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总结
美国疾控中心（CDC）数据显示，美国麻疹确诊病例已突破2000例，达到30多年来最高水平。多家媒体称，部分州出现新增病例并引发对美国“消除麻疹”公共卫生目标受影响的担忧。以南卡罗来纳州为例，州卫生机构呼吁居民及时补种或更新疫苗；也有接种者在感染后公开经历，提示在免疫缺口、人群聚集与输入性传播背景下，疫情可能继续扩散并带来更严格的防控与医疗负担。
正文
US measles cases surpass 2,000, highest in 30 years: CDC ABC News U.S. measles cases reach highest level in over 30 years, CDC reports Axios State health agency urging South Carolina residents to get updated vaccines WIS News 10 Woman who got the measles vaccine speaks out after contracting illness WYFF News 4 More measles in South Carolina imperils U.S. elimination status NBC News
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