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: 2020 Journal Impact Factors (Journal Citation Reports, 2021)

  • Surveillance Summaries – 58.769; ranked 1st
  • Recommendations and Reports – 55.857; ranked 2nd
  • Weekly – 17.586; ranked 7th
  • All ranked out of 203 journals in the subject category of PUBLIC, ENVIRONMENTAL & OCCUPATIONAL HEALTH

MMWR  Series: 2021 Scimago Journal Rank (SJR)

  • Recommendations and Reports ‒ SJR: 25.045; ranked 5th among 27,339 journals
  • Weekly ‒ SJR: 16.513; ranked 24th among 27,339 journals
  • Surveillance Summaries ‒ SJR: 10.129; ranked 62nd among 27,339 journals

MMWR  Weekly: Google Scholar h-Index (2021)


  • More than 190,000 electronic subscribers
  • The journal site receives more than 17 million page views (CDC Web Statistics).


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

Publication ISSN eISSN*
MMWR  Weekly 0149-2195 1545-861X
MMWR  Recommendations and Reports 1057-5987 1545-8601
MMWR  Surveillance Summaries 1546-0738 1545-8636
MMWR  Supplements 2380-8950 2380-8942

*Electronic version of the publication


Page last reviewed: June 10, 2022