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冬春季是流感的高发季节。范女士害怕自己传染甲流,但是又不知道什么是甲流。她特意来到疾病预防控制中心,向专业人士请教什么是甲流。从事防疫的医师告诉她——
Winter and spring are the high season of flu. Ms. Fan afraid of their own contagious a stream, but do not know what is a stream. She specifically came to the CDC to ask professionals what is a flow. The doctor engaged in epidemic prevention told her -