Vitex, a Watertown, Massachusetts., company is experiencing renewed interest in its stock. Vitex produces Inactine, a blood purification product. The fresh interest in the company, whose stock had dropped to below $1, came about with the discovery of a cow in Canada with mad cow disease. Inactine is said to bind bacteria, viruses, proteins, white blood cells and other contaminants in bags of separated red blood cells. According to Vitex, after infusing with Inactine, contaminants cannot replicate. As a result, the company hopes to show that red blood cell units can be safely transfused.

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