Lindsay T. Keegan

Lindsay T. Keegan, PhD

Languages spoken: English

Academic Information

Departments Primary - Internal Medicine , Adjunct - Family & Preventive Medicine , Adjunct - Population Health Sciences

Divisions: Public Health , Epidemiology

Lab

Education History

Undergraduate University of Florida
 BS
Undergraduate University of Florida
 BS
Doctoral Training McMaster University
 PhD
Postdoctoral Fellowship Johns Hopkins Bloomberg School of Public Health
 Postdoctoral Fellow

Selected Publications

Journal Article

  1. Keegan LT*, Truelove SA*, Moss WJ, Chaisson LH, Macher E, Azman AS, Lessler (2020). Clinical and Epidemiological Aspects of Diphtheria: A Systematic Review and Pooled Analysis. Clinical infectious diseases, 71(1), 89-97.
  2. Khader K, Thomas A, Huskins WC, Stevens V, Keegan LT, Visnovsky L, Samore M (2021). Effectiveness of Contact Precautions to Prevent Transmission of Methicillin-Resistant Staphylococcus aureus and Vancomycin-Resistant Enterococci in Intensive Care Units. Clinical infectious diseases, 72(Suppl 1), S42-S49.
  3. Khader K, Munoz-Price LS, Hanson R, Stevens V, Keegan LT, Thomas A, Pezzin LE, Nattinger A, Singh S, Samore M (2021). Transmission Dynamics of Clostridioides difficile in 2 High-Acuity Hospital Units. Clinical infectious diseases, 72(Suppl 1), S1-S7.
  4. Reimer JR, Ahmed SM, Brintz B, Shah RU, Keegan LT, Ferrari MJ, Leung D (2021). Using a clinical prediction rule to prioritize diagnostic testing leads to reduced transmission and hospital burden: A modeling example of early SARS-CoV-2. Clinical infectious diseases, 73, 1822-1830.
  5. Keegan LT, Dushoff J (2014). Analytic Calculations of finite-population reproductive numbers for direct- and vector-transmitted diseases with homogeneous mixing. Bulletin of mathematical biology, 76(5), 1143-54.
  6. Khader, K, Leecaster, M, Ray, W, Haroldsen, C, Keegan, LT, Samore, MH, and Rubin, (2020). Evaluating Healthcare Worker Movements and Patient Interactions Within ICU Rooms. Infection control and hospital epidemiology, 41(S1), s222-s224.
  7. Keegan LT, Lessler J, Johansson M (2017). Quantifying Zika: Advancing the Epidemiology of Zika With Quantitative Models. The Journal of infectious diseases, 216(suppl_10), S884-S890.
  8. Keegan LT, Dushoff (2016). Estimating finite-population reproductive numbers in heterogeneous populations. Journal of theoretical biology, 397, 1-12.
  9. Borchering RK, Viboud C, Howerton E, Smith CP, Truelove S, Runge MC, Reich NG, Contamin L, Levander J, Salerno J, van Panhuis W, Kinsey M, Tallaksen K, Obrecht RF, Asher L, Costello C, Kelbaugh M, Wilson S, Shin L, Gallagher ME, Mullany LC, Rainwater-Lovett K, Lemaitre JC, Dent J, Grantz KH, Kaminsky J, Lauer SA, Lee EC, Meredith HR, Perez-Saez J, Keegan LT, Karlen D, Chinazzi M, Davis JT, Mu K, Xiong X, Pastore Y Piontti A, Vespignani A, Srivastava A, Porebski P, Venkatramanan S, Adiga A, Lewis B, Klahn B, Outten J, Schlitt J, Corbett P, Telionis PA, Wang L, Peddireddy AS, Hurt B, Chen J, Vullikanti A, Marathe M, Healy JM, Slayton RB, Biggerstaff M, Johansson MA, Shea K, Lessler (2021). Modeling of Future COVID-19 Cases, Hospitalizations, and Deaths, by Vaccination Rates and Nonpharmaceutical Intervention Scenarios - United States, April-September 2021. MMWR. Morbidity and mortality weekly report, 70(19), 719-724.
  10. Lauer SA, Sakrejda K, Ray EL, Keegan LT, Bi Q, Suangtho P, Hinjoy S, Iamsirithaworn S, Suthachana S, Laosiritaworn Y, Cummings DAT, Lessler J, Reich N (2018). Prospective forecasts of annual dengue hemorrhagic fever incidence in Thailand, 2010-2014. Proceedings of the National Academy of Sciences of the United States of America, 115(10), E2175-E2182.
  11. Ahmed SM, Shah RU, Fernandez V, Grineski S, Brintz B, Samore MH, Ferrari MJ, Leung DT, Keegan L (2021). Robust Testing in Outpatient Settings to Explore COVID-19 Epidemiology: Disparities in Race/Ethnicity and Age, Salt Lake County, Utah, 2020. Public health reports (Washington, D.C., 136(3), 345-353.
