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Related Concept Videos

Immunodeficiency Diseases01:25

Immunodeficiency Diseases

Immunodeficiency disorders are conditions in which the immune system's ability to fight infectious disease and cancer is compromised or entirely absent. The immune system comprises a complex network of cells, tissues, and organs that work together to protect the body from potentially harmful invaders. When this system is deficient or not functioning properly, it leaves the body susceptible to infections, diseases, or other complications.
There are three main causes of immunodeficiency disorders...
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...
Cytomegalovirus Disease01:27

Cytomegalovirus Disease

Cytomegalovirus (CMV) disease is caused by human cytomegalovirus, a double-stranded DNA virus of the Herpesviridae family. While primary CMV infection is often asymptomatic in immunocompetent individuals, the virus can cause severe disease in neonates and immunocompromised patients. CMV is the most common cause of congenital viral infection in the United States, and a major pathogen in solid organ and hematopoietic stem cell transplant recipients.CMV is transmitted via bodily fluids, sexual...
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...
Immune Response Against Viral Pathogens01:29

Immune Response Against Viral Pathogens

The immune system's response to viral infections is a complex and coordinated process involving natural killer (NK) cells, T cell-mediated responses, and antibody-mediated responses.
NK Cells
NK cells are a crucial part of our innate immune system, acting as the first line of defense against viral infections. These cells can recognize and kill infected cells without prior exposure to the virus, effectively slowing down the spread of infection. Additionally, NK cells produce proinflammatory...

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Related Experiment Video

Updated: May 17, 2026

Chronic, Acute, and Reactivated HIV Infection in Humanized Immunodeficient Mouse Models
09:54

Chronic, Acute, and Reactivated HIV Infection in Humanized Immunodeficient Mouse Models

Published on: December 3, 2019

Acute human immunodeficiency virus infection.

Lauren E Richey1, Jason Halperin

  • 1Adult Infectious Diseases Section, Tulane University Medical Center, New Orleans, LA 70112, USA. lrichey@tulane.edu

The American Journal of the Medical Sciences
|October 26, 2012
PubMed
Summary

Acute human immunodeficiency virus (HIV) infection presents a wide clinical spectrum, often missed in primary care. Early diagnosis is crucial for patient care and public health, guiding treatment and prevention efforts.

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Ex Vivo Infection of Human Lymphoid Tissue and Female Genital Mucosa with Human Immunodeficiency Virus 1 and Histoculture

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Humanized NOD/SCID/IL2rγnull (hu-NSG) Mouse Model for HIV Replication and Latency Studies
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Humanized NOD/SCID/IL2rγnull (hu-NSG) Mouse Model for HIV Replication and Latency Studies

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Chronic, Acute, and Reactivated HIV Infection in Humanized Immunodeficient Mouse Models
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Chronic, Acute, and Reactivated HIV Infection in Humanized Immunodeficient Mouse Models

Published on: December 3, 2019

Ex Vivo Infection of Human Lymphoid Tissue and Female Genital Mucosa with Human Immunodeficiency Virus 1 and Histoculture
11:14

Ex Vivo Infection of Human Lymphoid Tissue and Female Genital Mucosa with Human Immunodeficiency Virus 1 and Histoculture

Published on: October 12, 2018

Humanized NOD/SCID/IL2rγnull (hu-NSG) Mouse Model for HIV Replication and Latency Studies
07:10

Humanized NOD/SCID/IL2rγnull (hu-NSG) Mouse Model for HIV Replication and Latency Studies

Published on: January 7, 2019

Area of Science:

  • Infectious Diseases
  • Virology
  • Public Health

Background:

  • Acute human immunodeficiency virus (HIV) infection is a common clinical syndrome.
  • The clinical presentation can range from asymptomatic to severe illness.
  • This syndrome is frequently underdiagnosed in clinical settings.

Purpose of the Study:

  • To enhance awareness of acute HIV infection among healthcare providers.
  • To serve as a reference for primary care physicians regarding acute HIV.
  • To highlight the importance of diagnosing acute HIV for patient and public health.

Main Methods:

  • Review of epidemiology of acute HIV.
  • Analysis of pathophysiology of acute HIV.
  • Summary of clinical presentation, diagnosis, and treatment of acute HIV.

Main Results:

  • Acute HIV infection encompasses a broad clinical spectrum.
  • The condition is often overlooked in routine clinical practice.
  • Timely diagnosis is essential for effective management.

Conclusions:

  • Increased clinical suspicion for acute HIV is warranted.
  • Primary care providers play a vital role in early detection.
  • Diagnosis impacts individual patient outcomes and broader public health strategies.