Gary P. Wormser, M.D., leads a top team of experts in the study of tick-borne diseases, including Lyme disease, anaplasmosis and babesiosis. His interest in infectious diseases dates back to 1981 when he and colleagues wrote the first paper on AIDS to appear in a scientific journal, and he has spoken on the use of smallpox and other deadly viruses as bioterrorist weapons.

Areas of Expertise

• Infectious Disease
• Lyme Disease
• Bio-Threat
• Medicine
• Pharmacology
• Microbiology and Immunology
• Lyme Disease
• Babesiosis
• Human Granulocytic Anaplasmosis
• Tick-borne Diseases

Education

• B.S., University of Pennsylvania
• M.D., Johns Hopkins University School of Medicine
• Residency, Internal Medicine, Icahn School of Medicine at Mount Sinai 
• Residency, Internal Medicine, NYC Health + Hospitals/Elmhurst

Honors and Awards

Research

Dr. Wormser's principal research interests are Lyme disease, babesiosis, and human granulocytic anaplasmosis, with other research activities in HIV infection, infection control, and investigational antimicrobial agents and vaccine preparations.

Publications

• Ogrinc K, Bogovič P, Rojko T, et. al. "Proportion of confirmed Lyme neuroborreliosis cases among patients with suspected early European Lyme neuroborreliosis." Research square, (), (2024) . pii: rs.3.rs-5231881. doi: 10.21203/rs.3.rs-5231881/v1
• Ogrinc K, Bogovič P, Rojko T, et. al. "Proportion of confirmed Lyme neuroborreliosis cases among adult patients with suspected early European Lyme neuroborreliosis." Infection, (), (2025) . doi: 10.1007/s15010-024-02461-0
• Wormser GP, Zentmaier L, Liveris D, et. al. "Antibodies to Anaplasma phagocytophilum in Patients with Human Granulocytic Anaplasmosis Confirmed by Both Polymerase Chain Reaction and Culture." The American journal of medicine, (), (2024) . pii: S0002-9343(24)00778-2. doi: 10.1016/j.amjmed.2024.11.025
• Wormser GP, Schneider LM, Joseph JT, et. al. "Surveillance data from 2011-2020 indicate a lower risk of Lyme disease in the USA in even-numbered years." Wiener klinische Wochenschrift, 136(21-22), (2024) 636-638. doi: 10.1007/s00508-024-02452-z
• Aguero-Rosenfeld ME, Zentmaier L, Liveris D, et. al. "Culture and other direct detection methods to diagnose human granulocytic anaplasmosis." American journal of clinical pathology, (), (2024) . pii: aqae126. doi: 10.1093/ajcp/aqae126
• Maraspin V, Ogrinc K, Bogovič P, et. al. "Erythema Migrans in Patients with Post-Traumatic Splenectomy." Microorganisms, 12(7), (2024) . doi: 10.3390/microorganisms12071465
• Ben Mamoun C, Wormser GP. "Reply to Dow and Smith." The Journal of infectious diseases, 230(1), (2024) 273. doi: 10.1093/infdis/jiae194

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Memberships and Affiliations

• Board Certified in Internal Medicine and Infectious Diseases
• Member of AOA