  12. Toth DJA, Keegan LT, Samore MH, Khader K, O'Hagan JJ, Yu H, Quintana A, Swerdlow D (2020). Modeling the potential impact of administering vaccines against Clostridioides difficile infection to individuals in healthcare facilities. Vaccine, 38(37), 5927-5932.
  13. Kaminsky J, Keegan LT, Metcalf CJE, Lessler (2019). Perfect counterfactuals for epidemic simulations. Philosophical transactions of the Royal Society of London. Series B, Biological sciences, 374(1776), 20180279.
  14. Meredith HR, Arehart E, Grantz KH, Beams A, Sheets T, Nelson R, Zhang Y, Vinik RG, Barfuss D, Pettit JC, McCaffrey K, Dunn AC, Good M, Frattaroli S, Samore MH, Lessler J, Lee EC, Keegan L (2021). Coordinated Strategy for a Model-Based Decision Support Tool for Coronavirus Disease, Utah, USA. Emerging infectious diseases, 27(5), 1259-1265.
  15. Keegan LT, Dushoff (2013). Population-level effects of clinical immunity to malaria. BMC infectious diseases, 13, 428.
  16. Keegan LT*, Stachel A*, Blumberg S, CDC MInD Healthcare Program (2021). Modeling transmission of pathogens in healthcare settings. Current opinion in infectious diseases, 34(4), 333-338.
  17. Lemaitre JC, Grantz KH, Kaminsky J, Meredith HR, Truelove SA, Lauer SA, Keegan LT, Shah S, Wills J, Kaminsky K, Perez-Saez J, Lessler J, Lee E (2021). A scenario modeling pipeline for COVID-19 emergency planning. Scientific reports, 11(1), 7534.
  18. Brintz BJ, Haaland B, Howard J, Chao DL, Proctor JL, Khan AI, Ahmed SM, Keegan LT, Greene T, Keita AM, Kotloff KL, Platts-Mills JA, Nelson EJ, Levine AC, Pavia AT, Leung D (2021). A modular approach to integrating multiple data sources into real-time clinical prediction for pediatric diarrhea. eLife, 10,
  19. Khader K, Thomas A, Stevens V, Visnovsky L, Nevers M, Toth D, Keegan LT, Jones M, Rubin M, Samore M (2021). Association Between Contact Precautions and Transmission of Methicillin-Resistant Staphylococcus aureus in Veterans Affairs Hospitals. JAMA network open, 4(3), e210971.
  20. Love J, Keegan LT, Angulo FJ, McLaughlin JM, Shea KM, Swerdlow DL, Samore MH, Toth DJ (2021). Continued need for non-pharmaceutical interventions after COVID-19 vaccination in long-term-care facilities. Scientific reports, 11(1), 18093.
  21. Love J, Wimmer MT, Toth DJA, Chandran A, Makhija D, Cooper CK, Samore MH, Keegan L (2021). Comparison of antigen- and RT-PCR-based testing strategies for detection of SARS-CoV-2 in two high-exposure settings. PloS one, 16(9), e0253407.
  22. Cramer EY, Ray EL, Lopez VK, Bracher J, Brennen A, Castro Rivadeneira AJ, Gerding A, Gneiting T, House KH, Huang Y, Jayawardena D, Kanji AH, Khandelwal A, Le K, Mühlemann A, Niemi J, Shah A, Stark A, Wang Y, Wattanachit N, Zorn MW, Gu Y, Jain S, Bannur N, Deva A, Kulkarni M, Merugu S, Raval A, Shingi S, Tiwari A, White J, Abernethy NF, Woody S, Dahan M, Fox S, Gaither K, Lachmann M, Meyers LA, Scott JG, Tec M, Srivastava A, George GE, Cegan JC, Dettwiller ID, England WP, Farthing MW, Hunter RH, Lafferty B, Linkov I, Mayo ML, Parno MD, Rowland MA, Trump BD, Zhang-James Y, Chen S, Faraone SV, Hess J, Morley CP, Salekin A, Wang D, Corsetti SM, Baer TM, Eisenberg MC, Falb K, Huang Y, Martin ET, McCauley E, Myers RL, Schwarz T, Sheldon D, Gibson GC, Yu R, Gao L, Ma Y, Wu D, Yan X, Jin X, Wang YX, Chen Y, Guo L, Zhao Y, Gu Q, Chen J, Wang L, Xu P, Zhang W, Zou D, Biegel H, Lega J, McConnell S, Nagraj VP, Guertin SL, Hulme-Lowe C, Turner SD, Shi Y, Ban X, Walraven R, Hong QJ, Kong S, van de Walle A, Turtle JA, Ben-Nun M, Riley S, Riley P, Koyluoglu U, DesRoches D, Forli P, Hamory B, Kyriakides C, Leis H, Milliken J, Moloney M, Morgan J, Nirgudkar N, Ozcan G, Piwonka N, Ravi M, Schrader C, Shakhnovich E, Siegel D, Spatz R, Stiefeling C, Wilkinson B, Wong A, Cavany S, España G, Moore S, Oidtman R, Perkins A, Kraus D, Kraus A, Gao Z, Bian J, Cao W, Lavista Ferres J, Li C, Liu TY, Xie X, Zhang S, Zheng S, Vespignani A, Chinazzi M, Davis JT, Mu K, Pastore Y Piontti A, Xiong X, Zheng A, Baek J, Farias V, Georgescu A, Levi R, Sinha