Wyeth is one of the world's largest research-driven pharmaceutical companies. It is a leader in the discovery, development, manufacturing and marketing of pharmaceuticals, vaccines, biotechnology products and non-prescription medicines that improve the quality of life for people worldwide. Wyeth Canada, an affiliate of Wyeth, markets leading products in the areas of women's health care, neuroscience, musculoskeletal therapy, transplantation and immunology, hemophilia and vaccines.