乘公交致13人感染，研究：新冠病毒在密闭空调车厢可传4.5米
<div class="wx_rich_media_content" id="jsWxContainer"><section style='box-sizing: border-box;'><section style='box-sizing: border-box;'><section style='box-sizing: border-box;'><section label="Powered by 135editor.com" data-role="outer" style='widows: 1; box-sizing: border-box; overflow-wrap: break-word !important;'><p style='letter-spacing: 0.544px; text-align: center;'><br></p><section style='letter-spacing: 0.544px; max-width: 100%; font-family: -apple-system-font, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; line-height: 1.75em; box-sizing: border-box !important; overflow-wrap: break-word !important;'><span style='max-width: 100%;font-size: 15px;color: rgb(63, 63, 63);box-sizing: border-box !important;overflow-wrap: break-word !important;'>眼下，随着复工复产陆续推进，公共交通疫情防控也愈发重要。</span><br style='max-width: 100%;box-sizing: border-box !important;overflow-wrap: break-word !important;'></section><section style='max-width: 100%; line-height: 1.75em; box-sizing: border-box !important; overflow-wrap: break-word !important;'><div style='text-align: center;'></div><span style='font-family: -apple-system-font, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; letter-spacing: 0.544px; max-width: 100%; font-size: 15px; color: rgb(63, 63, 63); box-sizing: border-box !important; overflow-wrap: break-word !important;'>记者注意到，近日，有研究以一起乘坐公共交通引发13人感染的聚集性疫情为案例，探讨密闭环境下气溶胶传播的可能性。</span></section><section style='letter-spacing: 0.544px; max-width: 100%; font-family: -apple-system-font, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; line-height: 1.75em; box-sizing: border-box !important; overflow-wrap: break-word !important;'><br style='max-width: 100%;box-sizing: border-box !important;overflow-wrap: break-word !important;'><span style='max-width: 100%;font-size: 15px;color: rgb(63, 63, 63);box-sizing: border-box !important;overflow-wrap: break-word !important;'>研究发现，</span><span style='max-width: 100%;font-size: 15px;color: rgb(171, 25, 66);box-sizing: border-box !important;overflow-wrap: break-word !important;'><strong style='max-width: 100%;box-sizing: border-box !important;overflow-wrap: break-word !important;'>新型冠状病毒传播能力较强，在密闭空调车厢内传播距离最远达4.5m，病毒至少在30分钟内可漂浮在空气中并导致感染发病</strong></span><span style='max-width: 100%;font-size: 15px;color: rgb(63, 63, 63);box-sizing: border-box !important;overflow-wrap: break-word !important;'>。因此，建议搭乘公共交通工具时做好个人防护，同时保证公共交通工具内的换气和新风量，做好车厢内的清洁消毒。</span></section><section style='letter-spacing: 0.544px; max-width: 100%; font-family: -apple-system-font, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; line-height: 1.75em; text-align: center; box-sizing: border-box !important; overflow-wrap: break-word !important;'><br style='max-width: 100%;box-sizing: border-box !important;overflow-wrap: break-word !important;'><strong style='max-width: 100%;box-sizing: border-box !important;overflow-wrap: break-word !important;'><span style='max-width: 100%;font-size: 15px;color: rgb(255, 255, 255);background-color: rgb(0, 122, 170);box-sizing: border-box !important;overflow-wrap: break-word !important;'>1人乘大巴，致同车8人感染</span></strong></section><section style='letter-spacing: 0.544px; max-width: 100%; font-family: -apple-system-font, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; line-height: 1.75em; box-sizing: border-box !important; overflow-wrap: break-word !important;'><br></section><section style='letter-spacing: 0.544px; max-width: 100%; font-family: -apple-system-font, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; line-height: 1.75em; box-sizing: border-box !important; overflow-wrap: break-word !important;'><span style='max-width: 100%;font-size: 15px;color: rgb(63, 63, 63);box-sizing: border-box !important;overflow-wrap: break-word !important;'>该研究题目为《一起在公共交通工具内气溶胶传播的新型冠状病毒肺炎聚集性疫情流行病学调查》，由中华预防医学会主办的《实用预防医学》3月5日首发。