Sanofi Pasteur Ltd. develops, manufactures, and markets vaccines and immunotherapeutic products. It offers vaccines for haemophilus influenza type B (Hib), diphtheria, pertussis, poliomyelitis, tetanus, hepatitis A, influenza, poliomyelitis, rabies, meningococcal disease, typhoid fever, and yellow fever, as well as oncology products for bladder cancers. The company was founded John Gerald FitzGerald in 1914 and is headquartered in Toronto, Canada.