Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

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...
Hybrid Zones02:29

Hybrid Zones

Hybrid zones are narrow regions where two closely related species interact, mate, and produce hybrids. Relative to either parent species, hybrids may possess distinct phenotypic or genetic differences that impact their survival and reproductive success. The genetic variances introduced by hybridization influence species diversity and speciation processes within the hybrid zone.
Gene Flow02:39

Gene Flow

Gene flow is the transfer of genes among populations, resulting from either the dispersal of gametes or from the migration of individuals.
What is Population Genetics?01:25

What is Population Genetics?

A population is composed of members of the same species that simultaneously live and interact in the same area. When individuals in a population breed, they pass down their genes to their offspring. Many of these genes are polymorphic, meaning that they occur in multiple variants. Such variations of a gene are referred to as alleles. The collective set of all the alleles within a population is known as the gene pool.
Infection01:20

Infection

When a pathogen enters the body and reproduces, it can cause an infection, damage body cells, and cause illness symptoms that eventually lead to disease. Therefore, its prevention requires breaking the chain of infection.
The chain begins with pathogens: bacteria, viruses, fungi, prions, or parasites such as protozoa helminths. These can be present on the skin as transient or resident flora, or they can be acquired from the environment. Identifying and treating the type of infection and...
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,...

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

[Synergistic effect of thermotherapy in combination with chemotherapy on lung tumor A549 cells growth through activation of c-Jun N-terminal kinase and inhibition of heat shock protein70 expression].

Wei sheng yan jiu = Journal of hygiene research·2008
Same author

Joint effects of arsenic and cadmium on plant growth and metal bioaccumulation: a potential Cd-hyperaccumulator and As-excluder Bidens pilosa L.

Journal of hazardous materials·2008
Same author

Impact of systemic blood pressure on the relationship between intraocular pressure and blood flow in the optic nerve head of nonhuman primates.

Investigative ophthalmology & visual science·2008
Same author

Diagnosis and treatment of pancreatic somatostatinoma: a case report.

Chinese medical journal·2008
Same author

Silencing of Hint1, a novel tumor suppressor gene, by promoter hypermethylation in hepatocellular carcinoma.

Cancer letters·2008
Same author

Disruption of the transcription factor recombination signal-binding protein-Jkappa (RBP-J) leads to veno-occlusive disease and interfered liver regeneration in mice.

Hepatology (Baltimore, Md.)·2008

Related Experiment Video

Updated: May 13, 2026

Trajectory Data Analyses for Pedestrian Space-time Activity Study
16:14

Trajectory Data Analyses for Pedestrian Space-time Activity Study

Published on: February 25, 2013

How human location-specific contact patterns impact spatial transmission between populations?

Lin Wang1, Zhen Wang, Yan Zhang

  • 1Adaptive Networks and Control Laboratory, Department of Electronic Engineering, Fudan University, Shanghai 200433, China.

Scientific Reports
|March 21, 2013
PubMed
Summary

Introducing location-specific human contact patterns into epidemic models significantly lowers the disease outbreak threshold. This research highlights how heterogeneous contact networks, driven by commuting and contagion, impact epidemic spread and prevalence.

More Related Videos

Microbiota of Attine Ants' Gardens: Visualizing a Microbial Landscape by Scanning Electron Microscopy
07:00

Microbiota of Attine Ants' Gardens: Visualizing a Microbial Landscape by Scanning Electron Microscopy

Published on: October 4, 2024

Conditions Affecting Social Space in Drosophila melanogaster
08:04

Conditions Affecting Social Space in Drosophila melanogaster

Published on: November 5, 2015

Related Experiment Videos

Last Updated: May 13, 2026

Trajectory Data Analyses for Pedestrian Space-time Activity Study
16:14

Trajectory Data Analyses for Pedestrian Space-time Activity Study

Published on: February 25, 2013

Microbiota of Attine Ants' Gardens: Visualizing a Microbial Landscape by Scanning Electron Microscopy
07:00

Microbiota of Attine Ants' Gardens: Visualizing a Microbial Landscape by Scanning Electron Microscopy

Published on: October 4, 2024

Conditions Affecting Social Space in Drosophila melanogaster
08:04

Conditions Affecting Social Space in Drosophila melanogaster

Published on: November 5, 2015

Area of Science:

  • Epidemiology
  • Mathematical Modeling
  • Public Health

Background:

  • Structured-population models are crucial for understanding epidemic spatial transmission.
  • Previous models often assumed homogeneous individual contact patterns, overlooking real-world complexities.
  • Recent evidence points to location-specific factors influencing human interactions and disease spread.

Purpose of the Study:

  • To investigate the impact of location-specific heterogeneous human contact patterns on epidemic thresholds.
  • To analyze how commuting and contagion processes interact within these heterogeneous networks.
  • To provide insights into disease outbreak dynamics influenced by non-uniform contact rates.

Main Methods:

  • Development of a phenomenological model incorporating two types of location-specific heterogeneous contact patterns.
  • Analysis of commuting and contagion processes within the structured population.
  • Mathematical investigation of epidemic threshold variations based on contact rate heterogeneity.

Main Results:

  • Heterogeneous contact patterns significantly decrease the epidemic threshold, favoring disease outbreaks.
  • In destination-driven scenarios, disease prevalence variance shows a monotonic relationship with contact rates.
  • In origin-driven scenarios, increased contact rates can paradoxically reduce disease prevalence in certain parameter ranges.

Conclusions:

  • Heterogeneity in human contact patterns, particularly location-specific ones, is a critical factor in epidemic dynamics.
  • The findings offer valuable support for public health strategies by revealing nuanced disease transmission mechanisms.
  • Understanding these complex contact patterns is essential for accurate epidemic forecasting and control.