对付奥密克戎，流行病学专家有三点建议
<section data-tools="135编辑器" data-id="16" style="outline: 0px;max-width: 100%;font-family: -apple-system, BlinkMacSystemFont, Helvetica Neue, PingFang SC, Hiragino Sans GB, Microsoft YaHei UI, Microsoft YaHei, Arial, sans-serif;letter-spacing: 0.544px;white-space: normal;background-color: rgb(255, 255, 255);box-sizing: border-box !important;overflow-wrap: break-word !important;"><p style="text-align: center;"></p></section><p style="text-indent: 2em;"><span style="outline: 0px;max-width: 100%;letter-spacing: 2px;box-sizing: border-box !important;overflow-wrap: break-word !important;"><br/></span></p><p style="text-indent: 2em;"><span style="outline: 0px;max-width: 100%;letter-spacing: 2px;box-sizing: border-box !important;overflow-wrap: break-word !important;">奥密克戎变异</span><span style="outline: 0px;max-width: 100%;letter-spacing: 2px;box-sizing: border-box !important;overflow-wrap: break-word !important;">株有何特点？如何对付？6日，<strong>华中科技大学同济医学院公共卫生学院流行病与卫生统计学系主任、博士生导师魏晟教授</strong>，接受了记者专访。</span></p><section data-role="paragraph" style="outline: 0px;max-width: 100%;font-family: -apple-system, BlinkMacSystemFont, Helvetica Neue, PingFang SC, Hiragino Sans GB, Microsoft YaHei UI, Microsoft YaHei, Arial, sans-serif;letter-spacing: 0.544px;white-space: normal;background-color: rgb(255, 255, 255);box-sizing: border-box !important;overflow-wrap: break-word !important;"><p style="outline: 0px;max-width: 100%;vertical-align: inherit;box-sizing: border-box !important;overflow-wrap: break-word !important;"><br style="outline: 0px;max-width: 100%;box-sizing: border-box !important;overflow-wrap: break-word !important;"/></p></section><section style="margin-right: 8px;margin-left: 8px;outline: 0px;max-width: 100%;font-family: -apple-system, BlinkMacSystemFont, Helvetica Neue, PingFang SC, Hiragino Sans GB, Microsoft YaHei UI, Microsoft YaHei, Arial, sans-serif;letter-spacing: 0.544px;white-space: normal;background-color: rgb(255, 255, 255);text-indent: 2em;line-height: 1.75em;box-sizing: border-box !important;overflow-wrap: break-word !important;"><span style="outline: 0px;max-width: 100%;letter-spacing: 2px;box-sizing: border-box !important;overflow-wrap: break-word !important;">近期，国内新冠疫情呈现点多、面广、频发等特点。较德尔塔株，奥密克戎株传播速度更快，更容易造成个体感染和人群传播。魏晟介绍，通过对现有病例的流行病学分析，<strong style="outline: 0px;max-width: 100%;box-sizing: border-box !important;overflow-wrap: break-word !important;">奥密克戎感染病例间的代间距平均为3天，比德尔塔株进一步缩短，传播能力大概是德尔塔株的2倍。</strong></span></section><section style="margin-right: 8px;margin-left: 8px;outline: 0px;max-width: 100%;font-family: -apple-system, BlinkMacSystemFont, Helvetica Neue, PingFang SC, Hiragino Sans GB, Microsoft YaHei UI, Microsoft YaHei, Arial, sans-serif;letter-spacing: 0.544px;white-space: normal;background-color: rgb(255, 255, 255);text-indent: 2em;line-height: 1.75em;box-sizing: border-box !important;overflow-wrap: break-word !important;"><br/></section><section style="margin-right: 8px;margin-left: 8px;outline: 0px;max-width: 100%;font-family: -apple-system, BlinkMacSystemFont, Helvetica Neue, PingFang SC, Hiragino Sans GB, Microsoft YaHei UI, Microsoft YaHei, Arial, sans-serif;letter-spacing: 0.544px;white-space: normal;background-color: rgb(255, 255, 255);text-indent: 2em;line-height: 1.75em;box-sizing: border-box !important;overflow-wrap: break-word !important;"><span style="outline: 0px;max-width: 100%;letter-spacing: 2px;box-sizing: border-box !important;overflow-wrap: break-word !important;">大多数人感染奥密克戎后，临床症状并不典型，因此会造成人群中的隐匿传播。