Lucy Horton, MD, MPH

Lucy Horton, MD, is a board-certified infectious disease specialist who cares for patients with infections or diseases caused by viruses, bacteria, fungi and parasites, such as COVID-19, tuberculosis and malaria. She also offers travel medicine and has expertise in tropical medicine.

She is site director for the Asylum Seekers Shelter Health Screening Assessment Program at UC San Diego School of Medicine and studies the impact of infectious diseases on refugees and migrants at the U.S.-Mexico border. She is also a staff physician at the Tuberculosis Clinic for the San Diego Health and Human Services Agency.

Dr. Horton completed fellowship training in infectious disease at UC San Diego School of Medicine. She completed residency training in internal medicine at the Icahn School of Medicine at Mount Sinai in New York. She earned her medical degree and master's degree in public health from Tufts University School of Medicine in Boston. She is board certified in internal medicine and infectious disease.

Outside of work, she enjoys running, triathlons and visiting art galleries.

UC San Diego Health Links
For more information, see Infectious Disease.