Close
Travis Porco

Professor

Education

Affiliations

Projects

Papers

Ackley SF, Pilewski S, Petrovic VS, Worden L, Murray E, Porco TC. (2020). Assessing the utility of a smart thermometer and mobile application as a surveillance tool for influenza and influenza-like illness. Health informatics journal

Godwin W, Prada JM, Emerson P, Hooper PJ, Bakhtiari A, Deiner M, Porco TC, Mahmud H, Landskroner E, Hollingsworth TD, Medley GF, Pinsent A, Bailey R, Lietman TM, Oldenburg CE. (2020). Trachoma Prevalence After Discontinuation of Mass Azithromycin Distribution. The Journal of infectious diseases

Keenan JD, Arzika AM, Maliki R, Elh Adamou S, Ibrahim F, Kiemago M, Galo NF, Lebas E, Cook C, Vanderschelden B, Bailey RL, West SK, Porco TC, Lietman TM,. (2020). Cause-specific mortality of children younger than 5 years in communities receiving biannual mass azithromycin treatment in Niger: verbal autopsy results from a cluster-randomised controlled trial. The Lancet. Global health, 8(2)

Porco TC, Hart J, Arzika AM, Weaver J, Kalua K, Mrango Z, Cotter SY, Stoller NE, O'Brien KS, Fry DM, Vanderschelden B, Oldenburg CE, West SK, Bailey RL, Keenan JD, Lietman TM, . (2019). Mass Oral Azithromycin for Childhood Mortality: Timing of Death After Distribution in the MORDOR Trial. Clinical infectious diseases : an official publication of the Infectious Diseases Society of America, 68(12)

Kim MC, Okada K, Ryner AM, Amza A, Tadesse Z, Cotter SY, Gaynor BD, Keenan JD, Lietman TM, Porco TC. (2019). Sensitivity and specificity of computer vision classification of eyelid photographs for programmatic trachoma assessment. PLoS One, 14(2)

Kelly JD, Worden L, Wannier SR, Hoff NA, Mukadi P, Sinai C, Ackley S, Chen X, Gao D, Selo B, Mossoko M, Okitolonda-Wemakoy E, Richardson ET, Rutherford GW, Lietman TM, Muyembe-Tamfum JJ, Rimoin AW, Porco TC. (2019). Projections of Ebola outbreak size and duration with and without vaccine use in Équateur, Democratic Republic of Congo, as of May 27, 2018. PLoS One, 14(3)

Porco TC, Oldenburg CE, Arzika AM, Kalua K, Mrango Z, Cook C, Lebas E, Bailey RL, West SK, Oron AP, Keenan JD, Lietman TM, For The Mordor Study Group. (2019). Efficacy of Mass Azithromycin Distribution for Reducing Childhood Mortality Across Geographic Regions. The American journal of tropical medicine and hygiene

Ackley SF, Liu F, Porco TC, Pepperell CS. (2019). Modeling historical tuberculosis epidemics among Canadian First Nations: effects of malnutrition and genetic variation. PeerJ, 3(1)

Deiner MS, McLeod SD, Wong J, Chodosh J, Lietman TM, Porco TC. (2019). Google Searches and Detection of Conjunctivitis Epidemics Worldwide. Ophthalmology, 126(9)

Deiner MS, Fathy C, Kim J, Niemeyer K, Ramirez D, Ackley SF, Liu F, Lietman TM, Porco TC. (2019). Facebook and Twitter vaccine sentiment in response to measles outbreaks. Health informatics journal, 25(3)

Grantz KH, Chabaari W, Samuel RK, Gershom B, Blum L, Worden L, Ackley S, Liu F, Lietman TM, Galvani AP, Prajna L, Porco TC. (2018). Spatial distribution of leprosy in India: an ecological study. Infectious diseases of poverty, 7(1)

Ackley SF, Hacker JK, Enanoria WTA, Worden L, Blumberg S, Porco TC, Zipprich J. (2018). Genotype-Specific Measles Transmissibility: A Branching Process Analysis. Clinical infectious diseases : an official publication of the Infectious Diseases Society of America, 66(8)