作者包括罗垲炜、海政等人。</span></section><section style='letter-spacing: 0.544px; max-width: 100%; font-family: -apple-system-font, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; line-height: 1.75em; box-sizing: border-box !important; overflow-wrap: break-word !important;'><br style='max-width: 100%;box-sizing: border-box !important;overflow-wrap: break-word !important;'><span style='max-width: 100%;font-size: 15px;color: rgb(63, 63, 63);box-sizing: border-box !important;overflow-wrap: break-word !important;'>研究介绍了一起发生在湖南省某地、由乘坐公共交通工具引发的聚集性疫情：1月28日，乙地报告1例新冠肺炎疑似病例（病例A）。</span></section><section style='letter-spacing: 0.544px; max-width: 100%; font-family: -apple-system-font, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; line-height: 1.75em; box-sizing: border-box !important; overflow-wrap: break-word !important;'><br style='max-width: 100%;box-sizing: border-box !important;overflow-wrap: break-word !important;'><span style='max-width: 100%;font-size: 15px;color: rgb(63, 63, 63);box-sizing: border-box !important;overflow-wrap: break-word !important;'>该患者1月22日发病，1月29日确诊，发病前第5天和第3天曾与其甲地同事李某某（确诊病例，1月16日发病）有共同聚餐和办公的经历。</span></section><section style='letter-spacing: 0.544px; max-width: 100%; font-family: -apple-system-font, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; line-height: 1.75em; box-sizing: border-box !important; overflow-wrap: break-word !important;'><br style='max-width: 100%;box-sizing: border-box !important;overflow-wrap: break-word !important;'><span style='max-width: 100%;font-size: 15px;color: rgb(63, 63, 63);box-sizing: border-box !important;overflow-wrap: break-word !important;'>1月22日12点，</span><span style='max-width: 100%;font-size: 15px;color: rgb(171, 25, 66);box-sizing: border-box !important;overflow-wrap: break-word !important;'><strong style='max-width: 100%;box-sizing: border-box !important;overflow-wrap: break-word !important;'>病例A（未戴口罩）乘坐甲地大巴，14点到达乙地，导致同车7人发病（病例B-病例H），此外还有一名无症状感染者（病例I）。</strong></span></section><section style='letter-spacing: 0.544px; max-width: 100%; font-family: -apple-system-font, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; line-height: 1.75em; box-sizing: border-box !important; overflow-wrap: break-word !important;'><br style='max-width: 100%;box-sizing: border-box !important;overflow-wrap: break-word !important;'></section><section style='letter-spacing: 0.544px; max-width: 100%; font-family: -apple-system-font, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; line-height: 1.75em; box-sizing: border-box !important; overflow-wrap: break-word !important;'><span style='max-width: 100%;font-size: 15px;color: rgb(63, 63, 63);box-sizing: border-box !important;overflow-wrap: break-word !important;'>1月22日15:40，</span><span style='max-width: 100%;font-size: 15px;color: rgb(171, 25, 66);box-sizing: border-box !important;overflow-wrap: break-word !important;'><strong style='max-width: 100%;box-sizing: border-box !important;overflow-wrap: break-word !important;'>病例A（未戴口罩）乘坐班车，车程约1小时，导致同车2人发病（病例K和病例L）。