. Enhanced surveillance for childhood hepatitis B virus infection in Canada, 1999-2003. Int J Med Sci. 2(4):143-146.

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