Researchers want to help HIV-positive patients live better by understanding why their essentially dormant infection is still wreaking havoc in their mouth. Even with meticulous dental hygiene, tooth decay and gum disease, as well as infections by yeast, bacteria, and viruses such as human papillomavirus, continue to plague many patients, said Dr. Jos? A.Vazquez, Chief of the Section of Infectious Diseases at the Medical College of Georgia at Georgia Regents University.

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