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Related Concept Videos

Infection01:20

Infection

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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...
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Pareto Chart00:52

Pareto Chart

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A Pareto chart is a bar graph or a combination of both line and bar graphs. The bar lengths represent the individual values or the frequency, while the lines represent the cumulative total values. In this chart, the longest bars are arranged on the left and the shortest bars on the right, which makes it easier to read and interpret the data. It can also be called a Pareto diagram or Pareto analysis.
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Principles of Disease Surveillance01:26

Principles of Disease Surveillance

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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...
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Single Nucleotide Polymorphisms-SNPs01:05

Single Nucleotide Polymorphisms-SNPs

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A single nucleotide polymorphism or SNP is a single nucleotide variation at a specific genomic position in a large population. It is the most prevalent type of sequence variation found in the human genome. Point mutations that occur in more than 1% of the population qualify as SNPs. These are present once every 1000 nucleotides on an average in the human genome. Replacement of a purine with another purine (A/G) or a pyrimidine with another pyrimidine (C/T) is known as a transition. In contrast,...
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Steps in Outbreak Investigation01:18

Steps in Outbreak Investigation

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In the ever-evolving field of public health, statistical analysis serves as a cornerstone for understanding and managing disease outbreaks. By leveraging various statistical tools, health professionals can predict potential outbreaks, analyze ongoing situations, and devise effective responses to mitigate impact. For that to happen, there are a few possible stages of the analysis:
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Transmission-based Precautions I: Contact, Enteric, and Droplets01:17

Transmission-based Precautions I: Contact, Enteric, and Droplets

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Transmission-based precautions are for patients known to be infected or suspected to be infected or colonized with organisms that pose a significant risk to others. Some transmission-based precautions include contact, enteric, and droplet.
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Author Spotlight: Advancements in Multiplex Detection of Respiratory Viruses
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Covid-19 goes global.

Debora MacKenzie

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    This summary is machine-generated.

    International outbreak containment may be impossible as a novel virus spreads rapidly across Italy and the Middle East. This situation highlights the urgent need for global health security measures.

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    Area of Science:

    • Epidemiology
    • Infectious disease transmission
    • Global health security

    Background:

    • The rapid international spread of a novel virus presents a significant global health challenge.
    • Early containment efforts may be failing due to widespread transmission in key regions.

    Purpose of the Study:

    • To assess the current status of a viral outbreak and its international spread.
    • To evaluate the effectiveness of containment strategies in light of observed transmission patterns.

    Main Methods:

    • Analysis of reported case data and geographical distribution.
    • Monitoring of international travel and public health responses.

    Main Results:

    • The virus has established significant transmission chains in Italy and the Middle East.
    • Evidence suggests that the window for limiting international spread may have closed.

    Conclusions:

    • The current outbreak likely represents a failure of international containment.
    • Urgent implementation of advanced public health interventions and global cooperation is critical to mitigate further spread.