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Unsafe injections in the developing world and transmission of bloodborne pathogens: a review.
Bull World Health Organ. 1999; 77(10):789-800.BW

Abstract

Unsafe injections are suspected to occur routinely in developing countries. We carried out a literature review to quantify the prevalence of unsafe injections and to assess the disease burden of bloodborne infections attributable to this practice. Quantitative information on injection use and unsafe injections (defined as the reuse of syringe or needle between patients without sterilization) was obtained by reviewing the published literature and unpublished WHO reports. The transmissibility of hepatitis B and C viruses and human immunodeficiency virus (HIV) was estimated using data from studies of needle-stick injuries. Finally, all epidemiological studies that linked unsafe injections and bloodborne infections were evaluated to assess the attributable burden of bloodborne infections. It was estimated that each person in the developing world receives 1.5 injections per year on average. However, institutionalized children, and children and adults who are ill or hospitalized, including those infected with HIV, are often exposed to 10-100 times as many injections. An average of 95% of all injections are therapeutic, the majority of which were judged to be unnecessary. At least 50% of injections were unsafe in 14 of 19 countries (representing five developing world regions) for which data were available. Eighteen studies reported a convincing link between unsafe injections and the transmission of hepatitis B and C, HIV, Ebola and Lassa virus infections and malaria. Five studies attributed 20-80% of all new hepatitis B infections to unsafe injections, while three implicated unsafe injections as a major mode of transmission of hepatitis C. In conclusion, unsafe injections occur routinely in most developing world regions, implying a significant potential for the transmission of any bloodborne pathogen. Unsafe injections currently account for a significant proportion of all new hepatitis B and C infections. This situation needs to be addressed immediately, as a political and policy issue, with responsibilities clearly defined at the global, country and community levels.

Authors+Show Affiliations

World Health Organization, Geneva, Switzerland.No affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article
Review

Language

eng

PubMed ID

10593026

Citation

Simonsen, L, et al. "Unsafe Injections in the Developing World and Transmission of Bloodborne Pathogens: a Review." Bulletin of the World Health Organization, vol. 77, no. 10, 1999, pp. 789-800.
Simonsen L, Kane A, Lloyd J, et al. Unsafe injections in the developing world and transmission of bloodborne pathogens: a review. Bull World Health Organ. 1999;77(10):789-800.
Simonsen, L., Kane, A., Lloyd, J., Zaffran, M., & Kane, M. (1999). Unsafe injections in the developing world and transmission of bloodborne pathogens: a review. Bulletin of the World Health Organization, 77(10), 789-800.
Simonsen L, et al. Unsafe Injections in the Developing World and Transmission of Bloodborne Pathogens: a Review. Bull World Health Organ. 1999;77(10):789-800. PubMed PMID: 10593026.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Unsafe injections in the developing world and transmission of bloodborne pathogens: a review. AU - Simonsen,L, AU - Kane,A, AU - Lloyd,J, AU - Zaffran,M, AU - Kane,M, PY - 1999/12/11/pubmed PY - 1999/12/11/medline PY - 1999/12/11/entrez KW - Behavior KW - Biology KW - Communicable Diseases KW - Developing Countries KW - Diseases KW - Equipment And Supplies KW - Hepatitis--transmission KW - Hiv Infections--transmission KW - Infections KW - Literature Review KW - Measurement KW - Prevalence KW - Research Methodology KW - Risk Behavior KW - Risk Factors KW - Syringe KW - Viral Diseases SP - 789 EP - 800 JF - Bulletin of the World Health Organization JO - Bull World Health Organ VL - 77 IS - 10 N2 - Unsafe injections are suspected to occur routinely in developing countries. We carried out a literature review to quantify the prevalence of unsafe injections and to assess the disease burden of bloodborne infections attributable to this practice. Quantitative information on injection use and unsafe injections (defined as the reuse of syringe or needle between patients without sterilization) was obtained by reviewing the published literature and unpublished WHO reports. The transmissibility of hepatitis B and C viruses and human immunodeficiency virus (HIV) was estimated using data from studies of needle-stick injuries. Finally, all epidemiological studies that linked unsafe injections and bloodborne infections were evaluated to assess the attributable burden of bloodborne infections. It was estimated that each person in the developing world receives 1.5 injections per year on average. However, institutionalized children, and children and adults who are ill or hospitalized, including those infected with HIV, are often exposed to 10-100 times as many injections. An average of 95% of all injections are therapeutic, the majority of which were judged to be unnecessary. At least 50% of injections were unsafe in 14 of 19 countries (representing five developing world regions) for which data were available. Eighteen studies reported a convincing link between unsafe injections and the transmission of hepatitis B and C, HIV, Ebola and Lassa virus infections and malaria. Five studies attributed 20-80% of all new hepatitis B infections to unsafe injections, while three implicated unsafe injections as a major mode of transmission of hepatitis C. In conclusion, unsafe injections occur routinely in most developing world regions, implying a significant potential for the transmission of any bloodborne pathogen. Unsafe injections currently account for a significant proportion of all new hepatitis B and C infections. This situation needs to be addressed immediately, as a political and policy issue, with responsibilities clearly defined at the global, country and community levels. SN - 0042-9686 UR - https://www.unboundmedicine.com/medline/citation/10593026/Unsafe_injections_in_the_developing_world_and_transmission_of_bloodborne_pathogens:_a_review_ DB - PRIME DP - Unbound Medicine ER -