HIV infection is a continuing global problem. Human immunodeficiency virus type 1 (HIV-1) can be transmitted through breast-feeding and through contaminated blood donations.Copper has potent biocidal properties and has been found to inactivate HIV-1 infectivity. 

This study determines the capacity of copper oxide filters to reduce infectious virus titers in culture media. The successful application of this technology may impact HIV-1 transmission, especially in developing countries where HIV-1 is rampant.

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Authors: Gadi Borkow, Humberto H. Lara, Chandice Y. Covington, Adeline Nyamathi, and Jeffrey Gabbay. Antimicrobial agents and chemotherapy, Feb. 2008