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Updated: Aug 21, 2026

Cities As Interfaces of Zoonotic Hazard Emergence: Development of the New York City Tick and Wildlife Urban Surveillance System
Published on: March 10, 2026
[Zoonoses]
1Department of Veterinary Science, National Institute of Infectious Diseases 1-23-1 Toyama, Shinjuku-ku, Tokyo 162-8640, Japan. yamada@nih.go.jp
Abstract:
The numbers of microbial species that can infect human beings are shown to be 1415, of which 868 species (61%) are zoonotic. Since most of the emerging pathogens (75%) are originated from other animals, public health sectors should be vigilant against the emergence of new zoonotic diseases. Only 33% of zoonoses can spread from human to human after introduction into human population. Various factors such as human demography, ecological change, global transportation and climate change are responsible for the emergence of zoonoses. Even a slight change in the ecological niche where pathogenic organisms thrive would result in the increase of the incidence of the disease.
Insights
Zoonotic diseases, originating from animals, pose a significant threat, with 61% of human pathogens being zoonotic. Public health must monitor these emerging diseases due to factors like ecological change and global transport.
Area of Science:
- Microbiology and Public Health
- Epidemiology of Infectious Diseases
Context:
- 1415 microbial species infect humans; 868 (61%) are zoonotic.
- Emerging pathogens are predominantly zoonotic (75%), originating from animal reservoirs.
- Zoonotic disease emergence is influenced by human demography, ecological shifts, global travel, and climate change.
Purpose:
- To highlight the prevalence of zoonotic pathogens in human infections.
- To emphasize the need for public health vigilance regarding emerging zoonotic diseases.
- To identify key drivers contributing to the increased incidence of zoonoses.
Summary:
- A significant majority of microbial species capable of infecting humans are zoonotic.
- The majority of emerging infectious diseases originate in animals, necessitating proactive public health surveillance.
- Limited human-to-human transmission (33%) for most zoonoses, but environmental and societal changes facilitate their emergence.
Impact:
- Informing public health strategies for infectious disease prevention and control.
- Raising awareness about the link between environmental changes and disease emergence.
- Guiding research into the ecological and social determinants of zoonotic disease outbreaks.
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