You are here

Pediatric Infectious Diseases

Pediatric Antimicrobial Stewardship Program

Visit the Pediatric Antimicrobial Stewardship Program Site


  Subhash Chaudhary, MD

Dr Chaudhary is the Chief of the Division of Pediatric Infectious Diseases at Southern Illinois University School of Medicine. He earned his medical degree from All India Institute of Medical Sciences, New Delhi, India. He completed a pediatric residency and a fellowship in pediatric infectious diseases at St. Jude Children's Research Hospital in Memphis, Tennessee.  He is the Chair of Infection Prevention and Control at St John’s Hospital, and served as Chair of Pediatrics at Memorial Medical Center for twenty-one years. Dr. Chaudhary has authored work on Pneumocystis Pneumonia and Group A Streptococcal infections in children.

 Marcela Rodriguez, MD

Dr. Rodriguez is an associate professor of clinical pediatrics at Southern Illinois University School of Medicine, specializing in infectious diseases. She earned her medical degree and completed a pediatric residency at Libre University in Cali, Columbia, followed by a three-year fellowship in pediatric infectious diseases at Washington University School of Medicine in St. Louis, Missouri. Dr. Rodriguez is board certified by the American Board of Pediatrics in both Pediatrics and Infectious Diseases, and is a member of the American Academy of Pediatrics, the Pediatric Infectious Diseases Society and the Infectious Diseases Society of America.

Dr. Ezzeldin Saleh Ezzeldin Saleh, MD

Dr. Saleh is an Assistant Professor of Pediatrics at Southern Illinois University School of Medicine in the Division of Pediatric Infectious Diseases. He earned his medical degree from the University of Khartoum in Kharoum, Sudan, and completed his pediatric residency at Penn State Hershey Medical Center in Hershey, Pennsylvania.  He completed a fellowship in Pediatric Infectious Diseases at Duke University Medical Center in Durham, North Carolina.  Dr. Saleh practiced as a general pediatrician at Mayo Clinic Health System in La Crosse, Wisconsin before joining SIU.

Clinical and Research Interests

Dr Chaudhary has interest in early diagnosis of infection and prevention and control of infections.

Dr Rodriguez has interest in clinical research and pediatric antimicrobial stewardship. She is currently involved in clinical research in Community associated S. aureus skin and soft tissue infections and in congenital CMV infections.


Patient Care

The Division of Pediatric Infectious Diseases provides a full-time consultation service for infants and children (newborn to 18 years old) admitted at HSHS St. Johns Children’s Hospital in the Neonatal ICU, Pediatric ICU and General Pediatrics Floors. Additionally, the doctors provide consultation services in Memorial Medical Center in the Level 2 nursery.

Patients referred for evaluation or management of a variety of infectious diseases are seen in our Infectious Diseases Clinics, held on Monday, Wednesdays and Friday mornings and Thursdays afternoons at the Women & Children's Clinic at 400 N. 9th Street in Springfield. All hospital follow ups are also done during the same clinic time.

Conditions treated in the Pediatric Infectious Diseases Clinic are

  • Conditions producing diagnostic dilemmas such as recurrent fevers, fever of unknown origin, recurrent infections.
  • Bacterial infections including skin and soft tissue infections, lung infections, osteoarticular infections, lymphnodes infections, ocular or ear infections, central nervous system infections
  • Histoplasmosis
  • Kawasaki disease
  • Tick transmitted or other vector borne diseases
  • Unusual infections caused by pathogens such as fungus, mycobacteria or drug resistant organisms
  • Opportunistic infections in immunosuppressed patients due to acquired or congenital immunodeficiency
  • Infants born to HIV positive mothers

Other specialized clinical services

  • Travel clinic: the travel clinic provides pre- and post-travel consultations for any person traveling for leisure, work or volunteering. The pediatric infectious diseases specialists assist patients in planning for a safer trip by providing tailored health recommendations specific to travel destinations.
  • International Adoption Clinic: this service provides a thorough review of vaccination needs and screening for infectious diseases.  In addition, these children may be referred for a development/psychological evaluation, hearing assessment, and occupational and physical therapy referrals, as needed
  • Telemedicine consultation services


Third-year medical students rotate through the Pediatric Infectious Diseases Service during their 4 weeks of Pediatric Clerkship. Fourth year medical students can select a 2 or 4 week elective in our service. Pediatric residents also participate in the Infectious Diseases rotation. They participate in the inpatient consultation service and outpatient clinic service, and in our educational conferences including ID case conference and ID journal club weekly.

The Pediatric Infectious Diseases Division also provides Pediatric Grand Rounds, multiple core conferences to residents and board review sessions for pediatric residents and family medicine residents.