Related Experiment Video

Updated: Aug 11, 2026

Genotypic Inference of HIV-1 Tropism Using Population-based Sequencing of V3
11:10

Genotypic Inference of HIV-1 Tropism Using Population-based Sequencing of V3

Published on: December 27, 2010

[Vertical transmission of HIV: descriptive epidemiology, risk factors and survival (II)]

E Sánchez Ruiz1, J Casabona Bárbara, C Fortuny Guasch

  • 1Departament de Sanitat, Generalitat de Catalunya, Barcelona.

Anales Espanoles De Pediatria
|December 1, 1992
PubMed

Insights

The study found a 31.1% human immunodeficiency virus (HIV) transmission rate from infected mothers to their children. Early diagnosis and understanding risk factors are crucial for improving survival rates in pediatric HIV.

Area of Science:

  • Pediatric infectious diseases
  • Epidemiology of HIV/AIDS
  • Vertical transmission of viruses

Context:

  • HIV transmission from mother to child is a significant global health concern.
  • Understanding transmission rates and survival is vital for intervention strategies.
  • This study followed children born to HIV-positive mothers until November 1990.

Purpose:

  • To determine the vertical transmission rate of HIV.
  • To analyze the survival of infected children.
  • To identify risk factors associated with pediatric HIV infection.

Summary:

  • A cohort of 415 children born to HIV-positive mothers was analyzed.
  • The definite transmission rate was 31.1% (82 infected out of 264 classified).
  • Maternal infection routes were primarily intravenous drug use and sexual contact; median incubation was 285 days, with a 22% estimated fatality rate.

Impact:

  • Identified a significant vertical transmission rate of 31.1%.
  • Highlighted the importance of early diagnosis and risk factor assessment in pediatric HIV.
  • Provided data on survival and fatality rates, informing prognosis and care.

More Related Videos

Amplifying and Quantifying HIV-1 RNA in HIV Infected Individuals with Viral Loads Below the Limit of Detection by Standard Clinical Assays13:58

Amplifying and Quantifying HIV-1 RNA in HIV Infected Individuals with Viral Loads Below the Limit of Detection by Standard Clinical Assays

Published on: September 26, 2011

Oral Combinational Antiretroviral Treatment in HIV-1 Infected Humanized Mice06:07

Oral Combinational Antiretroviral Treatment in HIV-1 Infected Humanized Mice

Published on: October 6, 2022

Related Concept Videos

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...
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...
Pulmonary Tuberculosis I01:29

Pulmonary Tuberculosis I

Tuberculosis, often called TB, is a contagious illness primarily caused by Mycobacterium tuberculosis. It mainly affects the lung parenchyma but can also impact other body parts.
Causative Organism
The primary infectious agent causing tuberculosis is Mycobacterium tuberculosis, a slow-growing, acid-fast, aerobic rod that exhibits sensitivity to heat and ultraviolet light. Instances of Mycobacterium bovis and Mycobacterium avium contributing to the development of TB infection are rare.
Mode of...
Transmission of Pathogens01:24

Transmission of Pathogens

Pathogens spread from their reservoirs to susceptible hosts through three main routes: contact transmission, vehicle transmission, and vector transmission. Each route involves distinct mechanisms of transfer.Contact TransmissionThis category includes direct contact, indirect contact, and droplet transmission:Direct contact involves immediate physical interaction between individuals—such as a handshake—which can spread pathogens like Streptococcus pyogenes, the bacterium responsible for...
Genital Herpes01:23

Genital Herpes

Genital herpes is a sexually transmitted infection primarily caused by herpes simplex virus type 2 (HSV-2), though herpes simplex virus type 1 (HSV-1) is increasingly implicated in genital infections, particularly among younger populations. Transmission occurs mainly through sexual contact, with asymptomatic viral shedding serving as a major route of spread. This characteristic makes HSV-2 difficult to control at a population level, as individuals may unknowingly transmit the virus even in the...
Amebiasis01:28

Amebiasis

Entamoeba histolytica, a protozoan parasite, is responsible for intestinal and extraintestinal amebiasis. Though a significant proportion of infections remain asymptomatic, approximately 50 million individuals annually are estimated to present with clinical disease, resulting in up to 100,000 deaths globally. The disease burden is disproportionately high in regions with lower socioeconomic status, such as parts of India, Africa, Mexico, and Latin America.Etiology and TransmissionThe infective...