Morbidity and Mortality Weekly Reports (MMWR)

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Based on weekly reports to CDC from state public health departments, the Morbidity and Mortality Weekly Report (MMWR) is a series of scientific public health information and recommendations. MMWR readership consists mainly of medical and public health professionals, scientists, epidemiologists, and researchers.

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Disclaimer: Data and findings provided in historical MMWRs are for informational purposes only. More recent information may exist elsewhere on this site (for example, in fact sheets, or other materials that are reviewed on a regular basis and updated accordingly).