As Miss Universe 2003, Vega traveled extensively working with internationally recognized HIV/AIDS organizations including the Global Health Council, Cable Positive, amfAR, the Elizabeth Glaser Pediatric AIDS Foundation and God's Love We Deliver.
Как Мисс Вселенная 2003 Вега много путешествовала и работала в международных организациях по борьбе с ВИЧ / СПИДом (включая Global Health Council, Cable Positive, amfAR, Elizabeth Glaser Pediatric AIDS Foundation, и God’s Love We Deliver).