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Tularemia in New York, USA, 1993-2023
Emerging Infectious Diseases
|January 30, 2026
Summary
Tularemia cases in New York increased significantly from 2014-2023, with most cases in Suffolk County. Tick surveillance confirmed localized risk of Francisella tularensis, the bacterium causing tularemia.
Area of Science:
- Epidemiology
- Infectious Diseases
- Public Health Surveillance
Background:
- Tularemia is a zoonotic disease caused by Francisella tularensis.
- Understanding disease distribution and transmission is crucial for public health interventions.
Purpose of the Study:
- To analyze the epidemiological trends of tularemia in New York, USA, from 1993 to 2023.
- To identify high-risk areas and potential sources of infection, such as tick vectors.
Main Methods:
- Retrospective analysis of reported tularemia cases in New York State.
- Geographic mapping of cases, focusing on Suffolk County.
- Tick surveillance for the presence of Francisella tularensis.
Main Results:
- A total of 30 tularemia cases were reported in New York between 1993 and 2023.
- 43% of cases were reported from Suffolk County.
- A significant increase in diagnoses occurred during 2014-2023 (69% of total cases).
- Francisella tularensis was detected in nymphal ticks from Suffolk County, confirming local transmission risk.
Conclusions:
- Tularemia incidence in New York has shown an increasing trend, particularly in Suffolk County.
- Tick-borne transmission of Francisella tularensis poses a localized risk in Suffolk County.
- Enhanced surveillance and public awareness are recommended for tularemia prevention.
Keywords:
Amblyomma americanumDermacentor variabilisFrancisella tularensisNew YorkSuffolk Countybacteriaclimate changetick surveillancetularemiaMore Related Videos
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