NEW YORK – MAY 21: Dr. Sanjay Phogat, a Principle Scientist at the International AIDS Vaccine Initiative laboratory looks over test results May 21, 2010 in New York. Research into creating a AIDS vaccine continues at the Brooklyn borough outpost of IAVI, one of a consortium of laboratories around the world doing science in pursuit of a long-standing goal of immunobiologists around the world. Researchers at the lab published an important paper last year detailing a newly-discovered vulnerability on the surface of the HIV virus that causes AIDS, landmark work that could one day be crucial in creating a vaccine. (Photo by Chris Hondros/Getty Images)