Related Experiment Video
Updated: Jul 4, 2026
04:10
A Trap-Vaccinate-Release Protocol for Immunization of Skunks and Additional Rabies Vectors Against Rabies
Published on: November 29, 2024
Zoonoses-with friends like this, who needs enemies?
1Albert Einstein College of Medicine, Bronx, New York 10461, USA. sbaum@aecom.yu.edu
Summary
Zoonoses, infections transmitted from animals to humans, are a permanent public health challenge. Unlike human-only diseases, zoonotic infections cannot be eradicated, necessitating ongoing management strategies.
Area of Science:
- Veterinary Medicine
- Public Health
- Infectious Diseases
Background:
- Zoonoses are diseases transmitted between animals and humans.
- Emerging infectious diseases often originate as zoonoses.
- Human-to-human transmission is typically limited in zoonotic infections, making humans 'dead-end' hosts.
Purpose of the Study:
- To highlight the significance of zoonoses as a persistent threat to human health.
- To differentiate zoonotic diseases from those exclusively affecting humans regarding eradication potential.
- To underscore the need for continuous management of zoonotic infections.
Main Methods:
- Review of epidemiological data on emerging infectious diseases.
- Comparative analysis of human-exclusive versus animal-to-human transmitted diseases.
- Literature review on disease eradication criteria and success factors.
Main Results:
- Most emerging infections recognized recently are zoonotic in origin.
- Diseases eradicated (e.g., smallpox) exclusively infected humans.
- Zoonoses lack a human-only reservoir, preventing elimination.
Conclusions:
- Zoonotic infections represent an un-erasable component of the global health landscape.
- Effective control and prevention strategies are crucial for managing recurrent zoonotic disease outbreaks.
- Understanding the animal-to-human transmission dynamic is key to long-term public health protection.
More Related Videos
10:17Cities As Interfaces of Zoonotic Hazard Emergence: Development of the New York City Tick and Wildlife Urban Surveillance System
Published on: March 10, 2026
11:12Protocols for Investigating the Host-tissue Distribution, Transmission-mode, and Effect on the Host Fitness of a Densovirus in the Cotton Bollworm
Published on: April 12, 2017
Related Concept Videos
01:28Rabies
Rabies is a lethal zoonotic disease caused by a single-stranded, negative-sense RNA virus of the Lyssavirus genus, within the family Rhabdoviridae. Its primary mode of transmission to humans is through bites or saliva-contaminated scratches from infected mammals such as dogs, bats, raccoons, or foxes. Transmission can also occur if infectious saliva contacts abraded skin or intact mucous membranes, including the conjunctiva.Viral Entry and Early ReplicationOnce introduced at the bite or scratch...
00:58Symbiosis
Symbiotic relationships are long-term, close interactions between individuals of different species that affect the distribution and abundance of those species. When a relationship is beneficial to both species, this is called mutualism. When the relationship is beneficial to one species but neither beneficial nor harmful to the other species, this is called commensalism. When one organism is harmed to benefit another, the relationship is known as parasitism. These types of relationships often...
00:57Viral Recombination
Cells are sometimes infected by more than one virus at once. When two viruses disassemble to expose their genomes for replication in the same cell, similar regions of their genomes can pair together and exchange sequences in a process called recombination. Alternatively, viruses with segmented genomes can swap segments in a process called reassortment.
01:30Reservoir of Infection
Infectious diseases arise from intricate interactions between pathogens and their reservoirs. A reservoir of infection refers to the natural habitat where a pathogen lives, grows, and multiplies, serving as a continual source of infection. Reservoirs are broadly classified as either living or nonliving, and each plays a unique role in disease transmission, significantly influencing public health interventions and control strategies.Humans act as reservoirs for a wide array of pathogens,...
01:28Toxoplasmosis
Toxoplasmosis, a zoonotic disease caused by the protozoan Toxoplasma gondii, poses significant public health challenges globally due to its high seroprevalence and varied clinical manifestations. As an obligate intracellular parasite, T. gondii can infect all warm-blooded vertebrates, but felids are its only definitive hosts, shedding unsporulated oocysts into the environment. Humans typically acquire the infection through ingestion of tissue cysts in undercooked meat or oocysts from...
01:20Friendships and Close Friendships
Friendship formation is a dynamic process shaped by psychological, cultural, and social factors. Friendships play a crucial role in emotional well-being, social development, and personal identity from childhood to adulthood.Childhood and Early FriendshipsFriendships in childhood often arise due to shared environments, such as school or neighborhood interactions. At this stage, proximity and common interests serve as the primary basis for connection. As children grow, their friendships evolve...