Allervax Ragweed vaccine: IMUL began a trial of its vaccine for the 1996 ragweed season.

ImmuLogic Pharmaceutical Corp. (IMUL), Waltham, Mass. Product: Allervax Ragweed vaccine Indication: Ragweed allergy Status: IMUL began a trial of its vaccine for the 1996 ragweed season. The 500-patie...