Zoo steps up disinfection efforts
By Zheng Xin | China Daily | Updated: 2013-04-19 07:11
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A swan swims in a waterfowl pond within a protective wire fence at the Beijing Zoo on Thursday. Zheng Xin / China Daily |
Workers at Beijing Zoo have stepped up sterilization and supervision of the waterfowl area since the H7N9 bird flu outbreak.
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