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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...
Viral Recombination00:57

Viral 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.
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,...
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...
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...
Fungal Phylum Microsporidia01:28

Fungal Phylum Microsporidia

Microsporidia are a group of obligate intracellular fungi that were initially classified as protists but were later reclassified based on phylogenetic, molecular, and structural evidence linking them to the Chytridiomycota. These unicellular, non-motile organisms are highly specialized parasites that infect a wide range of animal hosts, including humans. They have evolved extensive genomic and metabolic reductions, making them highly dependent on their hosts for survival.Morphology and Genomic...

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Related Experiment Video

Updated: Jun 4, 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

Rarer infectious diseases.

A R Ronald

    Canadian Family Physician Medecin De Famille Canadien
    |February 5, 2011
    PubMed
    Summary
    This summary is machine-generated.

    Physicians may overlook rare infectious diseases because they are not commonly considered. This paper details clinical features of six uncommon conditions to broaden diagnostic awareness.

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    Identification of Rare Bacterial Pathogens by 16S rRNA Gene Sequencing and MALDI-TOF MS
    06:34

    Identification of Rare Bacterial Pathogens by 16S rRNA Gene Sequencing and MALDI-TOF MS

    Published on: July 11, 2016

    Related Experiment Videos

    Last Updated: Jun 4, 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

    Identification of Rare Bacterial Pathogens by 16S rRNA Gene Sequencing and MALDI-TOF MS
    06:34

    Identification of Rare Bacterial Pathogens by 16S rRNA Gene Sequencing and MALDI-TOF MS

    Published on: July 11, 2016

    Area of Science:

    • Infectious Diseases
    • Clinical Medicine
    • Diagnostic Medicine

    Background:

    • Rare infectious diseases are often underdiagnosed because they are not typically considered in clinical practice.
    • Prompt diagnosis and treatment are crucial for managing rare infections and improving patient outcomes.

    Purpose of the Study:

    • To increase physician awareness of specific rare infectious diseases.
    • To provide a concise overview of the clinical presentations of selected uncommon conditions.

    Main Methods:

    • Review of clinical features of chancroid.
    • Description of brain abscess presentation.
    • Summary of chlamydial pneumonia in infancy.
    • Overview of mucocutaneous lymph node syndrome.
    • Discussion of bronchopulmonary aspergillosis.
    • Analysis of Lyme arthritis.

    Main Results:

    • Chancroid presents with specific genital ulcerations.
    • Brain abscesses manifest with neurological deficits and signs of infection.
    • Chlamydial pneumonia in infants shows characteristic respiratory symptoms.
    • Mucocutaneous lymph node syndrome involves fever, rash, and lymphadenopathy.
    • Bronchopulmonary aspergillosis can mimic other respiratory diseases.
    • Lyme arthritis is a late manifestation of Borrelia burgdorferi infection.

    Conclusions:

    • Expanding diagnostic considerations for rare infectious diseases is essential.
    • Familiarity with the clinical features of these conditions can aid in earlier diagnosis.
    • This review aims to equip clinicians with knowledge to identify and manage these uncommon infections effectively.