Aethlon Medical, Inc., a medical device company, focuses on creating devices that address unmet medical needs in health and biodefense worldwide. The company is developing Aethlon Hemopurifier, a clinical-stage therapeutic device that eliminates life-threatening viruses from the circulatory system of infected individuals. It is also involved in the development of exosomal biomarkers to diagnose and monitor life-threatening disease conditions, such as cancer and neurological disorders; and a therapeutic device to reduce the incidence of sepsis, a fatal bloodstream infection. The company was founded in 1991 and is based in San Diego, California.