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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...
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,...
Skin Diseases and Disorders01:23

Skin Diseases and Disorders

Skin is the first line of defense and encounters a variety of microbes. Some pathogenic strains are often the cause of a broad range of infections of the skin and other body systems. These conditions can affect people of all ages and may have different causes, including genetic factors, infections, autoimmune reactions, environmental factors, and lifestyle choices.
Gram-positive Staphylococcus spp. and Streptococcus spp. are responsible for many of the most common skin infections. However, many...
Immunodeficiency Diseases01:25

Immunodeficiency Diseases

Immunodeficiency disorders are conditions in which the immune system's ability to fight infectious disease and cancer is compromised or entirely absent. The immune system comprises a complex network of cells, tissues, and organs that work together to protect the body from potentially harmful invaders. When this system is deficient or not functioning properly, it leaves the body susceptible to infections, diseases, or other complications.
There are three main causes of immunodeficiency disorders...
Healthcare Associated Infections I: Iatrogenic, Exogenic and Endogenic01:26

Healthcare Associated Infections I: Iatrogenic, Exogenic and Endogenic

Healthcare-associated infections (HAIs) occur in a healthcare facility while a person receives care for another ailment. This category also includes work-related infections among healthcare staff.
HAIs significantly increase the cost of health care. Extended stays in healthcare institutions, increased disability, increased costs of medications, including specialized antibiotics, and prolonged recovery times add to the patient's expenses and the healthcare institution and funding bodies. Common...

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Following in Real Time the Impact of Pneumococcal Virulence Factors in an Acute Mouse Pneumonia Model Using Bioluminescent Bacteria
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Following in Real Time the Impact of Pneumococcal Virulence Factors in an Acute Mouse Pneumonia Model Using Bioluminescent Bacteria

Published on: February 23, 2014

Infectious diseases.

Betsy Foxman1

  • 1University of Michigan School of Public Health, Ann Arbor, Michigan, USA. bfoxman@umich.edu

IARC Scientific Publications
|September 25, 2012
PubMed
Summary
This summary is machine-generated.

Molecular tools significantly advance infectious disease epidemiology by revealing transmission dynamics and aiding in outbreak investigations. These methods are crucial for developing effective prevention and control strategies.

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Area of Science:

  • Epidemiology
  • Infectious Diseases
  • Molecular Biology

Background:

  • Molecular tools have revolutionized the study of infectious diseases.
  • Understanding disease transmission, pathogenesis, and reservoirs is critical for public health.

Purpose of the Study:

  • To highlight the impact of molecular tools on infectious disease epidemiology.
  • To demonstrate the integration of molecular techniques with traditional epidemiologic methods.

Main Methods:

  • Review of applications of molecular fingerprinting in public health.
  • Analysis of molecular tools in clinical diagnostics and etiologic studies.
  • Integration of molecular data with epidemiologic study designs.

Main Results:

  • Molecular tools identify novel transmission modes, reservoirs, and infectious agents.
  • Objective confirmation of epidemiologic evidence and distinction of case clusters.
  • Rapid detection of agents, prediction of disease course, and identification of chronic disease causes.
  • Identification of host and agent factors influencing disease risk.

Conclusions:

  • The integration of molecular tools with epidemiology provides essential data for guiding clinical treatment and public health programs.
  • Incorporating molecular tools impacts study design, conduct, and analysis in infectious disease epidemiology.