John M. Townes, MD

John Townes, MD

John M. Townes, MD
Professor of Medicine, Division of Infectious Diseases, OHSU
Medical Director, Infection Prevention and Control, OHSU Healthcare


B.A. (Biology) - Brown University, 1982
M.D. - The Johns Hopkins University SOM, 1990


Medicine - Johns Hopkins Hospital, 1990-1993


Epidemic Intelligence Service, Foodborne and Diarrheal Diseases Branch, Division of Bacterial and Mycotic Diseases, National Center for Infectious Diseases, Centers for Disease Control and Prevention, Atlanta, GA 1993-1995
Clinical Infectious Disease Fellow - Vanderbilt University Medical Center, 1997-1998

Research interests

Healthcare associated infections, epidemiology of emerging infections and antimicrobial resistant pathogens.

Clinical interests

General Infectious Diseases.

Peer reviewed publications (sample)

  1. Klevens RM, Morrison MA, Nadle J, Petit S, Gershman K, Ray SM, Harrison LH, Lynfield R, Dumyati G, Townes JM, Craig AS, Zell ER, Fosheim GE, McDougal LK, Carey RB, Fridkin SK;Active Bacterial Core surveillance (ABCs) MRSA Investigators.  Invasive methicillin-resistant Staphylococcus aureus infections in the United States. JAMA. 2007;298 (15): 1763-71. PMID: 17940231.
  2. Townes JM, Deodhar DA, Swanson E, Smith K;Krug HE, Barkhuizen A, Thompson ME, Cieslak PR, Sobel J. Reactive arthritis following culture-confirmed infections with bacterial enteric pathogens in Minnesota and Oregon: A population-based study. Annals of Rheumatic Diseases. 2008;67 (12):1689-96. doi: 10.1136/ard.2007.083451. PMID: 18272671.
  3. Limbago B, Fosheim GE, Schoonover V, Crane CE, Nadle J, Petit S, Heltzel D, Ray SM, Harrison LH, Lynfield R, Dumyati G, Townes JM, Schaffner W, Mu Y, Fridkin SK;Active Bacterial Core surveillance MRSA Investigators. Characterization of methicillin-resistant Staphylococcus aureus isolates collected in 2005 and 2006 from patients with invasive disease: a population-based analysis. Journal of Clinical Microbiology. 2009;47(5):1344-51. doi: 10.1128/JCM.02264-08. PMID: 19321725.
  4. Townes, JM. Reactive arthritis after enteric infections in the United States: The problem of definition. Clinical Infectious Diseases. 2010;50(2):247-54. doi: 10.1001/jama.2010.1115. PMID: 20025528.
  5. Kallen A, Ray SM, Bulens, SN, Reingold A, Petit S, Gershman K, Harrison L, Lynfield,  Dumyati G, Townes JM, Schaffner W, Fridkin S. Healthcare-associated invasive MRSA Infections, 2005-2008. JAMA. 2010;304(6):641-8. doi: 10.1001/jama.2010.1115.PMID: 20699455.
  6. O'Neal S, Noh J, Wilkins P, Keene W, Lambert W, Anderson J, Luman JC, Townes J. Taenia solium tapeworm infection, Oregon 2006-2009. Emerging Infectious Diseases 2011;17 (6):1030-36. PMID: 21749764.
  7. O'Neal SE, Townes JM, Wilkins PP, Noh JC, Lee D, Rodriguez S, Garcia HH, Stauffer WM. Seroprevalence of antibodies against Taenia solium cysticerci among refugees resettled in United States. Emerging Infectious Diseases. 2012;18(3):431-8. doi: 10.3201/eid1803.111367. PMID: 22377408.
  8. O'Neal SE, Robbins NM, Townes JM. Neurocysticercosis among resettled refugees from Burma. Journal of Travel Medicine. 2012;19(2):118-21. doi: 10.1111/j.1708-8305.2011.00588.x. PMID: 22414037.
