Jon Andrus, an American physician, epidemiologist and immunization specialist, is the former deputy director of the Pan American Health Organization (PAHO).
Jon Andrus, experto norte-americano en inmunizaciones, es el Director Adjunto de la Organización Panamericana de la Salud (OPS). (es)
Jon Andrus, an American physician, epidemiologist and immunization specialist, is the former deputy director of the Pan American Health Organization (PAHO). (en)
Jon Andrus, experto norte-americano en inmunizaciones, es el Director Adjunto de la Organización Panamericana de la Salud (OPS). (es)
Jon Andrus, an American physician, epidemiologist and immunization specialist, is the former deputy director of the Pan American Health Organization (PAHO). (en)