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Related Concept Videos

Healthcare Associated Infections II: Preventive Measures01:22

Healthcare Associated Infections II: Preventive Measures

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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.
The best practices for preventing healthcare-associated infections include hand hygiene, patient risk...
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Transmission-based Precautions I: Contact, Enteric, and Droplets01:17

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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.
Contact Precautions:
Contact precautions are the measures taken to prevent the transmission of infectious agents, especially epidemiologically important microorganisms such as MRSA or influenza, primarily transmitted through direct or indirect contact with an...
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Standard Precaution01:26

Standard Precaution

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Standard precautions are the minimum infection control safeguards used while caring for all patients, irrespective of their disease condition. They help prevent the spread of common infectious microorganisms to healthcare workers, patients, and visitors in all healthcare settings.
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Transmission-based Precautions II: Airborne and Protective Environment01:25

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Transmission-based precautions are for patients infected or suspected to be infected (or colonized) with organisms posing a significant risk to others. The transmission precautions include airborne and protective environment precautions.
Airborne precautions:
Use airborne precautions when treating patients known or suspected to have diseases that spread through the air—for example, tuberculosis or measles. These organisms are present in smaller droplets expelled by an infected person and...
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Preventive Healthcare Services01:30

Preventive Healthcare Services

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Preventive healthcare services keep people healthy via frequent check-ups, screening, and counseling. They primarily aid in disease prevention rather than treating an acute or chronic illness. Preventive treatment also keeps individuals productive and energetic, allowing them to work well into their retirement years. Examples of preventive care services include:
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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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Updated: Mar 31, 2026

Protocol for Dengue Infections in Mosquitoes A. aegypti and Infection Phenotype Determination
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Dengue Knowledge and Preventive Practices in Iquitos, Peru.

Valerie A Paz-Soldán, Amy C Morrison, Jhonny J Cordova Lopez

    The American Journal of Tropical Medicine and Hygiene
    |October 28, 2015
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    Summary

    Dengue prevention knowledge in Iquitos, Peru, is limited, especially regarding daytime mosquito biting. Improving public education on dengue transmission and control practices is crucial for effective prevention strategies.

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    Area of Science:

    • Public Health
    • Vector-borne Disease Epidemiology
    • Environmental Health

    Background:

    • Dengue is a significant public health concern in Iquitos, Peru, with ongoing transmission.
    • Despite routine public health interventions, understanding of dengue transmission and prevention remains suboptimal.
    • Insecticide-treated curtains were evaluated as a dengue prevention tool.

    Purpose of the Study:

    • To assess knowledge and reported practices related to dengue and its prevention among residents of Iquitos, Peru.
    • To identify factors associated with dengue knowledge and preventive practices.
    • To inform targeted public health education strategies for dengue control.

    Main Methods:

    • A cluster-randomized trial setting in Iquitos, Peru.
    • Survey of 1,333 participants on dengue knowledge and practices.
    • Entomological data from 1,133 households linked to survey data.
    • Analysis of associations between education, socioeconomic status, and dengue knowledge/practices.

    Main Results:

    • High awareness of mosquito bite transmission (85.6%) but low awareness of daytime vector activity (18.6%).
    • Commonly recognized symptoms include fever, headache, and muscle/joint pain.
    • Reported effective practices: home cleaning (61.6%), insecticide sprays (23%), avoiding standing water (12.3%).
    • Higher education correlated with better dengue knowledge; higher socioeconomic status with increased spending on prevention.
    • Fewer Aedes aegypti immature stages found in households with young children.

    Conclusions:

    • Knowledge gaps persist regarding dengue transmission dynamics and effective prevention methods in Iquitos.
    • Socioeconomic factors influence the adoption of certain preventive measures.
    • Enhanced, targeted health education is necessary to improve community-level dengue prevention.