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Related Concept Videos

Toxoplasmosis01:28

Toxoplasmosis

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...
Rabies01:28

Rabies

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...
Infectious Diseases and Their Occurrence01:28

Infectious Diseases and Their Occurrence

Infectious diseases appear in populations through various transmission patterns, influenced by pathogen characteristics, population immunity, environmental conditions, and social behavior. Understanding these patterns is essential for effective public health surveillance and intervention. These categories—sporadic, outbreak, epidemic, pandemic, and endemic—help frame the nature and scope of disease events.Sporadic diseases occur irregularly and infrequently, without a predictable temporal or...
Principles of Disease Surveillance01:26

Principles of Disease Surveillance

Disease surveillance is the systematic collection, analysis, and interpretation of health data essential to the planning, implementation, and evaluation of public health practice. This process integrates data dissemination to entities responsible for preventing and controlling disease, injury, and disability. Surveillance systems provide crucial information for action, helping public health authorities make informed decisions to manage and prevent outbreaks, ensure public safety, optimize...
Reservoir of Infection01:30

Reservoir 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,...
Smallpox01:24

Smallpox

Smallpox is a severe contagious disease caused by the Variola major virus, a double-stranded DNA member of the Poxviridae family.Variola major transmission occurs primarily via inhalation of virus-laden droplets or direct contact with infectious scabs. The incubation period averages approximately seven days, although it may range from 7 to 17 days depending on the inoculum and host factors.Clinically, the prodromal phase is marked by an abrupt onset of high fever, malaise, headache, and myalgia.

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Related Experiment Video

Updated: Jun 13, 2026

High-throughput Detection of Respiratory Pathogens in Animal Specimens by Nanoscale PCR
11:00

High-throughput Detection of Respiratory Pathogens in Animal Specimens by Nanoscale PCR

Published on: November 28, 2016

Focusing on neglected zoonoses.

Lian Doble, Eric M Fèvre

    The Veterinary Record
    |May 4, 2010
    PubMed
    Summary

    The People, Animals and their Zoonoses (PAZ) project in Kenya emphasizes the interconnectedness of human and animal health. This initiative studies neglected zoonotic diseases to inform public health policies.

    Area of Science:

    • Interdisciplinary research
    • Epidemiology
    • Veterinary medicine

    Background:

    • The One Health concept highlights the link between human and animal health.
    • Collaboration between medical and veterinary fields is crucial for health improvements.
    • The People, Animals and their Zoonoses (PAZ) project is a Wellcome Trust-supported initiative in Western Kenya.

    Discussion:

    • The PAZ project focuses on studying neglected zoonotic diseases.
    • It aims to provide policy-relevant epidemiological information.
    • This research underscores the importance of a collaborative One Health approach.

    Key Insights:

    • Neglected zoonoses pose significant public health risks.
    • Epidemiological data is vital for effective disease control strategies.

    Related Experiment Videos

    Last Updated: Jun 13, 2026

    High-throughput Detection of Respiratory Pathogens in Animal Specimens by Nanoscale PCR
    11:00

    High-throughput Detection of Respiratory Pathogens in Animal Specimens by Nanoscale PCR

    Published on: November 28, 2016

  • Interprofessional collaboration is essential for addressing zoonotic disease challenges.
  • Outlook:

    • The PAZ project will generate crucial data for public health policy.
    • Continued research in One Health is needed to tackle emerging infectious diseases.
    • Strengthening interdisciplinary partnerships can enhance global health security.