FILE - In this Feb. 3, 2015 file photo, Dr. Anthony Fauci, Director, National Institute of Allergy and Infectious Diseases, National Institutes of Health, testifies on Capitol Hill in Washington. A major international study says don’t delay in seeking HIV treatment: Starting medication soon after diagnosis helps keep people healthy longer. People who started anti-AIDS drugs while their immune system was still strong were far less likely to develop AIDS or other serious illnesses than if they waited until blood tests showed their immune system was starting to weaken, the U.S. National Institutes of Health announced Wednesday. (AP Photo/Molly Riley, File)WASHINGTON (AP) — A major international study sought to settle how soon is best to start HIV treatment — and the advice is don’t delay.