mBio is a bimonthly peer-reviewed open access scientific journal published by the American Society for Microbiology in association with the American Academy of Microbiology. It covers all aspects of the microbiological sciences, including virology, bacteriology, parasitology, mycology, and allied fields. The journal was established in 2010 with Arturo Casadevall as founding editor-in-chief.

Abstracting and indexing

The journal is abstracted and indexed in: • BIOSIS Previews • Chemical Abstracts Service • Index Medicus/MEDLINE/PubMed • ProQuest databases • Science Citation Index Expanded • Scopus According to the Journal Citation Reports, the journal has a 2023 impact factor of 5.1.