Patrick Cudahy, MD, MSc
Infectious Diseases
Titles
- Assistant Professor of Medicine (Infectious Diseases)
- Affiliated Faculty, Yale Institute for Global Health
Education & Training
- MScThe London School of Hygiene & Tropical Medicine, Epidemiology (2023)
- FellowshipYale University (2017)
- Internship and ResidencyStanford University (2013)
- MDMedical College of Wisconsin (2010)
- BAUniversity of California at Berkeley, Molecular and Cell Biology (2005)
Additional Information
Board Certifications
- AB of Internal Medicine, Infectious Disease (2018)
- AB of Internal Medicine, Internal Medicine (2013)
Professional Service
- American Journal of Tropical Medicine & Hygiene (2023 - Present): Reviewer
- Chest (2023 - Present): Reviewer
Publications
- Chitwood M, Corbett E, Ndhlovu V, Sobkowiak B, Colijn C, Andrews J, Burke R, Cudahy P, Dodd P, Imai-Eaton J, Engelthaler D, Folkerts M, Feasey H, Lan Y, Lewis J, McNichol J, Menzies N, Chipungu G, Nliwasa M, Weinberger D, Warren J, Salomon J, MacPherson P, Cohen T. Distribution and transmission of M. tuberculosis in a high-HIV prevalence city in Malawi: A genomic and spatial analysis. PLOS Global Public Health 2025, 5: e0004040. PMID: 40173177, PMCID: PMC11964229, DOI: 10.1371/journal.pgph.0004040.
- Sobkowiak B, Cudahy P, Chitwood M, Clark T, Colijn C, Grandjean L, Walter K, Crudu V, Cohen T. A new method for detecting mixed Mycobacterium tuberculosis infection and reconstructing constituent strains provides insights into transmission. Genome Medicine 2025, 17: 8. PMID: 39871355, PMCID: PMC11771024, DOI: 10.1186/s13073-025-01430-y.
- Tobias Cudahy P, Liu P, Warren J, Sobkowiak B, Yang C, Ioerger T, Wu C, Lu P, Wang J, Chang H, Huang H, Cohen T, Lin H. Phylogeographic Analysis of Mycobacterium kansasii Isolates from Patients with M. kansasii Lung Disease in Industrialized City, Taiwan - Volume 30, Number 8—August 2024 - Emerging Infectious Diseases journal - CDC. Emerging Infectious Diseases 2024, 30: 1562-1570. PMID: 39043390, PMCID: PMC11286038, DOI: 10.3201/eid3008.240021.
- Distribution and transmission of M. tuberculosis in a high-HIV prevalence city in Malawi: a genomic and spatial analysis Melanie H. Chitwood, Elizabeth L. Corbett, Victor Ndhlovu, Benjamin Sobkowiak, Caroline Colijn, Jason R. Andrews, Rachael M. Burke, Patrick G.T. Cudahy, Peter J. Dodd, Jeffrey W. Imai-Eaton, David M. Engelthaler, Megan Folkerts, Helena Feasey, Yu Lan, Jen Lewis, Nicolas A Menzies, Geoffrey Chipungu, Marriott Nliwasa, Daniel M. Weinberger, Joshua L. Warren, Joshua A. Salomon, Peter MacPherson, Ted Cohen medRxiv 2024.05.17.24307525; doi: https://doi.org/10.1101/2024.05.17.24307525
- Wilson D, Cudahy P, Drain P. Urine and sputum tuberculosis tests: defining the trade-offs in endemic HIV and tuberculosis settings. The Lancet Global Health 2023, 11: e809-e810. PMID: 37202010, DOI: 10.1016/s2214-109x(23)00215-2.
- Kerry T, Cudahy P, Holst H, Ramsunder A, McGrath N. A doctor at a PHC clinic: A ‘must-have’ or ‘nice-to-have’? South African Medical Journal 2022, 113: 24-30. PMID: 36537544, DOI: 10.7196/samj.2023.v113i1.16700.
- Cox H, Goig GA, Salaam-Dreyer Z, Dippenaar A, Reuter A, Mohr-Holland E, Daniels J, Cudahy PGT, Nicol MP, Borrell S, Reinhard M, Doetsch A, Beisel C, Gagneux S, Warren RM, Furin J. Whole-Genome Sequencing Has the Potential To Improve Treatment for Rifampicin-Resistant Tuberculosis in High-Burden Settings: a Retrospective Cohort Study. Journal Of Clinical Microbiology 2022, 60: e02362-21. PMID: 35170980, PMCID: PMC8925891, DOI: 10.1128/jcm.02362-21.
