Declining hepatitis C rates in first-time blood donors: insight from surveillance and case-control risk factor studies

Transfusion
S F O'BrienG Delage

Abstract

Hepatitis C virus (HCV) rates have decreased steadily in first-time donors in Canada since testing was implemented but reasons are unclear. A description of factors that may have played a role in this decline is reported. Descriptive analysis of first-time blood donors by HCV positivity status and year (1993--2006), sex, and age was carried out. HCV-positive first-time donors and matched controls participated in a confidential scripted telephone interview about risk factors in 1993 through 1994 and in 2005 through 2006, and risk factors independently predicting HCV positivity were determined with multiple logistic regression. HCV-positive donations occurred most frequently in donors born between 1945 and 1964 and decreased in this birth cohort over time (p < 0.01). At present, most first-time donors (74%) are born after 1964. History of intravenous drug use, sex with an intravenous drug user, blood transfusion, and tattoo independently predicted (p < 0.01) HCV positivity in both periods (1993--1994 and 2005--2006). Most HCV-positive donors were born between 1945 and 1964, and the decline in HCV rates is associated primarily with this birth cohort. The key risk factors predicting HCV positivity did not change over the 13 years o...Continue Reading

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Citations

Jul 14, 2010·The Journal of Infectious Diseases·Edward L MurphyUNKNOWN Retrovirus Epidemiology Donor Study
Feb 1, 2012·Clinical Infectious Diseases : an Official Publication of the Infectious Diseases Society of America·Rania A Tohme, Scott D Holmberg
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Jan 24, 2018·PloS One·Shelly BolotinTony Mazzulli

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