WORCESTER, Mass.--(BUSINESS WIRE)--Biovest International’s (BVTI) Chief Scientific Officer, Mark Hirschel, Ph. D will present an hour-long session titled: “Manufacturing Challenges in the Age of Personalized Medicine” on Thursday, April 26, 2007. The session (number B11) will begin at 10:15 AM at INTERPHEX2007 at the Jacob K. Javits Convention Center in New York City.