TAMPA, Fla.--(BUSINESS WIRE)--Accentia Biopharmaceuticals, Inc. (OTCQB: “ABPI”), and its majority-owned subsidiary, Biovest International, Inc. (OTCQB: “BVTI”), announced today that the companies will be presenting and exhibiting at the upcoming Biotechnology Industry Organization (BIO) International Conference to be held in Washington, D.C., June 27th – 30th.