D, Wilde J, Perakis G, Bennouna MA, Nze-Ndong D, Singhvi D, Spantidakis I, Thayaparan L, Tsiourvas A, Sarker A, Jadbabaie A, Shah D, Della Penna N, Celi LA, Sundar S, Wolfinger R, Osthus D, Castro L, Fairchild G, Michaud I, Karlen D, Kinsey M, Mullany LC, Rainwater-Lovett K, Shin L, Tallaksen K, Wilson S, Lee EC, Dent J, Grantz KH, Hill AL, Kaminsky J, Kaminsky K, Keegan LT, Lauer SA, Lemaitre JC, Lessler J, Meredith HR, Perez-Saez J, Shah S, Smith CP, Truelove SA, Wills J, Marshall M, Gardner L, Nixon K, Burant JC, Wang L, Gao L, Gu Z, Kim M, Li X, Wang G, Wang Y, Yu S, Reiner RC, Barber R, Gakidou E, Hay SI, Lim S, Murray C, Pigott D, Gurung HL, Baccam P, Stage SA, Suchoski BT, Prakash BA, Adhikari B, Cui J, Rodríguez A, Tabassum A, Xie J, Keskinocak P, Asplund J, Baxter A, Oruc BE, Serban N, Arik SO, Dusenberry M, Epshteyn A, Kanal E, Le LT, Li CL, Pfister T, Sava D, Sinha R, Tsai T, Yoder N, Yoon J, Zhang L, Abbott S, Bosse NI, Funk S, Hellewell J, Meakin SR, Sherratt K, Zhou M, Kalantari R, Yamana TK, Pei S, Shaman J, Li ML, Bertsimas D, Skali Lami O, Soni S, Tazi Bouardi H, Ayer T, Adee M, Chhatwal J, Dalgic OO, Ladd MA, Linas BP, Mueller P, Xiao J, Wang Y, Wang Q, Xie S, Zeng D, Green A, Bien J, Brooks L, Hu AJ, Jahja M, McDonald D, Narasimhan B, Politsch C, Rajanala S, Rumack A, Simon N, Tibshirani RJ, Tibshirani R, Ventura V, Wasserman L, O'Dea EB, Drake JM, Pagano R, Tran QT, Ho LST, Huynh H, Walker JW, Slayton RB, Johansson MA, Biggerstaff M, Reich N (2022). Evaluation of individual and ensemble probabilistic forecasts of COVID-19 mortality in the United States. Proceedings of the National Academy of Sciences of the United States of America, 119(15), e2113561119.
  23. Cramer EY, Huang Y, Wang Y, Ray EL, Cornell M, Bracher J, Brennen A, Rivadeneira AJC, Gerding A, House K, Jayawardena D, Kanji AH, Khandelwal A, Le K, Mody V, Mody V, Niemi J, Stark A, Shah A, Wattanchit N, Zorn MW, Reich NG, US COVID-19 Forecast Hub Consortium (2022). The United States COVID-19 Forecast Hub dataset. Scientific data, 9(1), 462.
  24. Beams A, Keegan LT, Adler FR, Samore MH, Khader K, Toth DJ (2022). Staphylococcus aureus Carrier Types are not Evidence of Population Heterogeneity. American journal of epidemiology, 192(3), 455-466.
  25. Mitchell C, Keegan LT, Le TTT, Khader K, Beams A, Samore MH, Toth DJ (2024). Importance of underlying mechanisms for interpreting relative risk of Clostridioides difficile infection among antibiotic-exposed patients in healthcare facilities. PloS one, 19(8), e0306622.
  26. Horn AC, Shoemaker HE, Keegan L (2024). The Effectiveness of Face Mask Mandates on COVID-19 Transmission in Utah. Public health reports (Washington, D.C., 333549241290676.
  27. Toth DJA, Sheets TR, Beams AB, Ahmed SM, Seegert N, Love J, Keegan LT, Samore M (2024). Model-based estimates of age-structured SARS-CoV-2 epidemiology in households. BMC public health, 24(1), 2965.
  28. O'Sullivan T, Keegan L (2025). A population-level analysis of armed conflict and diphtheria at the subnational level in the WHO African Region 2017-2024. BMC global and public health, 3(1), 40.
  29. LaPrete CR, Ahmed SM, Toth DJA, Reimer JR, Vaughn VM, Adler FR, Keegan L (2025). A Theoretical Framework to Quantify the Tradeoff Between Individual and Population Benefits of Expanded Antibiotic Use. Bulletin of mathematical biology, 87(6), 68.
  30. Keegan LT, Tanner W, Orleans B, Slayton RB, Jernigan JA, McDonald LC, Noble-Wang J, Leecaster M, Haroldsen C, Khader K, Toth DJA, O'Sullivan T, Samore MH, Brazelton W, Rubin (2025). Environmental and Health Care Personnel Sampling and Unobserved Clostridium difficile Transmission in ICU. JAMA network open, 8(4), e252787.
  31. Shoemaker H, Li H, Zhang Y, Mayer J, Rubin M, Haroldsen C, Millar MM, Gesteland PH, Pavia AT, Keegan LT, Cole JM, Dorsan E, Doane M, Stratford K, Samore (2025). Association between social activities and risk of COVID-19 in a cohort of healthcare personnel. Antimicrobial stewardship & healthcare epidemiology, 5(1), e29.

