Kelly Johnson, MD, MPH
Assistant Adjunct Professor
Medicine
School of Medicine

I am board-certified in both Internal Medicine and Infectious Diseases and attend on the inpatient Infectious Diseases consult service at UCSF. My research and public health interests include HIV/STI prevention and control, and real-world implementation of HIV PrEP.

• First Clade Ib Monkeypox Virus Infection Reported in the Americas - California, November 2024.
  MMWR. Morbidity and mortality weekly report 2025 Levy V, Branzuela A, Hsieh K, Getabecha S, Berumen R, Saadeh K, Snyder RE, Marek G, Dodson D, Newman A, Hacker JK, Kath C, Minhaj FS, Gigante CM, Gearhart S, Kallen A, Hutson CL, Jacobson K, Clade I …
• A Pair of Hearts: Two Cases of Mitral Valve Gonococcal Endocarditis.
  Sexually transmitted diseases 2024 Pearce CF, Johnson KA, Meshkaty N, Tang EC
• Sexual Exposures Associated With Mpox Infection: California, November 2022 to June 2023.
  The Journal of infectious diseases 2024 Snyder RE, Saadeh K, Tang EC, Johnson KA, Holland SN, Quint J, Burghardt NO, Chai SJ, Fernando R, Barrera KG, Hernandez C, McManus K, Lorenz K, Maycott J, McGinley J, Lewnard JA
• Understanding the Impact of Mpox on Sexual Health Clinical Services: A National Knowledge, Attitudes, and Practices Survey-United States, 2022.
  Sexually transmitted diseases 2023 Schubert SL, Miele K, Quilter LAS, Agnew-Brune C, Coor A, Kachur R, Lewis F, Ard KL, Wendel K, Anderson T, Nagendra G, Tromble E, National Network of STD Clinical Prevention Training Centers
• Treatment of Mpox with Suspected Tecovirimat Resistance in Immunocompromised Patient, United States, 2022.
  Emerging infectious diseases 2023 Contag CA, Mische L, Fong I, Karan A, Vaidya A, McCormick DW, Bower W, Hacker JK, Johnson K, SanJuan P, Crebbin L, Temmins C, Sahni H, Bogler Y, Cooper JD, Narasimhan S
• Reduced Odds of Mpox-Associated Hospitalization Among Persons Who Received JYNNEOS Vaccine - California, May 2022-May 2023.
  MMWR. Morbidity and mortality weekly report 2023 Schildhauer S, Saadeh K, Vance J, Quint J, Salih T, Lo T, Keinde A, Chojolan E, Gotlieb E, Ramos M, Chapman E, Peters P, Watson J, Johnson KA, Tang EC, Jacobson K, Snyder RE
• Comparing 7-Day Versus 6-8-Day Penicillin Treatment Intervals Among Pregnant People With Syphilis of Late or Unknown Duration: No Difference Found in Incidence of Congenital Syphilis.
  Open forum infectious diseases 2023 Johnson KA, Burghardt NO, Snyder RE, Plotzker RE, Imp BM, Murphy R, Jacobson K, Tang EC
• Testing for Mycoplasma genitalium and Using Doxycycline as First-Line Therapy at Initial Presentations for Non-Gonococcal Urethritis (NGU) Correlate With Reductions in Persistent NGU.
  Clinical infectious diseases : an official publication of the Infectious Diseases Society of America 2023 Johnson KA, Sankaran M, Kohn RP, Bacon O, Cohen SE
• Urine Tenofovir Levels Strongly Correlate With Virologic Suppression in Patients With Human Immunodeficiency Virus on Tenofovir Alafenamide-Based Antiretroviral Therapy.
  Clinical infectious diseases : an official publication of the Infectious Diseases Society of America 2023 Johnson KA, Okochi H, Arreguin M, Watabe J, Glidden DV, Chattopadhyay A, Imbert E, Hickey MD, Gandhi M, Spinelli M
• Disseminated Gonococcal Infections-Lessons Learned From an Ongoing California Public Health Investigation.
