Stephanie A. Fritz, M.D., M.S.C.I.

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Associate Professor of Pediatrics, Infectious Diseases
Infectious Diseases

phone: (314) 454-6050

Clinical Interests

Dr. Fritz's research interests are in the epidemiology, treatment, and prevention of pediatric methicillin-resistant Staphylococcus aureus infections.


  • BS, University of Wisconsin1997
  • MD, Medical College of Wisconsin2001
  • MSCI, Washington University School of Medicine2008


  • Intern/Resident in Pediatrics, Children's Hospital of Wisconsin2001 - 2004
  • Fellow, Pediatric Infectious Diseases, Washington University 2004 - 2007

Licensure and Board Certification

  • 2003 - PresWI, Physician and Surgeon
  • 2004 - PresMO, Physician and Surgeon
  • 2004 - 2024American Board of Pediatrics (ABP)
  • 2007 - 2017ABP Sub-board of Pediatric Infectious Diseases

Honors and Awards

  • Phi Eta Sigma Honor Society1994 - 1997
  • Elmbrook Memorial Hospital John O. Grade, M.D. Scholarship1997
  • University of Wisconsin-Madison: Graduated with Distinction1997
  • Watertown Memorial Hospital Cynthia Kolasinski Scholarship1999 - 2000
  • Wisconsin State Medical Society Foundation Scholarship2000
  • Scholar, Mentored Training Program in Clinical Investigation, Washington University School of Medicine, St. Louis, MO2005 - 2008
  • National Institutes of Health Loan Repayment Program Award2006 - 2009
  • Infectious Diseases Society of America/ National Foundation for Infectious Diseases Pfizer Fellowship in Clinical Diseases Award2007
  • Faculty Scholar Award, Children’s Discovery Institute of Washington University and St. Louis Children’s Hospital2012
  • Young Investigator Award, Pediatric Infectious Diseases Society2012
  • Featured Member, Society for Pediatric Research2014
  • Resident/Fellow Alumni Achievement Award, Washington University Medical Center Alumni Association2018
  • Mentor of the Year, Clinical Research Training Center, Washington University Institute of Clinical and Translational Sciences2021 - Pres

Recent Publications view all (43)