从确诊病例的临床表现来看，奥密克戎株感染后，主要引起上呼吸道感染症状，引起肺炎等严重疾病的发生相对较少，病死率也较低。</span></section><section style="margin-right: 8px;margin-left: 8px;outline: 0px;max-width: 100%;font-family: -apple-system, BlinkMacSystemFont, Helvetica Neue, PingFang SC, Hiragino Sans GB, Microsoft YaHei UI, Microsoft YaHei, Arial, sans-serif;letter-spacing: 0.544px;white-space: normal;background-color: rgb(255, 255, 255);text-indent: 2em;line-height: 1.75em;box-sizing: border-box !important;overflow-wrap: break-word !important;"><br/></section><section style="margin-right: 8px;margin-left: 8px;outline: 0px;max-width: 100%;font-family: -apple-system, BlinkMacSystemFont, Helvetica Neue, PingFang SC, Hiragino Sans GB, Microsoft YaHei UI, Microsoft YaHei, Arial, sans-serif;letter-spacing: 0.544px;white-space: normal;background-color: rgb(255, 255, 255);text-indent: 2em;line-height: 1.75em;box-sizing: border-box !important;overflow-wrap: break-word !important;"><span style="outline: 0px;max-width: 100%;letter-spacing: 2px;box-sizing: border-box !important;overflow-wrap: break-word !important;">“虽然有人说奥密克戎是大号的流感，但它的危害性要远远大于流感。”魏晟说，<strong style="outline: 0px;max-width: 100%;box-sizing: border-box !important;overflow-wrap: break-word !important;">奥密克戎株的传染性远大于流感，尽管奥密克戎株感染后病死率相对较低，但如果没有接种疫苗的老年人和患有基础疾病的人，感染后容易发展成重症，甚至会有生命危险。</strong></span></section><section style="margin-right: 8px;margin-left: 8px;outline: 0px;max-width: 100%;font-family: -apple-system, BlinkMacSystemFont, Helvetica Neue, PingFang SC, Hiragino Sans GB, Microsoft YaHei UI, Microsoft YaHei, Arial, sans-serif;letter-spacing: 0.544px;white-space: normal;background-color: rgb(255, 255, 255);text-indent: 2em;line-height: 1.75em;box-sizing: border-box !important;overflow-wrap: break-word !important;"><br style="outline: 0px;max-width: 100%;box-sizing: border-box !important;overflow-wrap: break-word !important;"/></section><section style="margin-right: 8px;margin-left: 8px;outline: 0px;max-width: 100%;font-family: -apple-system, BlinkMacSystemFont, Helvetica Neue, PingFang SC, Hiragino Sans GB, Microsoft YaHei UI, Microsoft YaHei, Arial, sans-serif;letter-spacing: 0.544px;white-space: normal;background-color: rgb(255, 255, 255);text-indent: 2em;line-height: 1.75em;box-sizing: border-box !important;overflow-wrap: break-word !important;"><span style="outline: 0px;max-width: 100%;letter-spacing: 2px;box-sizing: border-box !important;overflow-wrap: break-word !important;">魏晟认为，在国际疫情居高不下，国内疫情零星散发的情况下，<strong style="outline: 0px;max-width: 100%;box-sizing: border-box !important;overflow-wrap: break-word !important;">首先，个人防护很重要。</strong>自觉养成出门戴口罩、回家就洗手的良好卫生习惯。近期少去或尽可能不去人流量大、通风条件差的场所，这样就减少了与奥密克戎接触的机会，从而降低被感染的几率。