In April and May 2003, the strange, new virus of SARS, which is not yet fully understood, fiercely spread throughout Beijing. Thanks to health workers' efforts, the epidemic is now under control. At 3...
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In April and May 2003, the strange, new virus of SARS, which is not yet fully understood, fiercely spread throughout Beijing. Thanks to health workers' efforts, the epidemic is now under control. At 3...