  1. Staphylococcus aureus antibiotic susceptibility patterns in pediatric atopic dermatitis. Pediatr Dermaol. 2019. 
  2. Interplay of personal, pet, and environmental colonization in households affected by community-associated methicillin-resistant Staphylococcus aureus. Journal of Infection. 2019;78(3):200-207. doi:10.1016/j.jinf.2018.11.006  PMCID: PMC6408279  PMID:30503843 
  3. Emergency department environmental contamination with methicillin-resistant Staphylococcus aureus following care of colonized patients Ann Emerg Med. 2019. doi:10.1016/j.annemergmed.2018.12.014  PMID:30732980 
  4. Carriage of the Toxic Shock Syndrome Toxin Gene by Contemporary Community-Associated Staphylococcus aureus Isolates. J Pediatric Infect Dis Soc.. 2018. doi:10.1093/jpids/piy098  PMID:30285124 
  5. Spatial relationships among public places frequented by families plagued by methicillin-resistant Staphylococcus aureus. BMC Res Notes. 2018;11(1):692. doi:10.1186/s13104-018-3797-4  PMCID:PMC6167789   PMID:30285824 
  6. Comparing the yield of Staphylococcus aureus recovery with static versus agitated broth incubation Journal of Pathogens. 2018;Article ID 1462671. doi:10.1155/2018/1462671  PMCID:PMC6083490  PMID:30147954 
  7. Comprehensive modeling reveals proximity, seasonality, and hygiene practices as key determinants of MRSA colonization in exposed households Pediatr Res. 2018. PMCID:PMC6294678   PMID:30135590 
  8. Methicillin-resistant Staphylococcus aureus: Its effects are more than skin deep J Pediatr. 2018;199:158-165. doi:10.1016/j.jpeds.2018.04.002  PMCID: PMC6063792  PMID:29759849 
  9. Impact of systemic antibiotics on Staphylococcus aureus colonization and recurrent skin infection Clin Infect Dis. 2017. doi:10.1093/cid/cix754  PMCID:PMC5850557  PMID:29020285 
  10. A placebo-controlled trial of antibiotics for smaller skin abscesses. New Engl J Med . 2017;376:2545-2555. PMID:28657870 
  11. Colonization with 19F and other pneumococcal conjugate vaccine serotypes in children in St. Louis, Missouri, USA. Vaccine. 2017;35(34):4389-4395. PMID:28687405 
  12. Topical Decolonization Does Not Eradicate the Skin Microbiota of Community-Dwelling or Hospitalized Adults. Antimicrob Agents Chemother. 2016;60(12):7303-7312. PMCID:PMC5119011  PMID:27671074 
  13. Diversity of Staphylococcus aureus strains colonizing various niches of the human body. J Infect 2016. 2016;72:698-705. PMID:27045982 
  14. Emergence of community-associated methicillin-resistant Staphylococcus aureus strains in the neonatal intensive care unit: an infection prevention and patient safety challenge. Clin Microbiol Infect . 2016;22:645.e1-645.e8. PMCID:PMC4987169  PMID:27126609 
  15. Antimicrobial Susceptibility Profiles of Staphylococcus aureus Isolates Recovered from Humans, Environmental Surfaces, and Companion Animals in Households of Children with Community-Onset Methicillin-Resistant S. aureus Infections. Antimicrob Agents Chemother. 2015;59(10):6634-7. doi:10.1128/AAC.01492-15  PMCID:PMC4576049  PMID:26248385 
  16. Discriminatory Indices of Typing Methods for Epidemiologic Analysis of Contemporary Staphylococcus aureus Strains. Medicine (Baltimore). 2015;94(37):e1534. doi:10.1097/MD.0000000000001534  PMCID:PMC4635816  PMID:26376402 
  17. Prevention of Recurrent Staphylococcal Skin Infections. Infect Dis Clin North Am. 2015;29(3):429-64. doi:10.1016/j.idc.2015.05.007  PMCID:PMC4552962  PMID:26311356 
  18. Vitamin D sufficiency and Staphylococcus aureus infection in children. Pediatr Infect Dis J. 2015;34(5):544-5. doi:10.1097/INF.0000000000000667  PMCID:PMC4400212  PMID:25860535 
  19. Evaluation of Environmental Sampling Methods for Detection of Staphylococcus aureus on Fomites. Ann Public Health Res. 2015;2(1). PMCID:PMC4399720  PMID:25893222 
  20. Phenotypic variation is almost entirely independent of the host-pathogen relationship in clinical isolates of S. aureus. PLoS ONE. 2015;10(6):e0129670. 
  21. Contamination of environmental surfaces with Staphylococcus aureus in households with children infected with methicillin-resistant S aureus. JAMA Pediatr. 2014;168(11):1030-8. doi:10.1001/jamapediatrics.2014.1218  PMCID:PMC4219733  PMID:25200331 
  22. Molecular Epidemiology of Recurrent Cutaneous Methicillin-Resistant Staphylococcus aureus Infections in Children. J Pediatric Infect Dis Soc. 2014;3(3):261-264. doi:10.1093/jpids/pit046  PMCID:PMC4381745  PMID:25844165 