- Yang C, Sobkowiak B, Naidu V, Codreanu A, Ciobanu N, Gunasekera KS, Chitwood MH, Alexandru S, Bivol S, Russi M, Havumaki J, Cudahy P, Fosburgh H, Allender CJ, Centner H, Engelthaler DM, Menzies NA, Warren JL, Crudu V, Colijn C, Cohen T. Phylogeography and transmission of M. tuberculosis in Moldova: A prospective genomic analysis. PLOS Medicine 2022, 19: e1003933. PMID: 35192619, PMCID: PMC8903246, DOI: 10.1371/journal.pmed.1003933.
- Cox H, Salaam-Dreyer Z, Goig GA, Nicol MP, Menardo F, Dippenaar A, Mohr-Holland E, Daniels J, Cudahy PGT, Borrell S, Reinhard M, Doetsch A, Beisel C, Reuter A, Furin J, Gagneux S, Warren RM. Potential contribution of HIV during first-line tuberculosis treatment to subsequent rifampicin-monoresistant tuberculosis and acquired tuberculosis drug resistance in South Africa: a retrospective molecular epidemiology study. The Lancet Microbe 2021, 2: e584-e593. PMID: 34766068, PMCID: PMC8563432, DOI: 10.1016/s2666-5247(21)00144-0.
- Salaam-Dreyer Z, Streicher EM, Sirgel FA, Menardo F, Borrell S, Reinhard M, Doetsch A, Cudahy PGT, Mohr-Holland E, Daniels J, Dippenaar A, Nicol MP, Gagneux S, Warren RM, Cox H. Rifampicin-Monoresistant Tuberculosis Is Not the Same as Multidrug-Resistant Tuberculosis: a Descriptive Study from Khayelitsha, South Africa. Antimicrobial Agents And Chemotherapy 2021, 65: 10.1128/aac.00364-21. PMID: 34460307, PMCID: PMC8522772, DOI: 10.1128/aac.00364-21.
- Kerry T, Cudahy P. Use of the antenatal antiretroviral (ARV) tracking form in maternity case records to improve ARV management. South African Medical Journal 2020, 110: 1206-1212. PMID: 33403967, DOI: 10.7196/samj.2020.v110i12.14505.
- Cudahy PGT, Wilson D, Cohen T. Risk factors for recurrent tuberculosis after successful treatment in a high burden setting: a cohort study. BMC Infectious Diseases 2020, 20: 789. PMID: 33097000, PMCID: PMC7585300, DOI: 10.1186/s12879-020-05515-4.
- Cudahy PGT, Andrews JR, Bilinski A, Dowdy DW, Mathema B, Menzies NA, Salomon JA, Shrestha S, Cohen T. Spatially targeted screening to reduce tuberculosis transmission in high-incidence settings. The Lancet Infectious Diseases 2018, 19: e89-e95. PMID: 30554997, PMCID: PMC6401264, DOI: 10.1016/s1473-3099(18)30443-2.
- Cudahy PGT, Warren JL, Cohen T, Wilson D. Trends in C-Reactive Protein, D-Dimer, and Fibrinogen during Therapy for HIV-Associated Multidrug-Resistant Tuberculosis. American Journal Of Tropical Medicine And Hygiene 2018, 99: 1336-1341. PMID: 30226135, PMCID: PMC6221241, DOI: 10.4269/ajtmh.18-0322.
- Wilson D, Moosa MS, Cohen T, Cudahy P, Aldous C, Maartens G. Evaluation of Tuberculosis Treatment Response With Serial C-Reactive Protein Measurements. Open Forum Infectious Diseases 2018, 5: ofy253. PMID: 30474046, PMCID: PMC6240901, DOI: 10.1093/ofid/ofy253.
- Cudahy PGT, Dawson R, Allwood BW, Maartens G, Wilson D. Diagnostic Outcomes After Chest Radiograph Interpretation in Patients With Suspected Tuberculosis and Negative Sputum Smears in a High-Burden Human Immunodeficiency Virus and Tuberculosis Setting. Open Forum Infectious Diseases 2017, 4: ofx123. PMID: 28721354, PMCID: PMC5508775, DOI: 10.1093/ofid/ofx123.
- Nathavitharana RR, Cudahy PG, Schumacher SG, Steingart KR, Pai M, Denkinger CM. Accuracy of line probe assays for the diagnosis of pulmonary and multidrug-resistant tuberculosis: a systematic review and meta-analysis. European Respiratory Journal 2017, 49: 1601075. PMID: 28100546, PMCID: PMC5898952, DOI: 10.1183/13993003.01075-2016.
- Cudahy P, Shenoi SV. Diagnostics for pulmonary tuberculosis. Postgraduate Medical Journal 2016, 92: 187-193. PMID: 27005271, PMCID: PMC4854647, DOI: 10.1136/postgradmedj-2015-133278.
