Chinese volunteers receive injections of A/H1N1 influenza vaccines at a local disease control center in Taizhou City in east China's Jiangsu Province, July 24, 2009. A Chinese pharmaceutical firm, Hualan Biological Engineering Inc., began a two-month clinical test on the country's first batch of A/H1N1 influenza vaccines Wednesday with the help of more than 2,000 volunteers recruited in the city. | Location: Taizhou.
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