Report summary

University of Michigan–ann Arbor Department of Microbiology and Immunology in 2015-2017 reads as a 36-PI network with 20 internal PI collaborations. The dominant subject mix is Medicine as the leading field (33% of slots across 23 PIs; 23 labels), Molecular Biology as the leading subfield (12% of slots across 12 PIs; 12 labels), and Clostridium difficile and Clostridium perfringens research as the leading topic (5% of slots across 5 PIs; 5 labels). Overall the pattern is balanced: there is enough structure to identify active groups, while the field mix still leaves room for multiple research identities. The leading PI names are Vincent B. Young (15.8 weighted works; Clostridium difficile and Clostridium perfringens research, Gut microbiota and health); Yongqun He (15 weighted works; Biomedical Text Mining and Ontologies, Bioinformatics and Genomic Networks). The most visible ties are Sei Yoshida and Joel A. Swanson (4 shared works, weight 3.5); Kalyani Pyaram and Cheong‐Hee Chang (6 shared works, weight 3.3). The leading breakdown groups are group 1 with 8 PIs, 7 internal connections, weight 6.7, around Infectious Diseases, Molecular Biology, Epidemiology, led by Vincent B. Young, Gary B. Huffnagle, Eric C. Martens.