Forest W. Arnold, D.O., M.Sc., FIDSA

Forest Arnold, D.O.

Forest W. Arnold, D.O., M.Sc., FIDSA

UofL Physicians Outpatient Center
401 East Chestnut Street, Ste. 310
Louisville, KY 40202

502-852-3836 - Academic Office
502-588-4600- Patient Appointments


Clinical Expertise
Infectious Diseases


Board Certifications

  • American Board of Internal Medicine -
    Infectious Diseases

Education and Training

  • Medical School: West Virginia School of Osteopathic Medicine
  • Internship: West Virginia University
  • Residency: University of Tennessee Medical Center
  • Fellowship: University of Louisville
  • M.Sc.: University of Louisville

Featured Publications

  • Arnold FW, Fuqua JL. Viral respiratory infections: a cause of community-acquired pneumonia or a predisposing factor? Curr Opin Pulm Med. 2020 Feb 13. doi: 10.1097/MCP.0000000000000666. [Epub ahead of print] PubMed PMID: 32068577.
  • Arnold FW, Reyes Vega AM, Salunkhe V, Furmanek S, Furman C, Morton L, Faul A, Yankeelov P, Ramirez JA. Older Adults Hospitalized for Pneumonia in the United States: Incidence, Epidemiology, and Outcomes. J Am Geriatr Soc. 2020 Jan 9. doi: 10.1111/jgs.16327. [Epub ahead of print] PubMed PMID: 31916246.
  • Peyrani P, Arnold FW, Bordon J, Furmanek S, Luna CM, Cavallazzi R, Ramirez J. Incidence and Mortality of Adults Hospitalized With Community-Acquired Pneumonia According to Clinical Course. Chest. 2020 Jan;157(1):34-41. doi: 10.1016/j.chest.2019.09.022. Epub 2019 Oct 11. PubMed PMID: 31610158.
  • Arnold FW, Bishop S, Johnson D, Scott L, Heishman C, Oppy L, Ball T, Sharma M, Angeli C, Ferreira C, Chen Y, Harkema S, Boakye M. Root cause analysis of epidural spinal cord stimulator implant infections with resolution after implementation of an improved protocol for surgical placement. J Infect Prev. 2019 Jul;20(4):185-190. doi: 10.1177/1757177419844323. Epub 2019 May 2. PubMed PMID: 31428199; PubMed Central PMCID: PMC6683604.
  • Arnold FW, Beavin LA. Increased Methicillin-Resistant Staphylococcus aureus Septicemia and Illicit Intravenous Drug Use in the South. Clin Infect Dis. 2018 Jul 2;67(2):319-320. doi: 10.1093/cid/ciy116. PubMed PMID: 29462274.
  • Arnold FW, Lopardo G, Wiemken TL, Kelley R, Peyrani P, Mattingly WA, Feldman C, Gnoni M, Maurici R, Ramirez JA; Community-Acquired Pneumonia Organization (CAPO). Macrolide therapy is associated with lower mortality in community-acquired bacteraemic pneumonia. Respir Med. 2018 Jul;140:115-121. doi: 10.1016/j.rmed.2018.05.020. Epub 2018 Jun 5. PubMed PMID: 29957272.
  • Wiemken TL, Furmanek SP, Mattingly WA, Wright MO, Persaud AK, Guinn BE, Carrico RM, Arnold FW, Ramirez JA. Methods for computational disease surveillance in infection prevention and control: Statistical process control versus Twitter's anomaly and breakout detection algorithms. Am J Infect Control. 2018 Feb;46(2):124-132. doi: 10.1016/j.ajic.2017.08.005. Epub 2017 Sep 12. PubMed PMID: 28916373.
  • Peyrani P, Wiemken TL, Metersky ML, Arnold FW, Mattingly WA, Feldman C, Cavallazzi R, Fernandez-Botran R, Bordon J, Ramirez JA. The order of administration of macrolides and beta-lactams may impact the outcomes of hospitalized patients with community-acquired pneumonia: results from the community-acquired pneumonia organization. Infect Dis (Lond). 2018 Jan;50(1):13-20. doi: 10.1080/23744235.2017.1350881. Epub 2017 Jul 12. PubMed PMID: 28699429.
  • Ramirez JA, Wiemken TL, Peyrani P, Arnold FW, Kelley R, Mattingly WA, Nakamatsu R, Pena S, Guinn BE, Furmanek SP, Persaud AK, Raghuram A, Fernandez F, Beavin L, Bosson R, Fernandez-Botran R, Cavallazzi R, Bordon J, Valdivieso C, Schulte J, Carrico RM; University of Louisville Pneumonia Study Group. Adults Hospitalized With Pneumonia in the United States: Incidence, Epidemiology, and Mortality. Clin Infect Dis. 2017 Nov 13;65(11):1806-1812. doi: 10.1093/cid/cix647. PubMed PMID: 29020164.
  • Aljuboori Z, Hruska R, Yaseen A, Arnold F, Wojda B, Nauta H. Fungal brain abscess caused by "Black Mold" (Cladophialophora bantiana) - A case report of successful treatment with an emphasis on how fungal brain abscess may be different from bacterial brain abscess. Surg Neurol Int. 2017 Apr 5;8:46. doi: 10.4103/sni.sni_448_16. eCollection 2017. PubMed PMID: 28480108; PubMed Central PMCID: PMC5402337.