Departments and Programs
Titles
- Assistant Professor of Medicine (Infectious Diseases)
- Affiliated Faculty, Yale Institute for Global Health
Education & Training
- MScThe London School of Hygiene & Tropical Medicine, Epidemiology (2023)
- FellowshipYale University (2017)
- Internship and ResidencyStanford University (2013)
- MDMedical College of Wisconsin (2010)
- BAUniversity of California at Berkeley, Molecular and Cell Biology (2005)
Additional Information
Board Certifications
- AB of Internal Medicine, Infectious Disease (2018)
- AB of Internal Medicine, Internal Medicine (2013)
Professional Service
- American Journal of Tropical Medicine & Hygiene (2023 - Present): Reviewer
- Chest (2023 - Present): Reviewer
Publications
- Chitwood M, Corbett E, Ndhlovu V, Sobkowiak B, Colijn C, Andrews J, Burke R, Cudahy P, Dodd P, Imai-Eaton J, Engelthaler D, Folkerts M, Feasey H, Lan Y, Lewis J, McNichol J, Menzies N, Chipungu G, Nliwasa M, Weinberger D, Warren J, Salomon J, MacPherson P, Cohen T. Distribution and transmission of M. tuberculosis in a high-HIV prevalence city in Malawi: A genomic and spatial analysis. PLOS Global Public Health 2025, 5: e0004040. PMID: 40173177, PMCID: PMC11964229, DOI: 10.1371/journal.pgph.0004040.
- Sobkowiak B, Cudahy P, Chitwood M, Clark T, Colijn C, Grandjean L, Walter K, Crudu V, Cohen T. A new method for detecting mixed Mycobacterium tuberculosis infection and reconstructing constituent strains provides insights into transmission. Genome Medicine 2025, 17: 8. PMID: 39871355, PMCID: PMC11771024, DOI: 10.1186/s13073-025-01430-y.
- Tobias Cudahy P, Liu P, Warren J, Sobkowiak B, Yang C, Ioerger T, Wu C, Lu P, Wang J, Chang H, Huang H, Cohen T, Lin H. Phylogeographic Analysis of Mycobacterium kansasii Isolates from Patients with M. kansasii Lung Disease in Industrialized City, Taiwan - Volume 30, Number 8—August 2024 - Emerging Infectious Diseases journal - CDC. Emerging Infectious Diseases 2024, 30: 1562-1570. PMID: 39043390, PMCID: PMC11286038, DOI: 10.3201/eid3008.240021.
- Distribution and transmission of M. tuberculosis in a high-HIV prevalence city in Malawi: a genomic and spatial analysis Melanie H. Chitwood, Elizabeth L. Corbett, Victor Ndhlovu, Benjamin Sobkowiak, Caroline Colijn, Jason R. Andrews, Rachael M. Burke, Patrick G.T. Cudahy, Peter J. Dodd, Jeffrey W. Imai-Eaton, David M. Engelthaler, Megan Folkerts, Helena Feasey, Yu Lan, Jen Lewis, Nicolas A Menzies, Geoffrey Chipungu, Marriott Nliwasa, Daniel M. Weinberger, Joshua L. Warren, Joshua A. Salomon, Peter MacPherson, Ted Cohen medRxiv 2024.05.17.24307525; doi: https://doi.org/10.1101/2024.05.17.24307525
- Wilson D, Cudahy P, Drain P. Urine and sputum tuberculosis tests: defining the trade-offs in endemic HIV and tuberculosis settings. The Lancet Global Health 2023, 11: e809-e810. PMID: 37202010, DOI: 10.1016/s2214-109x(23)00215-2.
- Kerry T, Cudahy P, Holst H, Ramsunder A, McGrath N. A doctor at a PHC clinic: A ‘must-have’ or ‘nice-to-have’? South African Medical Journal 2022, 113: 24-30. PMID: 36537544, DOI: 10.7196/samj.2023.v113i1.16700.
- Cox H, Goig GA, Salaam-Dreyer Z, Dippenaar A, Reuter A, Mohr-Holland E, Daniels J, Cudahy PGT, Nicol MP, Borrell S, Reinhard M, Doetsch A, Beisel C, Gagneux S, Warren RM, Furin J. Whole-Genome Sequencing Has the Potential To Improve Treatment for Rifampicin-Resistant Tuberculosis in High-Burden Settings: a Retrospective Cohort Study. Journal Of Clinical Microbiology 2022, 60: e02362-21. PMID: 35170980, PMCID: PMC8925891, DOI: 10.1128/jcm.02362-21.
