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| Expert: Time needed for vaccine |
| CCTV.COM 2003-04-24 13:04:32 |
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China's most authoritative expert on SARS says it won't be easy to produce a vaccine for the disease in the short－term. The head of a Guangzhou medical research group, Zhong Nanshan, believes the unpredictable characteristics of the coronavirus add to the complexity of the task.
Zhong Nanshan, director of Guangzhou Respiratory Disease Research Institute, said: "It should be less than 3 years. The point is this subtype of coronavirus keeps changing from time to time. So it's quite difficult to find a really good vaccine, especially for the subtype of coronavirus. I suppose it will take longer time. It keeps changing from time to time. In particular, after our geno－squencing analysis. They always change. How can you make a vaccine for a virus that always changes？ We have to make a lot of predictions and see in which direction it will change and make vaccines available for that."
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Editor: Zhao Xuan CCTV.com
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