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"/> 搜狐全球医讯 | 美国呼吸道病毒感染放缓,诺如感染呈上升趋势_搜狐网

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搜狐全球医讯 | 美国呼吸道病毒感染放缓,诺如感染呈上升趋势

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作者 | 周亦川

编辑 | 袁月

天气回暖,传染病季节是否结束?美国当前状态可提供参考:流感与新冠已经放缓,但诺如感染呈上升趋势。

美国疾控数据显示,截至上周,美国大部分地区流感、新冠发病呈下降或不确定趋势,而住院率为12月底的30%至50%。专家称,尽管住院风险较去年同期更低,但流感季仍有不可预测性,暴发风险可能持续至5月。因此各类自我保护措施仍需加强,高风险人群打流感疫苗仍然不晚。

来源 / upsplash

另一方面,美国诺如病毒阳性检出率达12%,东北部超过13%。

诺如感染是急性胃肠炎重要因素之一,高发于疗养院、日托中心等拥挤环境。病毒通过接触或食用被污染的食物污染,此前FDA刚刚对部分地区的生蚝提出诺如污染的警告。

诺如感染常见症状包括腹泻、呕吐、恶心和胃痛,它没有特效药,多喝水避免脱水即可。在患者症状消退后两周或更长时间仍有传播性,因此勤洗手,瓜果蔬菜洗净,贝类彻底煮熟,是预防最佳策略。

每年3月是诺如感染高发期,我国中小学生刚刚返校,学校等重点场所诺如防控尤为重要。

发布于:北京市