In Memoriam: Dr. Edward Pesanti (1944–2026)

Remembering retired ID expert Dr. Pesanti's lasting mark.

Late Ed Pesanti of ID
Jun 19, 2026
All News

 

Dr. Edward Pesanti was a Professor of Medicine in the Division of Infectious Diseases at UConn Health. He joined the faculty of the University of Connecticut Health Center and Veterans Affairs healthcare system in 1982, where he served for more than four decades as a clinician, educator, researcher, and mentor until his retirement. His career coincided with a transformative era in infectious diseases medicine, spanning the emergence of HIV/AIDS, the development of modern antiretroviral therapy, and major advances in the diagnosis and management of complex infections.

Throughout his career, Dr. Pesanti balanced a deep commitment to patient care with a passion for scientific inquiry. His early academic work focused on basic investigations of Pneumocystis carinii (now Pneumocystis jirovecii), an opportunistic fungal pathogen that became a defining infection of the AIDS epidemic. Through studies examining the organism's metabolism, host interactions, and cultivation, he contributed significantly to understanding one of infectious diseases' most elusive pathogens and helped advance a field that proved critical during the HIV/AIDS era.

As his career evolved, Dr. Pesanti increasingly focused on clinical research and patient-centered investigation. Among his most influential contributions was the landmark 2008 publication, Persistent and Relapsing Babesiosis in Immunocompromised Patients, which helped define the management of severe babesiosis and continues to influence clinical practice today. The work highlighted the unique challenges posed by this emerging tick-borne infection and exemplified his ability to translate clinical observations into advances that improved patient care.

While his scholarly contributions were substantial, Dr. Pesanti's most enduring legacy lies in the generations of physicians he taught and mentored. A gifted educator with an encyclopedic memory and remarkable breadth of knowledge, he challenged trainees not only to master established facts but also to question prevailing assumptions. His teaching combined intellectual rigor with historical perspective, inspiring curiosity and lifelong learning among fellows, residents, and medical students.

Dr. Pesanti was also deeply committed to multidisciplinary patient care. He was a trusted consultant in the management of complex prosthetic joint and musculoskeletal infections, collaborating closely with orthopedic surgeons in limb salvage and infection care. Equally important was his dedication to underserved populations, including individuals within correctional facilities, where he played a major role in the care of patients with HIV/AIDS and other infectious diseases.

Through his scholarship, clinical service, mentorship, and advocacy, Dr. Pesanti left a lasting mark on the practice of infectious diseases in Connecticut and beyond. His rigor, intellectual curiosity, humility, and unwavering commitment to his patients and trainees continue to be reflected in the work of the many clinicians whose careers he helped shape.

Read the tribute to Dr. Pesanti’s life and work in the Hartford Courant.

Sincerely,

Dr. Kevin Dieckhaus
Chief, Division of Infectious Diseases
UConn School of Medicine