VANCOUVER, BRITISH COLUMBIA--(CCNMatthews - April 19, 2007) - ALDA Pharmaceuticals Corp. (TSX VENTURE:APH) ("ALDA") has completed the development of a superior hand sanitizer based on its patent-pending T36® infection control technology. Tests indicate that ALDA's T36® Hand Sanitizer is approximately 3,000 times more powerful than common alcohol-based hand sanitizers. ALDA has developed this new T36® Hand Sanitizer to meet a world-wide demand of $2.5 Billion from consumers, commercial establishments and medical facilities for hand hygiene products.