Rates of sexually transmitted infections have been rising since 2000. There are few effective treatment options for syphilis, which was nearly eradicated in the United States at the time and now affects over 18 million people annually worldwide. The inability to culture and investigate the agent that causes syphilis in a laboratory setting has been one obstacle that has hampered researchers studying the disease for decades. "A reliable system for propagating the disease-causing agent in vitro or in a laboratory setting was produced through the incredible efforts of our colleagues and collaborators. According to Brandon Jutras, the project's principal investigator,