</span></section><section style="margin-right: 8px;margin-left: 8px;outline: 0px;max-width: 100%;font-family: -apple-system, BlinkMacSystemFont, Helvetica Neue, PingFang SC, Hiragino Sans GB, Microsoft YaHei UI, Microsoft YaHei, Arial, sans-serif;letter-spacing: 0.544px;white-space: normal;background-color: rgb(255, 255, 255);text-indent: 2em;line-height: 1.75em;box-sizing: border-box !important;overflow-wrap: break-word !important;"><br/></section><section style="margin-right: 8px;margin-left: 8px;outline: 0px;max-width: 100%;font-family: -apple-system, BlinkMacSystemFont, Helvetica Neue, PingFang SC, Hiragino Sans GB, Microsoft YaHei UI, Microsoft YaHei, Arial, sans-serif;letter-spacing: 0.544px;white-space: normal;background-color: rgb(255, 255, 255);text-indent: 2em;line-height: 1.75em;box-sizing: border-box !important;overflow-wrap: break-word !important;"><strong style="outline: 0px;max-width: 100%;box-sizing: border-box !important;overflow-wrap: break-word !important;"><span style="outline: 0px;max-width: 100%;letter-spacing: 2px;box-sizing: border-box !important;overflow-wrap: break-word !important;">其次，接种疫苗很有效。</span></strong><span style="outline: 0px;max-width: 100%;letter-spacing: 2px;box-sizing: border-box !important;overflow-wrap: break-word !important;">截止到今年2月底，我国新冠疫苗全程接种率已超过87%，这是国内疫情防得好、控得住的一个重要原因。研究表明，对于奥密克戎株，新冠疫苗能够降低发生肺炎的风险，可以减少重症和死亡的发生率。没有打疫苗的市民尽快去打，未完成全程接种的抓紧完成，需打加强针的尽量要打。</span></section><section style="margin-right: 8px;margin-left: 8px;outline: 0px;max-width: 100%;font-family: -apple-system, BlinkMacSystemFont, Helvetica Neue, PingFang SC, Hiragino Sans GB, Microsoft YaHei UI, Microsoft YaHei, Arial, sans-serif;letter-spacing: 0.544px;white-space: normal;background-color: rgb(255, 255, 255);text-indent: 2em;line-height: 1.75em;box-sizing: border-box !important;overflow-wrap: break-word !important;"><br style="outline: 0px;max-width: 100%;box-sizing: border-box !important;overflow-wrap: break-word !important;"/></section><section style="margin-right: 8px;margin-left: 8px;outline: 0px;max-width: 100%;font-family: -apple-system, BlinkMacSystemFont, Helvetica Neue, PingFang SC, Hiragino Sans GB, Microsoft YaHei UI, Microsoft YaHei, Arial, sans-serif;letter-spacing: 0.544px;white-space: normal;background-color: rgb(255, 255, 255);text-indent: 2em;line-height: 1.75em;box-sizing: border-box !important;overflow-wrap: break-word !important;"><strong style="outline: 0px;max-width: 100%;box-sizing: border-box !important;overflow-wrap: break-word !important;"><span style="outline: 0px;max-width: 100%;letter-spacing: 2px;box-sizing: border-box !important;overflow-wrap: break-word !important;">再者，排查管控很关键。</span></strong><span style="outline: 0px;max-width: 100%;letter-spacing: 2px;box-sizing: border-box !important;overflow-wrap: break-word !important;">及早发现潜在传染源，穷尽排查密切接触者，迅速管控具有传播风险的人员，对于切断传播途径、遏制疫情传播和外溢具有重要意义和关键作用。所以要将核酸检测常态“做起来”，对重点人群、重点区域的人员，以及已隔离的人员，要常规性开展核酸检测，根据需要开展扩面核酸筛查，尽早将阳性感染者快速“找出来”，围绕阳性病例开展流调排查，尽快把密接、次密接人员精准“管起来”，从而尽快实现社会面清零。</span></section><section style="margin-right: 8px;margin-left: 8px;outline: 0px;max-width: 100%;font-family: -apple-system, BlinkMacSystemFont, Helvetica Neue, PingFang SC, Hiragino Sans GB, Microsoft YaHei UI, Microsoft YaHei, Arial, sans-serif;letter-spacing: 0.544px;white-space: normal;background-color: rgb(255, 255, 255);text-indent: 2em;line-height: 1.75em;box-sizing: border-box !important;overflow-wrap: break-word !important;"><span style="outline: 0px;max-width: 100%;letter-spacing: 2px;box-sizing: border-box !important;overflow-wrap: break-word !important;"><br/></span></section><section style="white-space: normal;box-sizing: border-box;font-size: 16px;"><section 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