武汉市尚未检出XBB.1.5和BQ.1变异株！疾控专家最新提醒，事关春节
<p style="margin-top: 1em; margin-bottom: 1em; padding: 0px; color: rgb(51, 51, 51); font-family: Open Sans, Arial, Hiragino Sans GB, STHeiti, WenQuanYi Micro Hei, Microsoft YaHei UI, 微软雅黑, SimSun, sans-serif; white-space: normal; background-color: rgb(255, 255, 255); line-height: 1.33; font-size: 18px; text-indent: 2em; text-align: center;"></p><p style="margin-top: 1em; margin-bottom: 1em; padding: 0px; color: rgb(51, 51, 51); font-family: Open Sans, Arial, Hiragino Sans GB, STHeiti, WenQuanYi Micro Hei, Microsoft YaHei UI, 微软雅黑, SimSun, sans-serif; white-space: normal; background-color: rgb(255, 255, 255); font-size: 18px; text-indent: 2em; text-align: justify; line-height: 2em;"><span style="font-size: 16px;">近期，XBB毒株引发广泛关注。如果国外正在流行的XBB奥密克戎变异株来了怎么办？长江日报记者1月4日独家采访了武汉市疾控中心传染病防制所所长杨小兵。</span></p><p style="margin-top: 1em; margin-bottom: 1em; padding: 0px; color: rgb(51, 51, 51); font-family: Open Sans, Arial, Hiragino Sans GB, STHeiti, WenQuanYi Micro Hei, Microsoft YaHei UI, 微软雅黑, SimSun, sans-serif; white-space: normal; background-color: rgb(255, 255, 255); font-size: 18px; text-indent: 2em; text-align: justify; line-height: 2em;"><span style="font-size: 16px;">杨小兵介绍，自新冠疫情防控政策优化调整以来，武汉市疾控中心按国家、省、市监测方案要求，持续对哨点医院门诊、住院患者开展新冠病毒全基因组测序工作，实时掌握病毒株变异趋势。监测数据显示，2022年12月1日—31日，武汉市本土新冠病毒感染者标本测序结果均为奥密克戎BA.5.2变异株；2023年1月1日，在哨点医院送检的标本中检出1例奥密克戎BF.7变异株。截至目前，武汉市尚未检出XBB.1.5和BQ.1变异株。</span></p><p style="margin-top: 1em; margin-bottom: 1em; padding: 0px; color: rgb(51, 51, 51); font-family: Open Sans, Arial, Hiragino Sans GB, STHeiti, WenQuanYi Micro Hei, Microsoft YaHei UI, 微软雅黑, SimSun, sans-serif; white-space: normal; background-color: rgb(255, 255, 255); font-size: 18px; text-indent: 2em; text-align: justify; line-height: 2em;"><span style="font-size: 16px;">春节期间，返乡探亲人员流动加大，有些“阳康”的市民担心，自己发生再次感染。杨小兵介绍，免疫功能正常的人群，在短时间内再次感染其他奥密克戎变异株的可能性比较小。因为，感染过新冠病毒后，免疫功能正常的人群，体内对新冠病毒都会产生一定的抵抗力。所以，健康状况良好、免疫功能正常的人群不必过多担心春节期间因人员流动而导致再次感染。但是，春节期间，正值冬春呼吸道传染病高发季节，呼吁大家戴好口罩，勤洗手、多通风、少聚集。</span></p><p style="margin-top: 1em; margin-bottom: 1em; padding: 0px; color: rgb(51, 51, 51); font-family: Open Sans, Arial, Hiragino Sans GB, STHeiti, WenQuanYi Micro Hei, Microsoft YaHei UI, 微软雅黑, SimSun, sans-serif; white-space: normal; background-color: rgb(255, 255, 255); font-size: 18px; text-indent: 2em; text-align: justify; line-height: 2em;"><span style="font-size: 16px;">近期，公众担心境外流行的XBB.1.5等优势流行毒株会输入国内。杨小兵介绍，XBB.1.5是奥密克戎变体BJ.1和BA.2.75组合XBB的衍生毒株，BQ.1是奥密克戎BA.5的亚分支，上述毒株的免疫逃逸能力有所增强，与武汉目前流行的BA.5.2有差异。</span></p><p style="margin-top: 1em; margin-bottom: 1em; padding: 0px; color: rgb(51, 51, 51); font-family: Open Sans, Arial, Hiragino Sans GB, STHeiti, WenQuanYi Micro Hei, Microsoft YaHei UI, 微软雅黑, SimSun, sans-serif; white-space: normal; background-color: rgb(255, 255, 255); font-size: 18px; text-indent: 2em; text-align: justify; line-height: 2em;"><span style="font-size: 16px;">杨小兵告诉记者，感染BA.5.2经过较长一段时间后，保护力水平下降，遇到免疫逃逸能力强的毒株，再次感染风险会增加。但是，再次感染主要会发生在一些免疫力低下的人群中，免疫功能正常人群在短时间内再次感染风险比较小，而且感染后的症状通常比第一次轻微。</span></p><p style="margin-top: 1em; margin-bottom: 1em; padding: 0px; color: rgb(51, 51, 51); font-family: Open Sans, Arial, Hiragino Sans GB, STHeiti, WenQuanYi Micro Hei, Microsoft YaHei UI, 微软雅黑, SimSun, sans-serif; white-space: normal; background-color: rgb(255, 255, 255); font-size: 18px; text-indent: 2em; text-align: justify; line-height: 2em;"><span style="font-size: 16px;">杨小兵强调，尽管武汉市目前尚未检出奥密克戎XBB.1.5和BQ.1毒株，但仍然要保持警惕。XBB.1.5和BQ.1对免疫力低下人群可能会造成二次感染，但在致病性方面，目前尚未有明显证据表明XBB.1.5和BQ.1这两个毒株的毒力与其他奥密克戎变异株有明显差别，导致重症的比例也并未增加。</span></p><p style="margin-top: 1em; margin-bottom: 1em; padding: 0px; color: rgb(51, 51, 51); font-family: Open Sans, Arial, Hiragino Sans GB, STHeiti, WenQuanYi Micro Hei, Microsoft YaHei UI, 微软雅黑, SimSun, sans-serif; white-space: normal; background-color: rgb(255, 255, 255); font-size: 18px; text-indent: 2em; text-align: justify; line-height: 2em;"><span style="font-size: 16px;">预防感染，接种疫苗仍是重要手段，继续保持戴口罩、一米线、勤洗手等健康文明的生活习惯非常重要。同时，在即将到来的春节长假，呼吁广大市民朋友做好自身健康的第一责任人，坚持规律作息，保持居室整洁，经常开窗通风，科学锻炼身体，保障健康饮食，提高机体免疫力。做好自我健康监测，适量储备家庭用药，重点保护高龄老年人和有严重基础性疾病等重症高风险人群。</span></p><section powered-by="xiumi.us" style="overflow-wrap: break-word; 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