Book Chapter

  1. Keegan LT, Metcalf CJE, Zeiser LB, Lessler J (2025). Infectious diseases transmission dynamics: modeling of outbreaks and interventions. 289¿320.

Conference Proceedings

  1. Keegan LT, Keegan W, Carlson L, Altes (2009). Shell Net Weights from Florida and Puerto Rico, Proceedings of the XXIII International Congress for Caribbean Archaeology.

Editorial

  1. Buckee, C, Hedt-Gauthier, B, Mahmud, A, Martinez, P, Tedijanto, C, Murray, M, Khan, R, Menkir, T, Suliman, S, Fosdick, B, Cobey, S, Rasmussen, A, Popescu, S, Cevik, M, Dada, S, Fowkes, F, Clapham, H, Mordecai, E, Hampson, K, Majumder, M, Wesolowski, A, Kuppalli, K, Rodriguez Barraquer, I, Smith, TC, Hodcroft, E, Christofferson, RC, Cormier, SA, Gerardin, J, Cowley, L, Childs, L, Keegan, LT, Pitzer, V, Oldenburg, (2020). Women in science are battling COVID-19 and patriarchy at the same time.

Other

  1. Maloney, M, Morley, R, Checketts, R, Weir, P, Barfuss, D, Meredith, HR, Samore, MH, Keegan, L (2020). GitHub Software.
  2. Kaminsky, J, Lee, EC, kkintaro, Lemaitre, JC, Grantz, KH, Meredith, HR, Truelove, SA, Shah, S, Lauer, SA, Whol, SH, epicfarmer, Pierre-Yves, Lessler, J, Keegan LT, Landroid, Willis, (2020). GitHub Software.

Report

  1. Asher J, Barker C, Bowles L, Chen G, Chinazzi M, Cumming D, Daniel-Wayman S, Ferguson N, Fischer M, Follman D, Halloran E, Johansson M, Joshi K, Kaminsky J, Keegan L, Kugeler K, Kwan J, Lessler J, Longini I, Monaghan A, Moore S, Pastore y Piontti A, Perkins A, Prevots R, Reich N, Reiner R, Rodriguez-Barraquer I, Siraj A, Sun K, Vespignani A, Zhang (2017). Updated Results of Models to Predict Areas in the Americas with Increased Likelihood of Zika Virus Transmission in 2017.