Ahead of World AIDS Day on December 1, a series of commentaries in this week’s issue of THE LANCET outline the current and future priorities in the global effort to curb the HIV/AIDS pandemic.
The first commentary is a call to action for a renewed public-health strategy to prevent sexually transmitted HIV. Against a background of twenty years of debate over the value of different behaviour-change approaches, authors Daniel Halperin (University of California San Francisco, USA) and colleagues outline evidence-based objectives for the various populations at risk: an emphasis on abstinence for young people not yet sexually active, the importance of fidelity and consistent condom use for people already sexually active; and programmes and policies aimed at reducing the number of sexual partners and promoting correct and consistent condom use in high-risk groups. The commentary is a consensus statement signed by over 140 HIV/AIDS experts from 36 countries, and includes such notable endorsers as Archbishop Desmond Tutu, President Museveni of Uganda, Special UN Envoy Stephen Lewis, and representatives from the World Bank, Global Fund for AIDS/TB/Malaria, and five UN agencies, the heads of the HIV-AIDS programs in several countries including Ethiopia, India, Jamaica and Uganda, as well as prominent technical, religious and other organizations working on HIV-AIDS. The commentary concludes: ‘The time has come to leave behind divisive polarisation and to move forward together in designing and implementing evidence-based prevention programmes to help reduce the millions of new infections occurring each year.’
With an estimated 5 million new HIV infections worldwide in 2003, the context in which people are vulnerable to HIV infection is discussed by Catherine Hankins (UNAIDS, Geneva, Switzerland). The commentary outlines how changing the social, legal, and economic environments in many populations—especially among women and children in developing countries—is critical if any future public-health interventions to reduce HIV transmission are to be successful.
Richard Lane | alfa
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Founded in 1989 as a spin-off of ACHEMA to cater to the needs of China’s then developing industry, AchemAsia has since grown into a platform where the latest...
The BMBF-funded OWICELLS project was successfully completed with a final presentation at the BMW plant in Munich. The presentation demonstrated a Li-Fi communication with a mobile robot, while the robot carried out usual production processes (welding, moving and testing parts) in a 5x5m² production cell. The robust, optical wireless transmission is based on spatial diversity; in other words, data is sent and received simultaneously by several LEDs and several photodiodes. The system can transmit data at more than 100 Mbit/s and five milliseconds latency.
Modern production technologies in the automobile industry must become more flexible in order to fulfil individual customer requirements.
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Water molecules exist in two different forms with almost identical physical properties. For the first time, researchers have succeeded in separating the two forms to show that they can exhibit different chemical reactivities. These results were reported by researchers from the University of Basel and their colleagues in Hamburg in the scientific journal Nature Communications.
From a chemical perspective, water is a molecule in which a single oxygen atom is linked to two hydrogen atoms. It is less well known that water exists in two...
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