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美国农业部流行病学家布瑞纳最近研究表明,有些人在接触猫后发生过敏反应并非因为猫引起,而是由猫身上的跳蚤引起。
A recent study by epidemic scientist Brenna of the U.S. Department of Agriculture shows that some people develop an allergic reaction to cats not caused by cats but by fleas on cats.