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Updated: Aug 5, 2026

Comprehensive & Cost Effective Laboratory Monitoring of HIV/AIDS: an African Role Model
Published on: October 31, 2010
The HIV/AIDS pandemic: new ways of preventing infection in men
1Department of Obstetrics and Gynaecology, University of Melbourne, Victoria, Australia. r.short@unimelb.edu.au
Insights
Post-coital penile hygiene using acidic solutions may prevent HIV infection. Male circumcision shows a 2-7 fold protective effect against HIV and is recommended for public health.
Area of Science:
- Public Health
- Infectious Diseases
- Epidemiology
Background:
- HIV/AIDS is a major global health crisis, with 40 million infected by 2001.
- Heterosexual intercourse is the primary transmission route, particularly in Africa.
- Condom use is limited in some regions, necessitating alternative prevention strategies.
Purpose of the Study:
- To explore post-coital penile hygiene as an HIV prevention method.
- To evaluate the protective effect of male circumcision against HIV infection.
Main Methods:
- Investigated the potential of acidic solutions (lemon, lime, vinegar) for immediate post-coital viral inactivation.
- Reviewed studies demonstrating the efficacy of male circumcision in reducing HIV transmission.
Main Results:
- Acidic penile hygiene could potentially kill the Human Immunodeficiency Virus (HIV) immediately after intercourse.
- Male circumcision demonstrated a 2-7 fold reduction in HIV infection risk.
- Circumcision removes key sites for HIV entry on the penis.
Conclusions:
- Post-coital penile hygiene warrants urgent clinical trials for HIV prevention.
- Male circumcision offers significant protection against HIV and other infections, including human papillomavirus.
- Promoting male circumcision is advised in both developed and developing nations for public health benefits.
Abstract:
Nelson Mandela has recently said that HIV/AIDS is the greatest health crisis in human history. At the end of 2001, UNAIDS estimated that there were 40 million people living with the infection, with 5 million new cases, and 3 million deaths per year. About half the infected individuals are men, and heterosexual intercourse is the commonest route of infection. Although condoms remain the first line of defence, they are unpopular in parts of Africa, where the pandemic is worst, so an alternative is needed. Post-coital penile hygiene has received little attention. Wiping the glans penis and inner foreskin immediately after intercourse with an acidic solution like lemon or lime juice, or even vinegar, should immediately kill the virus and might prevent infection; clinical trials are urgently needed. Several studies in Africa and India have now conclusively demonstrated a 2-7-fold protective effect of male circumcision against HIV infection. Circumcision removes the inner foreskin and the frenulum, which are the prime sites of HIV entry into the penis. Since male circumcision also protects men from human papilloma virus infection, and their wives from cervical carcinoma, the procedure should be encouraged in developed and developing countries.
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