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Related Concept Videos

Preventive Healthcare Services01:30

Preventive Healthcare Services

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:
Pulmonary Tuberculosis V01:28

Pulmonary Tuberculosis V

Medical management of tuberculosis (TB) patients involves a comprehensive approach that includes diagnosis, treatment, and monitoring. The specific strategies can vary depending on the type of tuberculosis (latent or active), the patient's overall health status, and other considerations.
Latent tuberculosis infection occurs when TB bacteria are present in a person's body, but are not causing illness or symptoms. It is not contagious, and preventive treatment is crucial to avoid the progression...
Transmission-based Precautions II: Airborne and Protective Environment01:25

Transmission-based Precautions II: Airborne and Protective Environment

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...
Levels of Health Promotion and Illness Prevention01:26

Levels of Health Promotion and Illness Prevention

Health promotion allows a person to control the determinants of health, resulting in an improved health status. It enhances the quality of life and reduces premature deaths. Health promotion and illness prevention programs help people make beneficial choices to reduce the risk of disease and disabilities. There are three health promotion and illness prevention levels: primary, secondary, and tertiary prevention.
In primary prevention, actions taken before disease onset prevent the disease from...
Transmission-based Precautions I: Contact, Enteric, and Droplets01:17

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

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...
Standard Precaution01:26

Standard Precaution

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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PRP as a New Approach to Prevent Infection: Preparation and In vitro Antimicrobial Properties of PRP
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Published on: April 9, 2013

Treatment as prevention: preparing the way.

Brian Williams1, Robin Wood, Victor Dukay

  • 1South African Centre for Epidemiological Modelling and Analysis (SACEMA), Stellenbosch, South Africa. BrianGerardWilliams@gmail.com

Journal of the International AIDS Society
|October 5, 2011
PubMed
Summary

Implementing early antiretroviral therapy (ART) for HIV treatment as prevention (TasP) could end the HIV epidemic. However, operational challenges must be addressed for widespread success and policy integration.

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Area of Science:

  • Public Health
  • Infectious Disease Epidemiology
  • HIV/AIDS Research

Background:

  • Antiretroviral therapy (ART) significantly reduces HIV-related mortality and morbidity.
  • Early ART initiation lowers viral load, suggesting potential for preventing HIV transmission.

Purpose of the Study:

  • To examine the feasibility, challenges, and necessary strategies for implementing HIV treatment as prevention (TasP).
  • To inform the design of large-scale trials and public health policies regarding early ART initiation.

Main Methods:

  • Review of existing literature and theoretical studies on ART and HIV transmission.
  • Analysis of operational challenges and potential strategies for TasP implementation.
  • Emphasis on the need for operational studies to assess practical feasibility.

Main Results:

  • While TasP is theoretically promising for HIV elimination, significant operational difficulties exist.
  • Community randomized controlled trials are needed to definitively assess the impact of early ART on HIV incidence.
  • Operational studies are crucial for understanding practical implementation before large-scale policy changes.

Conclusions:

  • Early and widespread ART, as TasP, holds potential for long-term HIV epidemic control.
  • Overcoming operational hurdles is critical for the successful implementation of TasP.
  • Further operational research is essential to guide public health policy and large-scale trial design for TasP.