Siobhán M. O’Connor, MD, MPH, FACR is a physician scientist with over 25 years of experience in domestic and international public health and patient medical care. Her multidisciplinary background in developing, implementing, and leading public health programs and clinical trials that span and integrate infectious diseases and chronic diseases. She is Board Certified in Rheumatology and Internal Medicine, has an MPH in International Health, and has extensive experience in infectious disease and chronic disease prevention, epidemiology, and improving chronic health outcomes.
Selected Publications:
Cholli, P. A., Zucker, J., Vigil, K. J., Minhaj, F. S., Weidle, P. J., Taylor, M. M., Gray, B., Haberling, D. L., Ajmal, A., Rao, A. K., Cantos, A., Guagliardo, S. A. J., Flanagan, M., Rodriguez, G. H., Tamí-Maury, I., O'Connor, S. M., & LAMP (Life After Mpox) Study Team (2026). Long-Term Mpox Sequelae 11 to 18 Months After Acute Illness : A Cohort Study in Two U.S. Cities. Annals of internal medicine, 179(3), 362–371. https://doi.org/10.7326/ANNALS-25-00036
O'Connor, S. M., Song, R., Viguerie, A., Buchacz, K., Lyles, C. M., Farnham, P. G., Grytdal, S. P., Hutchinson, A. B., Byrd, K. K., & Brooks, J. T. (2025). Projected Increases in Older People With HIV in the United States Through 2040. Open forum infectious diseases, 12(11), ofaf656. https://doi.org/10.1093/ofid/ofaf656
Byrd, K. K., Tie, Y., Lin, C. Y., Kuo, Y., Beer, L., O'Connor, S. M., Buchacz, K., Luo, F., & Weiser, J. (2026). Estimated major adverse cardiovascular events averted among persons with HIV if treated with a moderate-intensity statin. AIDS (London, England), 40(2), 204–214. https://doi.org/10.1097/QAD.0000000000004385
Mugo, N. R., Mudhune, V., Heffron, R., Thomas, K. K., McLellan-Lemal, E., Njoroge, B., Peacock, S., O'Connor, S. M., Nyagol, B., Ouma, E., Ridzon, R., Wiener, J., Isoherranen, N., Erikson, D. W., Ouattara, L. A., Yousefieh, N., Jacot, T. A., Haaland, R. E., Morrison, S. A., Haugen, H. S., … Doncel, G. F. (2023). Randomized controlled phase IIa clinical trial of safety, pharmacokinetics and pharmacodynamics of tenofovir and tenofovir plus levonorgestrel releasing intravaginal rings used by women in Kenya. Frontiers in reproductive health, 5, 1118030. https://doi.org/10.3389/frph.2023.1118030
Pastula, D. M., Copeland, M. J., Hannan, M. C., Rapaka, S., Kitani, T., Kleiner, E., Showler, A., Yuen, C., Ferriman, E. M., House, J., O'Brien, S., Burakoff, A., Gupta, B., Money, K. M., Matthews, E., Beckham, J. D., Chauhan, L., Piquet, A. L., Kumar, R. N., Tornatore, C. S., … O'Connor, S. M. (2022). Two Cases of Monkeypox-Associated Encephalomyelitis - Colorado and the District of Columbia, July-August 2022. MMWR. Morbidity and mortality weekly report, 71(38), 1212–1215. https://doi.org/10.15585/mmwr.mm7138e1
View his full list of publications on PubMed.


