近日，美国南卡罗来纳州爆发麻疹疫情，短短5天内新增确诊病例达88例，引发公共卫生部门高度关注。麻疹是一种由麻疹病毒引起的高传染性疾病，主要通过空气飞沫传播，典型症状包括高烧、咳嗽、流涕、结膜炎以及全身性皮疹。未接种疫苗或免疫力低下的人群尤其容易感染。据当地卫生部门通报，此次疫情最初在一所学校被发现，随后迅速扩散至周边社区。初步调查显示，多数病例患者未完成麻疹-腮腺炎-风疹（MMR）疫苗的全程接种。卫生官员强调，MMR疫苗是预防麻疹最有效的方式，两剂接种可提供约97%的保护效力。目前，南卡州已启动应急响应机制，包括加强病例追踪、隔离感染者、开展社区疫苗接种宣传等措施。卫生部门呼吁公众，特别是家长，尽快确认自身及子女的疫苗接种情况，如有遗漏应立即补种。同时，出现疑似症状者应避免前往公共场所，并及时就医。专家提醒，麻疹虽在全球部分地区已基本消除，但在疫苗接种率下降的地区仍可能卷土重来。此次南卡疫情再次凸显了维持高疫苗覆盖率对群体免疫的重要性。
A measles outbreak has recently erupted in South Carolina, USA, with 88 new confirmed cases reported in just five days, prompting heightened concern from public health authorities. Measles is a highly contagious disease caused by the measles virus, primarily spread through airborne droplets. Typical symptoms include high fever, cough, runny nose, conjunctivitis, and a characteristic full-body rash. Individuals who are unvaccinated or immunocompromised are especially vulnerable.According to local health officials, the outbreak was first detected at a school and quickly spread to surrounding communities. Preliminary investigations indicate that most affected individuals had not completed the full two-dose series of the measles-mumps-rubella (MMR) vaccine. Health authorities stress that the MMR vaccine is the most effective way to prevent measles, offering approximately 97% protection after two doses.South Carolina has activated an emergency response, including enhanced case tracking, isolation of infected individuals, and community outreach to promote vaccination. Officials urge the public—especially parents—to verify their own and their children’s vaccination status and get any missing doses immediately. Anyone experiencing symptoms is advised to avoid public places and seek medical care promptly.Experts warn that while measles has been largely eliminated in many parts of the world, it can resurge in areas with declining vaccination rates. This outbreak underscores the critical importance of maintaining high vaccine coverage to sustain herd immunity.
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