Lietman TM, Worden L, Liu F, Porco TC. (2018). The distribution of district-level leprosy incidence in India is geometric-stable, consistent with subcriticality. Epidemics, (24)

Lietman TM, Pinsent A, Liu F, Deiner M, Hollingsworth TD, Porco TC. (2018). Models of Trachoma Transmission and Their Policy Implications: From Control to Elimination. Clinical infectious diseases : an official publication of the Infectious Diseases Society of America, 66(suppl_4)

Lietman TM, Deiner MS, Oldenburg CE, Nash SD, Keenan JD, Porco TC. (2018). Identifying a sufficient core group for trachoma transmission. PLoS neglected tropical diseases, 12(10)

Deiner MS, McLeod SD, Chodosh J, Oldenburg CE, Fathy CA, Lietman TM, Porco TC. (2018). Clinical Age-Specific Seasonal Conjunctivitis Patterns and Their Online Detection in Twitter, Blog, Forum, and Comment Social Media Posts. Investigative ophthalmology & visual science, 59(2)

Porco TC, Lietman TM. (2018). A Fragility Index: Handle with Care. Ophthalmology, 125(5)

Worden L, Schwartz IB, Bianco S, Ackley SF, Lietman TM, Porco TC. (2017). Hamiltonian Analysis of Subcritical Stochastic Epidemic Dynamics. Computational and mathematical methods in medicine, (2017)

Deiner MS, Worden L, Rittel A, Ackley SF, Liu F, Blum L, Scott JC, Lietman TM, Porco TC. (2017). Short-term leprosy forecasting from an expert opinion survey. PLoS One, 12(8)

Worden L, Porco TC. (2017). Products of Compartmental Models in Epidemiology. Computational and mathematical methods in medicine, (2017)

Chen YH, McFarland W, Raymond HF, Scott HM, Vittinghoff E, Porco TC. (2017). Distribution of Behavioral Patterns Before Infection Among San Francisco Men Who Have Sex With Men Newly Infected With HIV in 2014. Journal of acquired immune deficiency syndromes (1999), 75(5)

Deiner MS, Worden L, Rittel A, Ackley SF, Liu F, Blum L, Scott JC, Lietman TM, Porco TC. (2017). Correction: Short-term leprosy forecasting from an expert opinion survey. PLoS One, 12(12)

Deiner MS, Lietman TM, Porco TC. (2017). Uncertainties in Big Data When Using Internet Surveillance Tools and Social Media for Determining Patterns in Disease Incidence-Reply. JAMA ophthalmology, 135(4)

Gao D, Lietman TM, Dong CP, Porco TC. (2017). Mass drug administration: the importance of synchrony. Mathematical medicine and biology : a journal of the IMA, 34(2)

Khurana RN, Chang LK, Porco TC. (2017). Incidence of Presumed Silicone Oil Droplets in the Vitreous Cavity After Intravitreal Bevacizumab Injection With Insulin Syringes. JAMA ophthalmology, 135(7)

Enanoria WT, Liu F, Zipprich J, Harriman K, Ackley S, Blumberg S, Worden L, Porco TC. (2016). The Effect of Contact Investigations and Public Health Interventions in the Control and Prevention of Measles Transmission: A Simulation Study. PLoS One, 11(12)

Enanoria WT, Worden L, Liu F, Gao D, Ackley S, Scott J, Deiner M, Mwebaze E, Ip W, Lietman TM, Porco TC. (2016). Correction: Evaluating Subcriticality during the Ebola Epidemic in West Africa. PLoS One, 11(6)

Porco TC, Keenan JD, Enanoria WT, Lietman TM. (2016). The permuted locus trial--Well suited for emerging pathogens?. Contemporary clinical trials, (47)

Deiner MS, Lietman TM, McLeod SD, Chodosh J, Porco TC. (2016). Surveillance Tools Emerging From Search Engines and Social Media Data for Determining Eye Disease Patterns. JAMA ophthalmology, 134(9)

Brook CE, Beauclair R, Ngwenya O, Worden L, Ndeffo-Mbah M, Lietman TM, Satpathy SK, Galvani AP, Porco TC. (2015). Spatial heterogeneity in projected leprosy trends in India. Parasites & vectors, (8)

