About the Morbidity and Mortality Weekly Report ( MMWR ) Series

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.

MMWR  readership predominantly consists of physicians, nurses, public health practitioners, epidemiologists and other scientists, researchers, educators, and laboratorians.

All material in the MMWR  Series is in the public domain and may be used and reprinted without special permission; citation as to source, however, is appreciated. Questions or comments about the MMWR Series can be sent to mmwrq@cdc.gov or to the following:

MMWR  Series
Centers for Disease Control and Prevention
1600 Clifton Road, N.E.
Mailstop V25-5
Atlanta, GA 30329-4027

MMWR  Series: 2025 Journal Impact Factors (Journal Citation Reports, 2026)

• Surveillance Summaries – 96.9; ranked 1st
• Recommendations and Reports – 51.3; ranked 2nd
• Weekly – 16.2; ranked 7th
• Ranked out of 443 journals in the subject category of Public, Environmental & Occupational Health.

MMWR  Series: 2025 Scimago Journal Rank

• Recommendations and Reports ‒ 27.9; ranked 6th
• Surveillance Summaries ‒ 14.7; ranked 44th
• Supplements – 6.8; ranked 168th
• Weekly ‒ 8.3; ranked 119th
• All ranked out of 32,193 journals.

MMWR  Weekly: Google Scholar h-Index (2025)

• h5-index: 193; h5-median: 326
• Ranked 54th of top 100 publications overall
• Ranked 17th of top 20 publications in Health & Medical Sciences
• Ranked 1st of top 20 publications in Epidemiology.

Circulation

• More than 118,901 electronic subscribers
• The journal site receives more than 14 million page views (CDC Web Statistics).

The MMWR  series of publications is identifiable by the following ISSN numbers:

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