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UTHealth Expert List

Infectious Diseases

Herbert DuPont, M.D.

Herbert  DuPont
  • Director of the Center for Infectious Diseases, UTHealth School of Public Health
  • Mary W. Kelsey Chair in the Medical Sciences, UTHealth Medical School
  • Professor, UTHealth School of Public Health

Herbert L. DuPont, M.D., has served as infectious disease epidemiologist for the Centers for Disease Control and as president of both the Infectious Diseases Society of America and the National Foundation for Infectious Diseases. DuPont is the author of over 650 scientific papers and 19 textbooks. He can discuss Ebola, influenza, travel medicine, disease outbreaks, intestinal infections and acute diarrhea, food-borne illnesses and norovirus as he was one of the researchers who discovered the virus.

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Charles Ericsson, M.D.

Charles  Ericsson
  • Dr. and Mrs. Carl V. Vartian Professor in Infectious Diseases and Head of Clinical Infectious Diseases, UTHealth Medical School
  • Director of Travel Medicine Clinic, UT Physicians, part of the UTHealth Medical School
  • Medical staff member, Memorial Hermann-Texas Medical Center and Lyndon B. Johnson Hospital, which is part of the Harris Health System

Charles D. Ericsson, M.D., is an infectious disease and travel medicine specialist and has conducted clinical studies on traveler’s diarrhea in Guadalajara, Mexico. Ericsson can address food-borne diseases that plague some cruise ships, deep vein thrombosis that can afflict travelers on prolonged air flights and infectious diseases, such as Ebola, that are more common in other parts of the world. He is the founding Editor-in-Chief of The Journal of Travel Medicine and past president of the International Society of Travel Medicine. He is board certified by the American Board of Internal Medicine.

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Susan Fisher-Hoch, M.D.

Susan  Fisher-Hoch
  • Professor of Epidemiology, Human Genetics & Environmental Sciences, UTHealth School of Public Health Brownsville Regional Campus

Susan P. Fisher-Hoch, M.D., is one of the world's leading virologists. Fisher-Hoch is able to discuss the influenza virus, viral outbreaks, tropical medicine, diabetes, health disparities, medical virology and infectious diseases such as hepatitis C, typhoid and hemorrhagic fever.

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Joseph McCormick, M.D.

Joseph  McCormick
  • Regional Dean, UTHealth School of Public Health Brownsville Regional Campus
  • James H. Steele Professor, UTHealth School of Public Health Brownsville Regional Campus

Joseph McCormick, M.D., is an infectious disease specialist and expert on viral hemorrhagic fevers, including Ebola, Lassa and Marburg. McCormick was involved in investigating the first-recorded Ebola outbreak in 1976. His experiences are chronicled in a book coauthored with his wife, Susan Fisher Hoch, M.D., titled “Level 4: Virus Hunters of the CDC.” He has intimate knowledge of West Africa and can provide his unique insights into the public health aspects of the current Ebola outbreak. He can also provide an interesting perspective on the designation of “emerging diseases.”

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Luis Ostrosky, M.D., FACP, FIDSA

Luis  Ostrosky
  • Professor, Internal Medicine, UTHealth Medical School
  • Associate Director, Infectious Diseases Fellowship, UTHealth Medical School
  • Medical Director for Epidemiology, Memorial Hermann-Texas Medical Center

Luis Z. Ostrosky, M.D. FACP, FIDSA, specializes in infectious diseases, including Ebola, hospital epidemiology, infection control, and fungal infections. Ostrosky is available for interviews in English and Spanish.


Catherine Troisi, Ph.D.

Catherine  Troisi
  • Associate Professor of Epidemiology, UTHealth School of Public Health

Catherine Troisi, Ph.D. is an infectious disease epidemiologist with expertise in influenza, hepatitis A, B, C, D, and E, and sexually transmitted diseases including HIV/AIDS, human papillomavirus (HPV) and syphilis. She can also discuss infectious disease outbreaks such as Ebola, immunizations and issues of public health practice in the community. 

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