Enanoria WT, Worden L, Liu F, Gao D, Ackley S, Scott J, Deiner M, Mwebaze E, Ip W, Lietman TM, Porco TC. (2015). Evaluating Subcriticality during the Ebola Epidemic in West Africa. PLoS One, 10(10)

Blumberg S, Worden L, Enanoria W, Ackley S, Deiner M, Liu F, Gao D, Lietman T, Porco T. (2015). Assessing Measles Transmission in the United States Following a Large Outbreak in California. PLoS currents, (7)

Blumberg S, Enanoria WT, Porco TC. (2015). Vaccination Compliance and the US Measles Epidemic. JAMA pediatrics, 169(9)

Liu F, Enanoria WT, Zipprich J, Blumberg S, Harriman K, Ackley SF, Wheaton WD, Allpress JL, Porco TC. (2015). The role of vaccination coverage, individual behaviors, and the public health response in the control of measles epidemics: an agent-based simulation for California. BMC Public Health, (15)

Lietman TM, Gebre T, Abdou A, Alemayehu W, Emerson P, Blumberg S, Keenan JD, Porco TC. (2015). The distribution of the prevalence of ocular chlamydial infection in communities where trachoma is disappearing. Epidemics, (11)

Bellan SE, Pulliam JR, Pearson CA, Champredon D, Fox SJ, Skrip L, Galvani AP, Gambhir M, Lopman BA, Porco TC, Meyers LA, Dushoff J. (2015). Statistical power and validity of Ebola vaccine trials in Sierra Leone: a simulation study of trial design and analysis. The Lancet. Infectious diseases, 15(6)

Porco TC, Stoller NE, Keenan JD, Bailey RL, Lietman TM. (2015). Public key cryptography for quality assurance in randomization for clinical trials. Contemporary clinical trials, (42)

Khurana RN, Porco TC. (2015). EFFICACY AND SAFETY OF DEXAMETHASONE INTRAVITREAL IMPLANT FOR PERSISTENT UVEITIC CYSTOID MACULAR EDEMA. Retina (Philadelphia, Pa.), 35(8)

Gao D, Lietman TM, Porco TC. (2015). Antibiotic resistance as collateral damage: the tragedy of the commons in a two-disease setting. Mathematical biosciences, (263)

Halloran ME, Vespignani A, Bharti N, Feldstein LR, Alexander KA, Ferrari M, Shaman J, Drake JM, Porco T, Eisenberg JN, Del Valle SY, Lofgren E, Scarpino SV, Eisenberg MC, Gao D, Hyman JM, Eubank S, Longini IM Jr.. (2014). Ebola: mobility data. Science (New York, N.Y.), 346(6208)

Lofgren ET, Halloran ME, Rivers CM, Drake JM, Porco TC, Lewis B, Yang W, Vespignani A, Shaman J, Eisenberg JN, Eisenberg MC, Marathe M, Scarpino SV, Alexander KA, Meza R, Ferrari MJ, Hyman JM, Meyers LA, Eubank S. (2014). Opinion: Mathematical models: a key tool for outbreak response. Proceedings of the National Academy of Sciences of the United States of America, 111(51)

McNamara NA, Gallup M, Porco TC. (2014). Establishing PAX6 as a biomarker to detect early loss of ocular phenotype in human patients with Sjögren's syndrome. Investigative ophthalmology & visual science, 55(11)

Sippl-Swezey N, Enanoria WT, Porco TC. (2014). Conflicts of interest during contact investigations: a game-theoretic analysis. Computational and mathematical methods in medicine, (2014)

Liu F, Enanoria WT, Ray KJ, Coffee MP, Gordon A, Aragón TJ, Yu G, Cowling BJ, Porco TC. (2014). Effect of the one-child policy on influenza transmission in China: a stochastic transmission model. PLoS One, 9(2)

Gao D, Amza A, Nassirou B, Kadri B, Sippl-Swezey N, Liu F, Ackley SF, Lietman TM, Porco TC. (2014). Optimal seasonal timing of oral azithromycin for malaria. The American journal of tropical medicine and hygiene, 91(5)

Blumberg S, Enanoria WT, Lloyd-Smith JO, Lietman TM, Porco TC. (2014). Identifying postelimination trends for the introduction and transmissibility of measles in the United States. American journal of epidemiology, 179(11)

