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总结
美国疾控中心（CDC）通报，2025年美国报告麻疹病例已超过2000例，创30多年来最高水平，并在至少三个州出现持续性暴发。报道指出，病例增加主要由局部聚集性传播叠加疫苗接种覆盖不足所致。疫情扩散被认为可能威胁美国既有的“消除麻疹”公共卫生地位，促使地方卫生部门加强病例监测、接触者追踪与免疫补种等应对措施。
正文
Measles cases reach highest level in 30 years: CDC NewsNation More than 2,000 measles cases reported in the US in 2025 as ongoing outbreaks threaten elimination status CNN US adds 53 more measles cases to total, largely fueled by outbreaks in 3 states CIDRAP U.S. measles cases reach highest level in over 30 years, CDC reports Axios The year measles came back Vox
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