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Related Concept Videos

Prevalence and Incidence01:08

Prevalence and Incidence

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In statistical epidemiology and health sciences, two essential metrics—prevalence and incidence—are fundamental for understanding disease dynamics within a population. These measures enable public health officials, epidemiologists, and researchers to assess the burden of diseases, allocate resources effectively, and design impactful public health policies and interventions.
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Healthcare Associated Infections II: Preventive Measures01:22

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Essential infection prevention measures are based on the knowledge of the infection chain, the modes of transmission in healthcare settings, and the use of the best practices in all healthcare settings. Compulsory public reporting of healthcare-associated infection rates is needed to allow individuals and the community to make informed choices regarding selecting a healthcare facility.
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Infection01:20

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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.
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Preparedness and Phobias01:09

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Human fear responses to certain stimuli, such as darkness, heights, deep water, and blood, can often arise despite the absence of direct negative experiences. This phenomenon is rooted in evolutionary psychology, which posits that humans have developed a predisposition to fear stimuli that historically posed significant survival threats. This predisposition, known as preparedness, suggests that early humans who developed a fear of potentially dangerous entities, such as venomous snakes and...
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Factors Affecting the Risk of Infection01:26

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The hosts' susceptibility to infection depends on several factors. The integrity of the skin and mucous membranes helps protect the body against microbial attacks. When the skin is altered, the chance of infection, limb loss, and even death increases.
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Infectious Diseases and Their Occurrence01:28

Infectious Diseases and Their Occurrence

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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...
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Related Experiment Video

Updated: Apr 1, 2026

A Method for Evaluating Insecticide Efficacy against Bed Bug, Cimex lectularius, Eggs and First Instars
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Prevalence, Knowledge, and Concern About Bed Bugs.

Mary Beth Kaylor, Paul Wenning, Christopher Eddy

    Journal of Environmental Health
    |October 3, 2015
    PubMed
    Summary
    This summary is machine-generated.

    Bed bug infestations are rising, but a pilot study in a higher-income Ohio village found lower prevalence than expected. This suggests bed bugs may disproportionately affect lower-income populations, warranting further research.

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    Area of Science:

    • Urban Entomology
    • Public Health Entomology
    • Pest Management

    Background:

    • Bed bug (Cimex lectularius) resurgence is a growing concern in the U.S.
    • Previous assumptions suggested socioeconomic status is unrelated to bed bug infestation prevalence.
    • Limited data exists on local-level bed bug prevalence within private residences.

    Purpose of the Study:

    • To assess the prevalence of bed bugs in a higher-income community.
    • To evaluate residents' knowledge and concerns regarding bed bugs.
    • To investigate potential socioeconomic disparities in bed bug infestations.

    Main Methods:

    • A pilot study employed survey methodology in a higher-income Ohio village.
    • 96 residents completed the 'Prevalence, Knowledge, and Concern About Bed Bugs' survey.
    • Data analysis focused on demographic information, infestation awareness, and behavioral changes.

    Main Results:

    • The study sample was predominantly white homeowners (95%).
    • Only 6% of respondents knew someone with bed bugs, and 52% expressed concern.
    • Observed bed bug prevalence was lower (not specified, but implied <20%) than general public rates, challenging prior assumptions.

    Conclusions:

    • The lower-than-expected prevalence in a higher-income area suggests bed bugs may disproportionately impact lower-income populations.
    • Findings indicate a need for further research across diverse socioeconomic strata.
    • Results highlight the importance of localized data in understanding pest distribution.