Infectious Diseases


Welcome to the Division of Infectious Diseases at SIU Medicine. Our specialists care for patients infected by viruses, bacteria, parasites, fungi and other germs, in inpatient and outpatient settings. The experts in the Division of Infectious Diseases also see patients with compromised or suppressed immune systems or those who plan on traveling abroad. The team of infectious disease specialists also provide comprehensive training and clinical experience to learners in our residency and fellowship programs. Our division also plays a key role in promoting infection control throughout our organization and community.

COVID19 Testing-5381
Dr Sundareshan lab infectious disease

5 questions for Vidya Sundareshan

Vidya Sundareshan, MD, is chief of the Division of Infectious Diseases in SIU’s Department of Internal Medicine. She has been a public health resource, medical educator and spokesperson for the school of medicine throughout the 2020 pandemic response. She also serves as the Medical Director at Sangamon County Department of Public Health.

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Splitting Hairs - The Patient Experience at SIU

Teaching learners how to provide compassionate patient care is at the heart of what we do at SIU School of Medicine. But sometimes, building trusting, open relationships with patients can be challenging. Infectious disease specialist Dr. Vidhya Prakash describes how she worked with one patient to develop a meaningful doctor-patient relationship and improve his health.