Sanofi, together with its subsidiaries, engages in the research, development, manufacture, and marketing of therapeutic solutions in the United States, Europe, and internationally. It operates through three segments: Pharmaceuticals, Vaccines, and Consumer Healthcare. The company provides specialty care products, including human monoclonal antibodies; products for multiple sclerosis, neurology, other inflammatory diseases, immunology, rare diseases, oncology, and rare blood disorders; medicines for diabetes; and cardiovascular and established prescription products.