Ray KJ, Zhou Z, Cevallos V, Chin S, Enanoria W, Lui F, Lietman TM, Porco TC. (2014). Estimating community prevalence of ocular Chlamydia trachomatis infection using pooled polymerase chain reaction testing. Ophthalmic epidemiology, 21(2)

Stewart JM, Estrada MM, Porco TC. (2013). Incidence of unplanned return to the operating room following vitreoretinal surgery at a public teaching hospital. Current eye research, 38(8)

Porco TC, Oh P, Flood JM. (2013). Antituberculosis drug resistance acquired during treatment: an analysis of cases reported in California, 1994-2006. Clinical infectious diseases : an official publication of the Infectious Diseases Society of America, 56(6)

Maher MC, Alemayehu W, Lakew T, Gaynor BD, Haug S, Cevallos V, Keenan JD, Lietman TM, Porco TC. (2012). The fitness cost of antibiotic resistance in Streptococcus pneumoniae: insight from the field. PLoS One, 7(1)

Porco TC, Gao D, Scott JC, Shim E, Enanoria WT, Galvani AP, Lietman TM. (2012). When does overuse of antibiotics become a tragedy of the commons?. PLoS One, 7(12)

Lin CC, Lalitha P, Srinivasan M, Prajna NV, McLeod SD, Acharya NR, Lietman TM, Porco TC. (2012). Seasonal trends of microbial keratitis in South India. Cornea, 31(10)

Lalitha P, Lin CC, Srinivasan M, Mascarenhas J, Prajna NV, Keenan JD, McLeod SD, Acharya NR, Lietman TM, Porco TC. (2012). Acanthamoeba keratitis in South India: a longitudinal analysis of epidemics. Ophthalmic epidemiology, 19(2)

Lietman TM, Gebre T, Ayele B, Ray KJ, Maher MC, See CW, Emerson PM, Porco TC, . (2011). The epidemiological dynamics of infectious trachoma may facilitate elimination. Epidemics, 3(2)

Porco TC, Gebre T, Ayele B, House J, Keenan J, Zhou Z, Hong KC, Stoller N, Ray KJ, Emerson P, Gaynor BD, Lietman TM. (2009). Effect of mass distribution of azithromycin for trachoma control on overall mortality in Ethiopian children: a randomized trial. JAMA, 302(9)

Banerjee R, Schecter GF, Flood J, Porco TC. (2008). Extensively drug-resistant tuberculosis: new strains, new challenges. Expert review of anti-infective therapy, 6(5)

Porco TC, Getz WM. (2007). Controlling extensively drug-resistant tuberculosis. Lancet (London, England), 370(9597)

Eisenberg JN, Scott JC, Porco T. (2007). Integrating disease control strategies: balancing water sanitation and hygiene interventions to reduce diarrheal disease burden. American journal of public health, 97(5)

Porco TC, Lewis B, Marseille E, Grinsdale J, Flood JM, Royce SE. (2006). Cost-effectiveness of tuberculosis evaluation and treatment of newly-arrived immigrants. BMC Public Health, (6)

Lietman TM, Gaynor B, Porco T. (2005). Single-dose azithromycin for trachoma. The New England journal of medicine, 352(4)

Porco TC, Lloyd-Smith JO, Gross KL, Galvani AP. (2005). The effect of treatment on pathogen virulence. Journal of theoretical biology, 233(1)

Porco TC, Holbrook KA, Fernyak SE, Portnoy DL, Reiter R, Aragón TJ. (2004). Logistics of community smallpox control through contact tracing and ring vaccination: a stochastic network model. BMC Public Health, (4)

Porco TC, Martin JN, Page-Shafer KA, Cheng A, Charlebois E, Grant RM, Osmond DH. (2004). Decline in HIV infectivity following the introduction of highly active antiretroviral therapy. AIDS (London, England), 18(1)

Eisenberg JN, Lewis BL, Porco TC, Hubbard AH, Colford JM Jr.. (2003). Bias due to secondary transmission in estimation of attributable risk from intervention trials. Epidemiology (Cambridge, Mass.), 14(4)