Lyon, France and Swiftwater, Pa. — Sanofi Pasteur announced Dec. 15 that it is expanding its phase II clinical study of a vaccine against Clostridium difficile infection into the United States.
Lyon, France and Swiftwater, Pa. — Sanofi Pasteur announced Dec. 15 that it is expanding its phase II clinical study of a vaccine against Clostridium difficile infection into the United States.