  Sexually transmitted diseases 2023 Johnson KA, Tang EC, Alvarado L, Hernandez CL, Fernando R, Burghardt NO, Snyder RE, Salas KL, Franco R, Marston M, Martinez A, Jacobson K
• Characterizing the Rise of Disseminated Gonococcal Infections in California, July 2020-July 2021.
  Clinical infectious diseases : an official publication of the Infectious Diseases Society of America 2023 Tang EC, Johnson KA, Alvarado L, Burghardt NO, Hernandez C, Lopez E, Jenkins-Barnes T, Hughes B, Salas KL, Jacobson KR
• Texting Lost-to-follow-up PrEP Patients from a San Francisco Sexual Health Clinic.
  Prevention science : the official journal of the Society for Prevention Research 2022 Johnson KA, Levy M, Brosnan H, Kohn RP, Cohen SE
• Geospatial Social Determinants of Health Correlate with Disparities in Syphilis and Congenital Syphilis Cases in California.
  Pathogens (Basel, Switzerland) 2022 Johnson KA, Snyder RE, Tang EC, de Guzman NS, Plotzker RE, Murphy R, Jacobson K
• Concurrent COVID-19 and Acute HIV: A Case Report and Diagnostic Review.
  Case reports in medicine 2021 Johnson KA, Graglia S, Lynch ED, De Mesa J, Antunez E, Torres S, Coffey S, Cohen SE
• Brief Report: No Difference in Urine Tenofovir Levels in Patients Living With HIV on Unboosted Versus Dose-Adjusted Boosted Tenofovir Alafenamide.
  Journal of acquired immune deficiency syndromes (1999) 2021 Johnson KA, Okochi H, Glidden DV, Gandhi M, Spinelli M
• Measuring the Impact of the COVID-19 Pandemic on Sexually Transmitted Diseases Public Health Surveillance and Program Operations in the State of California.
  Sexually transmitted diseases 2021 Johnson KA, Burghardt NO, Tang EC, Long P, Plotzker R, Gilson D, Murphy R, Jacobson K
• Acute HIV at the Time of Initiation of Pre-exposure or Post-exposure Prophylaxis: Impact on Drug Resistance and Clinical Outcomes.
  Journal of acquired immune deficiency syndromes (1999) 2021 Johnson KA, Chen MJ, Kohn R, Sachdev D, Bacon O, Lee S, Cohen SE
• Lower Urine Tenofovir Concentrations Among Individuals Taking Tenofovir Alafenamide Versus Tenofovir Disoproxil Fumarate: Implications for Point-of-Care Testing.
  Open forum infectious diseases 2021 Johnson KA, Niu X, Glidden DV, Castillo-Mancilla JR, Yager J, MaWhinney S, Morrow M, Okochi H, Cressey TR, Drain PK, Gandhi M, Anderson PL, Spinelli MA
• HIV Seroconversion in the Era of Pharmacologic Prevention: A Case-Control Study at a San Francisco STD Clinic.
  Journal of acquired immune deficiency syndromes (1999) 2019 Johnson KA, Hessol NA, Kohn R, Nguyen TQ, Mara ES, Hsu L, Scheer S, Cohen SE
• Clinical Features of Neutrophilic Dermatosis Variants Resembling Necrotizing Fasciitis.
  JAMA dermatology 2019 Sanchez IM, Lowenstein S, Johnson KA, Babik J, Haag C, Keller JJ, Ortega-Loayza AG, Cohen J, McCalmont TH, Demer AM, Mansh MD, Hylwa SA, Liu J, Shinkai K
• The Importance of Independent Evaluation.
  JAMA internal medicine 2017 Johnson KA, Ross JS
• Pediatric resident perceptions of public health education: learner-based insights into curriculum design and implementation.
  Academic pediatrics 2013 Johnson KA, Ferguson KP, Sriraman NK, Mukherjee P, Gowen CW
• Aligning federal efforts in emergency care: surveying the existing landscape
  Georgetown Public Policy Review 2010 Johnson KA, Handrigan MT, Roszak A
• Toward radiological preparedness.
  Disaster medicine and public health preparedness 2009 Johnson KA, Coleman N
• Annals of Emergency Medicine
  Accountability, transparency, and interoperability: developing a database of federal efforts in emergency medical care 2009 Johnson KA, Handrigan MT