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Infectious Disease Treatment Team
At St. Jude Children’s Research Hospital, your child will receive the most advanced treatment from an experienced, compassionate care team. Our experts are dedicated to treating children with infectious diseases.
Leadership
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Octavio Ramilo, MD
Member, St. Jude Faculty
Chair, Department of Infectious Diseases
Octavio Ramilo, MD
Member, St. Jude Faculty
Chair, Department of Infectious Diseases
Affiliations
Research Interests
- Viral respiratory infections
- Early life immunity
- Application of systems analysis tools in the clinical setting
Contact Information
Octavio Ramilo, MD
Infectious Diseases
MS 320, Room E8050
St. Jude Children's Research Hospital
262 Danny Thomas Place
Memphis, TN 38105-3678
Infectious diseases physicians
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Elisabeth E. Adderson, MD
Associate Member, St. Jude Faculty
Director, Pediatric Infectious Diseases Fellowship Program
Elisabeth E. Adderson, MD
Associate Member, St. Jude Faculty
Director, Pediatric Infectious Diseases Fellowship Program
Research Interests
- Identifying virulence factors of Group B Streptococcus (GBS) and Haemophilus influenzae, key pathogens in infants.
- Investigating genomic differences in GBS strains to uncover genes linked to adhesion, invasion, and increased virulence.
- Studying outbreaks of H. influenzae serotypes a and e to identify bacterial factors driving increased virulence.
- Exploring genetic mechanisms by which respiratory pathogens acquire virulence genes.
Contact Information
Elisabeth E. Adderson, MD
MS 320, Room E8054
St. Jude Children's Research Hospital
262 Danny Thomas Place
Memphis, TN 38105-3678
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Patricia M. Flynn, MD
Member, St. Jude Faculty
Associate Dean, Clinical Investigations MS Program
Senior Vice President and Medical Director of Quality and Patient Care
Deputy Clinical Director
Arthur Ashe Chair in Pediatric AIDS Research
Patricia M. Flynn, MD
Member, St. Jude Faculty
Associate Dean, Clinical Investigations MS Program
Senior Vice President and Medical Director of Quality and Patient Care
Deputy Clinical Director
Arthur Ashe Chair in Pediatric AIDS Research
Affiliations
Research Interests
- HIV/AIDS
- Infections in immunocompromised hosts (mycotic infections and intravascular catheter infections)
- Epidemiology
Short Biography
Pat Flynn earned her BS at Rhodes College in Memphis and her MD at Louisiana State University Medical Center. She did her pediatric residency at the University of Tennessee Health Science Center/Le Bonheur Children’s Medical Center and her fellowship in pediatric infectious diseases at St. Jude Children’s Research Hospital, Le Bonheur and the University of Tennessee Health Science Center. She earned a Master of Science in Epidemiology from UTHSC. Patricia began working in the HIV/AIDS program at St. Jude in 1988. The program provides comprehensive care for infants, children and adolescents with HIV infection and is the site of several clinical trials networks making new interventions and treatments available to its patients. She has played an active role in the development and conducted numerous clinical trials for HIV and other infectious diseases.
Contact Information
Patricia M. Flynn, MD
Infectious Diseases
MS 230, Room O5008C
St. Jude Children's Research Hospital
262 Danny Thomas Place
Memphis, TN 38105-3678
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Aditya Gaur, MD
Member, St. Jude Faculty
Medical Director, Occupational Health
Director, Translational Trials Unit
Director, Clinical Research, Infectious Diseases
Aditya Gaur, MD
Member, St. Jude Faculty
Medical Director, Occupational Health
Director, Translational Trials Unit
Director, Clinical Research, Infectious Diseases
Clinical Interests
- Diagnosis and treatment of infections in immunocompromised children
- Pediatric HIV infection
- Epidemiology of infectious diseases
Contact Information
Aditya Gaur, MD
Infectious Diseases
MS 600, Room Q1078
St. Jude Children's Research Hospital
262 Danny Thomas Place
Memphis, TN 38105-3678
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Amanda Green, MD
Assistant Member, St. Jude Faculty
Affiliations
Research Interests
- Human immune responses to co-infection and chronic viruses, including HIV and CMV
- Hyperinflammation and immune dysregulation in response to acute viral triggers
- Infections in patients with sickle cell disease
Contact Information
Amanda Green, MD
Infectious Diseases
MS 320, Room E8004
St. Jude Children's Research Hospital
262 Danny Thomas Place
Memphis, TN 38105-3678
