BALTIMORE--(BUSINESS WIRE)--Profectus BioSciences, Inc. (Profectus), a clinical stage biopharmaceutical company focused on the development of novel vaccine candidates for chronic viral infections, announced today that the company will present new preclinical data at the 12th Annual Conference on Vaccine Research. The conference is taking place in Baltimore, Maryland from April 27-29, 2009. For more information about the conference, please visit http://www.nfid.org/conferences/vaccine09/.