The Morbidity and Mortality Weekly Report (MMWR) series is prepared by the Centers for Disease Control and Prevention (CDC). Often called the voice of CDC, the MMWR series is the agency's primary vehicle for scientific publication of timely, reliable, authoritative, accurate, objective, and useful public health information and recommendations. These reports discuss topics suck as Anthrax, Tobacco Use, Rabies, Hepatitis, and much more. The documents are very valuable to physicians, nurses, public health practitioners, epidemiologists and other scientists, researchers, educators, and laboratory technicians. This is one of their publications.