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Related Concept Videos

Sexually Transmitted Infections01:26

Sexually Transmitted Infections

Sexually transmitted infections (STIs) are diseases transmitted primarily through unsafe sexual interactions. Bacteria, viruses, or parasites cause them and can result in severe health complications if untreated.ChlamydiaThe bacterium Chlamydia trachomatis is responsible for the disease Chlamydia, the most common STI in the United States. This peculiar pathogen requires human cells to reproduce, residing intracellularly. The initial infection often goes unnoticed because it typically does not...
Retrovirus Life Cycles01:10

Retrovirus Life Cycles

Retroviruses have a single-stranded RNA genome that undergoes a special form of replication. Once the retrovirus has entered the host cell, an enzyme called reverse transcriptase synthesizes double-stranded DNA from the retroviral RNA genome. This DNA copy of the genome is then integrated into the host’s genome inside the nucleus via an enzyme called integrase. Consequently, the retroviral genome is transcribed into RNA whenever the host’s genome is transcribed, allowing the retrovirus to...
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...
Healthcare Associated Infections II: Preventive Measures01:22

Healthcare Associated Infections II: Preventive Measures

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...
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:
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...

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Related Experiment Video

Updated: May 18, 2026

Rapid Screening of HIV Reverse Transcriptase and Integrase Inhibitors
05:46

Rapid Screening of HIV Reverse Transcriptase and Integrase Inhibitors

Published on: April 9, 2014

[HIV test and prevention].

A Bickel1, P Vernazza

  • 1Kantonsspital St. Gallen, Rorschacherstr. 95, 9007, St. Gallen, Schweiz.

Der Internist
|September 19, 2012
PubMed
Summary
This summary is machine-generated.

Early HIV testing is key to preventing new transmissions. Prompt diagnosis and counseling encourage behavioral changes, helping to curb the spread of the human immunodeficiency virus (HIV) epidemic.

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Last Updated: May 18, 2026

Rapid Screening of HIV Reverse Transcriptase and Integrase Inhibitors
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Humanized NOG Mice for Intravaginal HIV Exposure and Treatment of HIV Infection

Published on: January 31, 2020

Area of Science:

  • Public Health
  • Epidemiology
  • Infectious Disease Prevention

Context:

  • The human immunodeficiency virus (HIV) epidemic continues to pose a global health challenge, particularly affecting young populations.
  • While AIDS mortality has significantly decreased, the long-term management costs for HIV are rising due to increased lifespans of infected individuals.
  • Focusing on prevention strategies is crucial for managing the epidemic's trajectory and associated healthcare expenditures.

Purpose:

  • To evaluate the impact of targeted human immunodeficiency virus (HIV) testing strategies on epidemic control.
  • To highlight the significance of early diagnosis in managing and preventing the transmission of HIV.
  • To explore how early intervention can lead to behavioral modifications that reduce new infections.

Summary:

  • Early diagnosis of primary HIV infection in routine settings is a critical intervention point.
  • Counseling following early HIV diagnosis facilitates behavioral changes among individuals.
  • These behavioral modifications are essential for preventing further transmission of the virus and controlling the epidemic.

Impact:

  • Targeted HIV testing can effectively influence the course of the HIV epidemic.
  • Early detection and intervention strategies can reduce the incidence of new HIV infections.
  • Implementing widespread early HIV testing can contribute to the long-term goal of HIV epidemic prevention.