Investigations describe two outbreaks of HIV infections from unsterile procedures during kidney dialysis.
One outbreak reported in 1990 infected a 30 dialysis patients in the province of Cordoba. 
An outbreak reported in 1993 infected 20 patients attending the Centro Modelo de Dialisis in La Plata during 1992-93.
1. Dyer E. Argentinian doctor accused of spread AIDS. BMJ 1993; 307: 584. Available at: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1678922/?page=4 (accessed 11 February 2018).