MMWR Surveillance Summaries is the 1st out of 18,687 Social Sciences journals. This means the journal is among the top 1% in the science branch of Social Sciences. This Journal is the 1st out of 644 Management journals. This means the journal is among the top 1% in the discipline of Management. This Journal is the 1st out of 45 Health Information Management journals. This means the journal is among the top 3% in the sub-discipline of Health Information Management. This Journal is the 1st out of 180 Epidemiology journals. This means the journal is among the top 1% in the sub-discipline of Epidemiology. This Journal is the 2nd out of 5,258 Biology journals. This means the journal is among the top 1% in the discipline of Biology. This Journal is the 3rd out of 8,993 Life Sciences journals. This means the journal is among the top 1% in the science branch of Life Sciences. This Journal is the 4th out of 14,350 Health Sciences journals. This means the journal is among the top 1% in the science branch of Health Sciences. This Journal is the 5th out of 11,479 Physical Sciences journals. This means the journal is among the top 1% in the science branch of Physical Sciences.
How are inpact factors calculated?
The impact factor (IF) is calculated by counting citations from peer-reviewed journals only.
extended IF also counts citations from books and conference papers. However, no patent, abstract, working papers, online documents, etc., are covered.