Related Experiment Video

Updated: Aug 14, 2026

Comprehensive & Cost Effective Laboratory Monitoring of HIV/AIDS: an African Role Model
23:56

Comprehensive & Cost Effective Laboratory Monitoring of HIV/AIDS: an African Role Model

Published on: October 31, 2010

Male circumcision and HIV infection in four cities in sub-Saharan Africa

B Auvert1, A Buvé, E Lagarde

  • 1INSERM U88, AP-HP, A-Paré, France. bertran.auvert@paris-ouest.univ-paris5.fr

AIDS (London, England)
|November 1, 2001
PubMed

Insights

Male circumcision significantly reduces HIV transmission risk in sub-Saharan Africa. This study found a strong association between lack of male circumcision and higher HIV prevalence at both population and individual levels.

Area of Science:

  • Epidemiology
  • Public Health
  • Infectious Diseases

Background:

  • HIV (Human Immunodeficiency Virus) remains a significant public health challenge in sub-Saharan Africa.
  • Understanding factors influencing HIV transmission is crucial for effective prevention strategies.

Purpose of the Study:

  • To investigate the association between male circumcision and HIV infection rates.
  • To explore this relationship in urban populations across sub-Saharan Africa with varying HIV prevalence.

Main Methods:

  • A cross-sectional, population-based study was conducted in four sub-Saharan African cities.
  • Data included sociodemographic information, sexual behavior, and HIV testing for adults aged 15-49.
  • Genital examinations were performed on men.

Main Results:

  • In Kisumu, Kenya, HIV prevalence was 9.9% in circumcised men versus 26.6% in uncircumcised men, showing a protective effect (adjusted OR 0.26).
  • In Ndola, Zambia, no significant difference in HIV prevalence was observed between circumcised (25.0%) and uncircumcised (26.0%) men.
  • High circumcision rates (99%) were observed in low HIV prevalence cities (Cotonou, Benin; Yaoundé, Cameroon).

Conclusions:

  • Male circumcision is a factor influencing HIV transmission during sexual intercourse.
  • The study confirms a population-level association between HIV and lack of male circumcision.
  • A strong individual-level association was observed in Kisumu, highlighting its protective role.
Abstract

More Related Videos

A Restriction Enzyme Based Cloning Method to Assess the In vitro Replication Capacity of HIV-1 Subtype C Gag-MJ4 Chimeric Viruses14:23

A Restriction Enzyme Based Cloning Method to Assess the In vitro Replication Capacity of HIV-1 Subtype C Gag-MJ4 Chimeric Viruses

Published on: August 31, 2014

Collection, Isolation, and Flow Cytometric Analysis of Human Endocervical Samples12:34

Collection, Isolation, and Flow Cytometric Analysis of Human Endocervical Samples

Published on: July 6, 2014

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...
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...
Cryptococcal Meningitis01:27

Cryptococcal Meningitis

Cryptococcal meningitis is a life-threatening opportunistic infection predominantly associated with HIV/AIDS, accounting for over 100,000 deaths annually worldwide. However, it also affects individuals with other forms of immunosuppression, including those undergoing immunosuppressive therapy, organ transplant recipients, patients with innate immunodeficiencies, and individuals with hematological disorders. The infection is caused mainly by Cryptococcus neoformans and Cryptococcus gattii,...
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...