Report summary

For Harvard University Department of Epidemiology in 2018-2020, the graph shows 120 visible PIs and 638 internal PI collaborations. The main research signal is Medicine as the leading field (45% of slots across 90 PIs; 90 labels), Public Health, Environmental and Occupational Health as the leading subfield (10% of slots across 30 PIs; 30 labels), and Nutritional Studies and Diet as the leading topic (5% of slots across 17 PIs; 17 labels). That is a healthy pattern, with enough links to reveal several interpretable groups rather than one undifferentiated component. The most prominent PIs by weighted works are JoAnn E. Manson (40.6 weighted works; Menopause: Health Impacts and Treatments, Estrogen and related hormone effects). The clearest collaboration lines are Mingyang Song and Edward L. Giovannucci (69 shared works, weight 23.1); Mingyang Song and Andrew T. Chan (63 shared works, weight 22.1). The strongest breakdown groups are group 1 with 9 PIs, 10 internal connections, weight 86.1, around Public Health, Environmental and Occupational Health, Physiology, Endocrinology, Diabetes and Metabolism, led by JoAnn E. Manson, Frank B. Hu, Lu Qi.