- Yang C, Sobkowiak B, Naidu V, Codreanu A, Ciobanu N, Gunasekera KS, Chitwood MH, Alexandru S, Bivol S, Russi M, Havumaki J, Cudahy P, Fosburgh H, Allender CJ, Centner H, Engelthaler DM, Menzies NA, Warren JL, Crudu V, Colijn C, Cohen T. Phylogeography and transmission of M. tuberculosis in Moldova: A prospective genomic analysis. PLOS Medicine 2022, 19: e1003933. PMID: 35192619, PMCID: PMC8903246, DOI: 10.1371/journal.pmed.1003933.
- Cox H, Salaam-Dreyer Z, Goig GA, Nicol MP, Menardo F, Dippenaar A, Mohr-Holland E, Daniels J, Cudahy PGT, Borrell S, Reinhard M, Doetsch A, Beisel C, Reuter A, Furin J, Gagneux S, Warren RM. Potential contribution of HIV during first-line tuberculosis treatment to subsequent rifampicin-monoresistant tuberculosis and acquired tuberculosis drug resistance in South Africa: a retrospective molecular epidemiology study. The Lancet Microbe 2021, 2: e584-e593. PMID: 34766068, PMCID: PMC8563432, DOI: 10.1016/s2666-5247(21)00144-0.
- Salaam-Dreyer Z, Streicher EM, Sirgel FA, Menardo F, Borrell S, Reinhard M, Doetsch A, Cudahy PGT, Mohr-Holland E, Daniels J, Dippenaar A, Nicol MP, Gagneux S, Warren RM, Cox H. Rifampicin-Monoresistant Tuberculosis Is Not the Same as Multidrug-Resistant Tuberculosis: a Descriptive Study from Khayelitsha, South Africa. Antimicrobial Agents And Chemotherapy 2021, 65: 10.1128/aac.00364-21. PMID: 34460307, PMCID: PMC8522772, DOI: 10.1128/aac.00364-21.
- Kerry T, Cudahy P. Use of the antenatal antiretroviral (ARV) tracking form in maternity case records to improve ARV management. South African Medical Journal 2020, 110: 1206-1212. PMID: 33403967, DOI: 10.7196/samj.2020.v110i12.14505.
- Cudahy PGT, Wilson D, Cohen T. Risk factors for recurrent tuberculosis after successful treatment in a high burden setting: a cohort study. BMC Infectious Diseases 2020, 20: 789. PMID: 33097000, PMCID: PMC7585300, DOI: 10.1186/s12879-020-05515-4.
- Cudahy PGT, Andrews JR, Bilinski A, Dowdy DW, Mathema B, Menzies NA, Salomon JA, Shrestha S, Cohen T. Spatially targeted screening to reduce tuberculosis transmission in high-incidence settings. The Lancet Infectious Diseases 2018, 19: e89-e95. PMID: 30554997, PMCID: PMC6401264, DOI: 10.1016/s1473-3099(18)30443-2.
- Cudahy PGT, Warren JL, Cohen T, Wilson D. Trends in C-Reactive Protein, D-Dimer, and Fibrinogen during Therapy for HIV-Associated Multidrug-Resistant Tuberculosis. American Journal Of Tropical Medicine And Hygiene 2018, 99: 1336-1341. PMID: 30226135, PMCID: PMC6221241, DOI: 10.4269/ajtmh.18-0322.
- Wilson D, Moosa MS, Cohen T, Cudahy P, Aldous C, Maartens G. Evaluation of Tuberculosis Treatment Response With Serial C-Reactive Protein Measurements. Open Forum Infectious Diseases 2018, 5: ofy253. PMID: 30474046, PMCID: PMC6240901, DOI: 10.1093/ofid/ofy253.
- Cudahy PGT, Dawson R, Allwood BW, Maartens G, Wilson D. Diagnostic Outcomes After Chest Radiograph Interpretation in Patients With Suspected Tuberculosis and Negative Sputum Smears in a High-Burden Human Immunodeficiency Virus and Tuberculosis Setting. Open Forum Infectious Diseases 2017, 4: ofx123. PMID: 28721354, PMCID: PMC5508775, DOI: 10.1093/ofid/ofx123.
- Nathavitharana RR, Cudahy PG, Schumacher SG, Steingart KR, Pai M, Denkinger CM. Accuracy of line probe assays for the diagnosis of pulmonary and multidrug-resistant tuberculosis: a systematic review and meta-analysis. European Respiratory Journal 2017, 49: 1601075. PMID: 28100546, PMCID: PMC5898952, DOI: 10.1183/13993003.01075-2016.
- Cudahy P, Shenoi SV. Diagnostics for pulmonary tuberculosis. Postgraduate Medical Journal 2016, 92: 187-193. PMID: 27005271, PMCID: PMC4854647, DOI: 10.1136/postgradmedj-2015-133278.
Departments and Programs