A woman in Argentina appears to be the second person to naturally eliminate HIV without a stem cell transplant, according to a recent medical journal report.
Last year, the same research team announced that Sacramento resident Loreen Willenberg was the first person known to naturally clear the virus.
After extensive testing, Dr. Xu Yu of Massachusetts General Hospital and the Ragon Institute, and colleagues think the anonymous woman, dubbed the Esperanza patient after her city in Argentina, may have achieved a so-called sterilizing cure, meaning no residual intact HIV. "These findings, especially with the identification of a second case, indicate there may be an actionable path to a sterilizing cure for people who are not able to do this on