  23. Fecal carriage of methicillin-resistant Staphylococcus aureus and vancomycin-resistant Enterococcus in healthy children. Antimicrob Agents Chemother. 2014;58(2):1261-2. doi:10.1128/AAC.02466-13  PMCID:PMC3910844  PMID:24277049 
  24. Molecular epidemiology of Staphylococcus aureus in households of children with community-associated S aureus skin and soft tissue infections. J Pediatr. 2014;164(1):105-11. doi:10.1016/j.jpeds.2013.08.072  PMCID:PMC3921902  PMID:24128648 
  25. Molecular epidemiology of methicillin-resistant Staphylococcus aureus isolated in serial cultures from the respiratory tract of children with cystic fibrosis. Pediatr Infect Dis J. 2013. doi:10.1097/INF.0000000000000204  PMID:24220228 
  26. A serologic correlate of protective immunity against community-onset Staphylococcus aureus infection. Clin Infect Dis. 2013;56(11):1554-61. doi:10.1093/cid/cit123  PMCID:PMC3641868  PMID:23446627 
  27. Measurement and Impact of Staphylococcus aureus Colonization Pressure in Households. J Pediatric Infect Dis Soc. 2013;2(2):147-154. doi:10.1093/jpids/pit002  PMCID:PMC3665327  PMID:23717786 
  28. Mupirocin and chlorhexidine resistance in Staphylococcus aureus in patients with community-onset skin and soft tissue infections. Antimicrob Agents Chemother. 2013;57(1):559-68. doi:10.1128/AAC.01633-12  PMCID:PMC3535967  PMID:23147738 
  29. Presence of the bla(Z) beta-lactamase gene in isolates of Staphylococcus aureus that appear penicillin susceptible by conventional phenotypic methods. Diagn Microbiol Infect Dis. 2012;74(4):388-93. doi:10.1016/j.diagmicrobio.2012.07.013  PMID:22959917 
  30. Practices and procedures to prevent the transmission of skin and soft tissue infections in high school athletes. J Sch Nurs. 2012;28(5):389-96. doi:10.1177/1059840512442899  PMID:22472636 
  31. Staphylococcus aureus colonization in children with community-associated Staphylococcus aureus skin infections and their household contacts. Arch Pediatr Adolesc Med. 2012;166(6):551-7. doi:10.1001/archpediatrics.2011.900  PMCID:PMC3596005  PMID:22665030 
  32. Household versus individual approaches to eradication of community-associated Staphylococcus aureus in children: a randomized trial. Clin Infect Dis. 2012;54(6):743-51. doi:10.1093/cid/cir919  PMCID:PMC3284213  PMID:22198793 
  33. Reply to Herigon and Newland: the role of intention-to-treat analyses in randomized trials Infect Control Hosp Epidemiol . 2012;33(208):210. 
  34. Effectiveness of measures to eradicate Staphylococcus aureus carriage in patients with community-associated skin and soft-tissue infections: a randomized trial. Infect Control Hosp Epidemiol. 2011;32(9):872-80. doi:10.1086/661285  PMCID:PMC3528015  PMID:21828967 
  35. The natural history of contemporary Staphylococcus aureus nasal colonization in community children. Pediatr Infect Dis J. 2011;30(4):349-51. doi:10.1097/INF.0b013e3181fe075e  PMCID:PMC3077955  PMID:21412205 
  36. Skin infection in children colonized with community-associated methicillin-resistant Staphylococcus aureus. J Infect. 2009;59(6):394-401. doi:10.1016/j.jinf.2009.09.001  PMCID:PMC2788074  PMID:19747505 
  37. contribution of genetically restricted, methicillin-susceptible strains to the ongoing epidemic of community-acquired Staphylococcus aureus infections. Clin Infect Dis. 2009;49(4):536-42. doi:10.1086/600881  PMCID:PMC2965061  PMID:19589082 
  38. Group B Streptococcus vertebral osteomyelitis-discitis in an immunocompetent adolescent. Pediatr Infect Dis J. 2009;28(6):552-3. doi:10.1097/INF.0b013e3181a4ce6e  PMID:19483527 
  39. Virulence gene expression in human community-acquired Staphylococcus aureus infection. J Infect Dis. 2009;199(3):294-301. doi:10.1086/595982  PMCID:PMC2843142  PMID:19115951 
  40. Prevalence of and risk factors for community-acquired methicillin-resistant and methicillin-sensitive staphylococcus aureus colonization in children seen in a practice-based research network. Pediatrics. 2008;121(6):1090-8. doi:10.1542/peds.2007-2104  PMID:18519477 
  41. Antibiotic resistance patterns in children hospitalized for urinary tract infections. Arch Pediatr Adolesc Med. 2005;159(10):924-8. doi:10.1001/archpedi.159.10.924  PMID:16203936 
  42. Gradenigo syndrome: a rare but serious complication of otitis media. Pediatr Emerg Care. 2005;21(6):384-6. PMID:15942518 
  43. Filling the cavities between children and oral health. WMJ. 2004;103(5):74-8, 83. PMID:15553570 
Last updated: 09/29/2021
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