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- Title
Does prevalence of transfusion-transmissible viral infection reflect corresponding incidence in United States blood donors?
- Authors
Baoguang Wang; Schreiber, G. B.; Glynn, S. A.; Kleinman, Steven; Wright, D. J.; Murphy, E. L.; Busch, M. P.
- Abstract
Calculation of viral residual risk is dependent on estimating incidence, which is not easily obtainable by most blood centers. Prevalence, however, is readily available. Understanding whether prevalence reflects corresponding incidence may help blood centers monitor disease risks. With data on 12 million allogeneic donations, prevalence and incidence of transfusion-transmitted viral infections (TTVIs) were calculated. Relationships between prevalence (in total, first-time, and repeat donations) and incidence were analyzed for human immunodeficiency virus (HIV), hepatitis B virus (HBV), and hepatitis C virus (HCV) relative to temporal and donor demographic stratifications, respectively. Overall prevalence of HIV, HBV, and HCV did not consistently reflect corresponding incidence. The relationship between prevalence and incidence varied with time and donors’ age and was virus-specific. Incidence of TTVIs cannot be easily predicted from overall prevalence. Accurate assessment of TTVI risk necessitates knowledge about donation histories and person-years at risk. Establishing comprehensive frameworks for monitoring blood donations and infectious disease markers remains a key to monitoring blood safety.
- Publication
Transfusion, 2005, Vol 45, Issue 7, p1089
- ISSN
0041-1132
- Publication type
Academic Journal
- DOI
10.1111/j.1537-2995.2005.00178.x