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总结
美国疾控中心（CDC）数据显示，本季流感活动仍在上升，累计病例至少1500万例，相关就诊与住院负担处于高位，官方判断流行可能尚未达到峰值。多州媒体与卫生部门警告所谓“超级流感”及新变异株可能延长流行季，宾夕法尼亚、新泽西等地出现明显激增。尽管部分监测指标近期有所回落，但总体仍属严重流感季，公众被建议接种疫苗并加强个人防护以降低传播与重症风险。
正文
Flu activity continues to climb in US with at least 15 million cases: CDC abcnews.go.com CDC says flu activity probably has not peaked amid record-breaking season CNN Ohio's bad flu season to get worse as 'super flu' spreads, state warns The Columbus Dispatch Flu activity spikes in Pennsylvania, New Jersey and Delaware as new variant threatens a longer season WHYY Some flu measures decrease, but no clear sign this severe season has peaked PBS
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