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Diego R. Hijano, MD, MSc
Associate Member, St. Jude Faculty
Affiliations
Research Interests
- Infections in hematopoietic cell transplant and cellular therapy recipients
- Respiratory viral infections in immunocompromised hosts
- Epidemiology and clinical outcomes of respiratory viral infections in high-risk pediatric populations
Contact Information
Diego R. Hijano, MD, MSc
Infectious Diseases
MS 320, Room E8063
St. Jude Children's Research Hospital
262 Danny Thomas Place
Memphis, TN 38105-3678
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Katherine M. Knapp, MD
Associate Member, St. Jude Faculty
Medical Director, Perinatal HIV Program
Katherine M. Knapp, MD
Associate Member, St. Jude Faculty
Medical Director, Perinatal HIV Program
Affiliations
Research Interests
- Pediatric/adolescent HIV infection
- Prevention of mother-to-child HIV transmission
- Long-term outcomes of perinatal HIV/antiretroviral exposure
- Infectious complications in immunocompromised hosts, particularly fungal infections
Contact Information
Katherine M. Knapp, MD
Infectious Diseases
MS 600, Room Q1077E
St. Jude Children's Research Hospital
262 Danny Thomas Place
Memphis, TN 38105-3678
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Ellie Margolis, MD, PhD
Assistant Member, St. Jude Faculty
Ellie Margolis, MD, PhD
Assistant Member, St. Jude Faculty
Research Interests
- Multi-drug resistant organisms (MDROs) colonization
- Selection of antibiotic resistance in immunocompromised hosts
- Ecological processes that determine microbiome dynamics in immunocompromised hosts
- Commensal microbes that limit the colonization of vancomycin resistant Enterococcus
Contact Information
Ellie Margolis, MD, PhD
Infectious Diseases
MS 320, Room E8002
St. Jude Children's Research Hospital
262 Danny Thomas Place
Memphis, TN 38105-3678
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Gabriela Maria Marón, MD, MSc
Associate Member, St. Jude Faculty
Affiliations
Research Interests
- Infectious complications in immunocompromised hosts, particularly fungal infections
- Dengue virus infections
- Pediatric and adolescent HIV/AIDS
Contact Information
Gabriela Maria Marón, MD, MSc
Infectious Diseases
MS 600, Room Q1077C
St. Jude Children's Research Hospital
262 Danny Thomas Place
Memphis, TN 38105-3678
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Asunción Mejías, MD, PhD, MsCS
Member, St. Jude Faculty
Asunción Mejías, MD, PhD, MsCS
Member, St. Jude Faculty
Affiliations
Research Interests
- Viral respiratory infections
- Perinatal infections including CMV and HSV
- Data science
- Integration of immune parameters with patient’s clinical phenotype
Contact Information
Asunción Mejías, MD, PhD, MsCS
Infectious Diseases
MS 320, Room E8051
St. Jude Children's Research Hospital
262 Danny Thomas Place
Memphis, TN 38105-3678
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Nehali D. Patel, MD
Associate Member, St. Jude Faculty
Director of Clinical Services, Infectious Diseases Clinic
Nehali D. Patel, MD
Associate Member, St. Jude Faculty
Director of Clinical Services, Infectious Diseases Clinic
Affiliations
Research Interests
- Pediatric/adolescent/young adult HIV therapy
- Pediatric vaccines
Contact Information
Nehali D. Patel, MD
Infectious Diseases
MS 600, Room Q1110
St. Jude Children's Research Hospital
262 Danny Thomas Place
Memphis, TN 38105-3678
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Joshua Wolf, PhD, MBBS
Associate Member, St. Jude Faculty
Affiliations
Research Interests
- Prediction, prevention and treatment of infections in immunocompromised children
- Management of device-associated infections
Contact Information
Joshua Wolf, PhD, MBBS
Infectious Diseases
MS 320, Room E8063
St. Jude Children's Research Hospital
262 Danny Thomas Place
Memphis, TN 38105-3678
Psychologist
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Megan L. Wilkins, PhD
Associate Member, St. Jude Faculty
Research Interests
- Medication adherence in youth with HIV
- Psychosocial adjustment in youth with HIV
- Cognitive and academic functioning in youth with HIV
- Body image in youth with HIV
- Trauma-informed HIV Care
Contact Information
Megan L. Wilkins, PhD
Psychology and Biobehavioral Sciences
MS 230 - HIV Clinical Research
St. Jude Children's Research Hospital
262 Danny Thomas Place
Memphis, TN 38105-3678
Advanced practice providers
Hannah Allen, DNP, APN, RN
Nurse Practitioner
Ramona Burgess, NP, APN, RN
Nurse Practitioner
Jeremy Guy, PA-C
Physician Assistant
Carrie Michaels, PNP, APN, RN
Nurse Practitioner
Gina Sabbatini, PA-C
Physician Assistant
Elizabeth Swift, PNP, APN, RN
Nurse Practitioner