  9. Sharff KA, Richards EP, Townes JM. Clinical Management of Septic Arthritis. Current Rheumatology Reports. 2013;15 (6):332.  doi: 10.1007/s11926-013-0332-4. PMID: 23591823.
  10. Dantes R, Mu Y, Belflower R, Aragon D, Dumyati G, Harrison LH, Lessa FC, Lynfield R, Nadle J, Petit S, Ray SM, Schaffner W, Townes J, Fridkin S;Emerging Infections Program–Active Bacterial Core Surveillance MRSA Surveillance Investigators. National burden of invasive methicillin-resistant Staphylococcus aureus infections, United States, 2011. JAMA Internal Medicine. 2013;173(21):1970-79. doi: 10.1001/jamainternmed.2013.10423. PMID: 24043270.
  11. Pfeiffer CD, Cunningham MC, Poissant T, Furuno JP, Townes JM, Leitz A, Thomas A, Buser GL, Arao RF, Beldavs ZG. Establishment of a Statewide Network to for Carbapenem-resistant Enterobacteriaceae Prevention in a Low Incidence Region. Infection Control and Hospital Epidemiology. 2014;35(4):356-61. doi: 10.1086/675605. PMID: 24602939.
  12. Hakki M, Strasfeld LM, Townes JM. Predictive value of nasopharyngeal sample respiratory virus testing in the setting of lower respiratory tract disease. Journal of Clinical Microbiology. 2014;52 (11): 4020-2. doi: 10.1128/JCM.01944-14. PMID: 25122864.
  13. Nguyen DB, See I, Gualandi N, Shugart A, Lines C, Bamberg W, Dumyati G, Harrison LH, Lesher L, Nadle J, Petit S, Ray SM, Schaffner W, Townes J, Njord L, Sievert D, Thompson ND, Patel PR. Completeness of Methicillin-Resistant Staphylococcus aureus Bloodstream Infection Reporting from Outpatient Hemodialysis Facilities to the National Healthcare Safety Network, 2013. Infection Control and Hospital Epidemiology. 2016;37(2):205-7. doi: 10.1017/ice.2015.265. PMID: 26554448.
  14. Flecker RH, O'Neal SE, Townes JM. Evaluating Healthcare Claims for Neurocysticercosis by Using All-Payer All-Claims Data, Oregon, 2010-2013. Emerging Infectious Diseases. 2016;22(12):2168-2170. doi: 10.3201/eid2212.160370. PMID: 27869593.
  15. Nicole Gualandi, Yi Mu, Wendy M Bamberg, Ghinwa Dumyati, Lee H Harrison, Lindsey Lesher, Joelle Nadle, Sue Petit, Susan M Ray, William Schaffner, John Townes, Mariana McDonald, Isaac See;Racial Disparities in Invasive Methicillin-Resistant Staphylococcus aureus Infections, 2005-2014. Clinical Infectious Diseases. 2018 Apr 5. doi: 10.1093/cid/ciy277.
  16. Elman MR, Williams CD, Bearden DT, Townes JM, Heintzman JD, Lapidus JA, Kullar R, Markwardt S, Trieu AT, Vahidi AA, McGregor JC. Healthcare-associated urinary tract infections with onset post hospital discharge. Infect Control Hosp Epidemiol. 2019 Aug;40(8):863-871. doi: 10.1017/ice.2019.148. Epub 2019 Jun 20. PMID: 31217038

  17. Jackson KA, Bohm MK, Brooks JT, Asher A, Nadle J, Bamberg WM, Petit S, Ray SM, Harrison LH, Lynfield R, Dumyati G, Schaffner W, Townes JM, See I. Invasive Methicillin-Resistant Staphylococcus aureus Infections Among Persons Who Inject Drugs - Six Sites, 2005-2016. MMWR Morb Mortal Wkly Rep. 2018 Jun 8;67(22):625-628. doi: 10.15585/mmwr.mm6722a2. PMID: 29879096