Students wait to receive H1N1 vaccine injections at a college in Taiyuan, Shanxi province October 28, 2009. China is experiencing a second round of H1N1 flu infections, as recent infections are more widespread and increasing rapidly, said Zeng Guang, chief epidemiologist at the Chinese Center for Disease Control and Prevention, according to Xinhua News Agency. REUTERS/Stringer (CHINA HEALTH SCI TECH SOCIETY) CHINA OUT. NO COMMERCIAL OR EDITORIAL SALES IN CHINA
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