IECS (from the Spanish, Institute for Clinical Effectiveness and Health Policy) is a non-profit autonomous academic institution devoted to research, education and technical cooperation in healthcare.

It is affiliated with the University of Buenos Aires (UBA) School of Medicine, and houses an executive unit of the CONICET (Argentine National Scientific and Technical Research Council), one Collaborating center of the World Health Organization (WHO) and a Cochrane Center. Founded in 2002, its mission is “to contribute with improving overall health, creating and promoting the use of the best scientific evidence”.