Journal metric profile

INFECTION AND IMMUNITY

Clarivate Journal Citation Reports (JCR)-based Journal Impact Factor, five-year Impact Factor, quartile, category rank, publisher, identifiers and citation profile for the 2025 metric year.

JCR-based Impact Factor 2.800 2025 metric year
5-Year Impact Factor 3.100 Longer citation window
JCR Quartile Q2 Subject-category quartile
JCR Category Rank 57/137 Recorded category rank

INFECTION AND IMMUNITY JCR impact factor overview

Automatically generated from the journal record shown on this page.

Page reviewed August 6, 2026

Clarivate JCR impact factor overview

INFECTION AND IMMUNITY is listed in this directory with bibliometric information for 2025. It is published by AMER SOC MICROBIOLOGY. The database records a Journal Impact Factor of 2.800, presented as a Clarivate Journal Citation Reports (JCR)-based metric. Its listed JCR Impact Factor quartile is Q2.

Ranking and quartile

The recorded JCR Impact Factor category rank is 57 out of 137 journals in its listed category. A Q2 designation describes the journal’s position within its subject category; it should not be used as a direct measure of the quality of an individual article.

Citation profile

The record contains 35,933 total citations, 136 total articles, 153 citable items. The five-year Impact Factor is 3.100, which is 0.300 points above the listed standard Journal Impact Factor. These values use different citation windows and should be interpreted together rather than as a direct trend. The Journal Impact Factor without journal self-citations is recorded as 2.700. The Journal Citation Indicator is listed as 0.670.

Citation half-life

The cited half-life is recorded as 18.6 years, describing the median age of articles cited in the reporting year. The citing half-life is 10.4 years, reflecting the median age of references used by the journal’s articles.

Journal identifiers and verification

INFECTION AND IMMUNITY is identified in this record by print ISSN 0019-9567 and electronic ISSN 1098-5522. Use the ISSN when checking library catalogues, publisher records, indexing databases, or the official Clarivate Journal Citation Reports entry.

Complete journal information

All values below come directly from the database record.

Journal nameINFECTION AND IMMUNITY
Abbreviated journalINFECT IMMUN
PublisherAMER SOC MICROBIOLOGY
Metric year2025
Overall rank5,426
ISSN0019-9567
eISSN1098-5522
Total cites35,933
Total articles136
Citable items153
Cited half-life18.6 years
Citing half-life10.4 years
JCR-based Journal Impact Factor2.800
5-Year Impact Factor3.100
Impact Factor without journal self-cites2.700
Journal Citation Indicator0.670
JCR Impact Factor quartileQ2
JCR category rank57/137
Database record updated

Frequently asked questions

What is the 2025 JCR-based Journal Impact Factor of INFECTION AND IMMUNITY?

The Journal Impact Factor recorded in this directory as a Clarivate Journal Citation Reports (JCR)-based value for INFECTION AND IMMUNITY is 2.800 for the 2025 metric year.

What quartile is INFECTION AND IMMUNITY?

INFECTION AND IMMUNITY is listed in quartile Q2. Quartiles describe a journal’s position within a subject category and should be interpreted within that field.

Who publishes INFECTION AND IMMUNITY?

INFECTION AND IMMUNITY is listed as being published by AMER SOC MICROBIOLOGY.

Can a JCR Journal Impact Factor be used to judge an individual article?

No. The Journal Impact Factor is a journal-level citation measure reported in Clarivate Journal Citation Reports. It does not measure the quality, reliability or influence of every individual article published by that journal.

Additional records from the same publisher or with a similar listed JCR Impact Factor.