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中疾控回应：“人传人”早有推论，保守下结论有原因
source link: https://tech.sina.com.cn/d/f/2020-01-31/doc-iimxxste7892625.shtml
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对疾病的认识有个过程，它不会一开始就展露全貌，公布信息要谨慎。
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