Beijing: Chinese scientists claimed to have successfully carried out the first phase of a clinical trial of an HIV vaccine and geared up to launch the second stage in a few months. Shao Yiming, chief expert of China`s National Centre for AIDS/STD Control and Prevention, told China Daily that the second phase of experiments on the vaccine, which has been approved by the national drug administration, "is likely to start in three or four months".
In 2005, Chinese scientists developed a new vaccine using the smallpox vaccine as a carrier. "The smallpox vaccine has a long history and wide application, so we chose it for its reliability and its higher immunogenic potential," Shao said. Clinical trials of the new vaccine started in 2007 and late last year it was proved to be able to induce an immune reaction in the cells of healthy people. "The smallpox vaccine has been used on hundreds of millions of people. All Chinese people under 25 have been vaccinated," said Shao, pointing out that this is a uniquecharacteristic among the "more than 100 ongoing experiments in the world". If the vaccine proves successful, it will have a huge impact on the nation`s HIV prevention policy, Shao said. PTI
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