</strong></span></section><section style='letter-spacing: 0.544px; max-width: 100%; font-family: -apple-system-font, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; line-height: 1.75em; box-sizing: border-box !important; overflow-wrap: break-word !important;'><br style='max-width: 100%;box-sizing: border-box !important;overflow-wrap: break-word !important;'></section><p style='letter-spacing: 0.544px; max-width: 100%; min-height: 1em; font-family: -apple-system-font, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; box-sizing: border-box !important; overflow-wrap: break-word !important;'><span class="wxart_image" wx-style='display:inline-block;margin-right: auto;margin-left: auto;border-width: 0px;border-style: initial;border-color: initial;display: block;box-sizing: border-box !important;overflow-wrap: break-word !important;width: 677px !important;visibility: visible !important;'></span></p><section style='letter-spacing: 0.544px; max-width: 100%; font-family: -apple-system-font, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; line-height: 1.75em; text-align: center; box-sizing: border-box !important; overflow-wrap: break-word !important;'><span style='max-width: 100%;font-size: 12px;color: rgb(178, 178, 178);box-sizing: border-box !important;overflow-wrap: break-word !important;'>本起聚集性疫情传播链图 本文图片均来自相关论文</span></section><section style='letter-spacing: 0.544px; max-width: 100%; font-family: -apple-system-font, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; line-height: 1.75em; box-sizing: border-box !important; overflow-wrap: break-word !important;'><br style='max-width: 100%;box-sizing: border-box !important;overflow-wrap: break-word !important;'></section><section style='letter-spacing: 0.544px; max-width: 100%; font-family: -apple-system-font, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; line-height: 1.75em; box-sizing: border-box !important; overflow-wrap: break-word !important;'><span style='max-width: 100%;font-size: 15px;color: rgb(63, 63, 63);box-sizing: border-box !important;overflow-wrap: break-word !important;'>当日病例A乘坐的大巴抵达乙地后，停留30分钟（停留期间车辆未做消毒处理），又载客返回甲地。</span><span style='max-width: 100%;font-size: 15px;color: rgb(171, 25, 66);box-sizing: border-box !important;overflow-wrap: break-word !important;'><strong style='max-width: 100%;box-sizing: border-box !important;overflow-wrap: break-word !important;'>1名乘客（病例J）搭乘该车后（座位与病例A之前乘坐过的座位临近)，1月24日发病。</strong></span><span style='max-width: 100%;font-size: 15px;color: rgb(63, 63, 63);box-sizing: border-box !important;overflow-wrap: break-word !important;'>据调查，病例J无其他特殊旅居史和接触史。</span></section><section style='letter-spacing: 0.544px; max-width: 100%; font-family: -apple-system-font, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; line-height: 1.75em; box-sizing: border-box !important; overflow-wrap: break-word !important;'><br style='max-width: 100%;box-sizing: border-box !important;overflow-wrap: break-word !important;'><span style='max-width: 100%;font-size: 15px;color: rgb(63, 63, 63);box-sizing: border-box !important;overflow-wrap: break-word !important;'>该起疫情还引发了三代续发病例：和病例A同车的病例B、病例K之后分别有1名亲属发病，即病例M和病例N。</span></section><section style='letter-spacing: 0.544px; max-width: 100%; font-family: -apple-system-font, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; line-height: 1.75em; box-sizing: border-box !important; overflow-wrap: break-word !important;'><br style='max-width: 100%;box-sizing: border-box !important;overflow-wrap: break-word !important;'><span style='max-width: 100%;font-size: 15px;color: rgb(63, 63, 63);box-sizing: border-box !important;overflow-wrap: break-word !important;'>这起导致13人感染的聚集性疫情是在怎样的环境下发生的？</span></section><section style='letter-spacing: 0.544px; max-width: 100%; font-family: -apple-system-font, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; line-height: 1.75em; box-sizing: border-box !important; overflow-wrap: break-word !important;'><br style='max-width: 100%;box-sizing: border-box !important;overflow-wrap: break-word !important;'><span style='max-width: 100%;font-size: 15px;color: rgb(63, 63, 63);box-sizing: border-box !important;overflow-wrap: break-word !important;'>研究显示，病例A1月22日中午乘坐49座全封闭空调客运大巴。该大巴一层为行李舱，二层为客座舱，车长11.3m，车宽2.5m。司机座位在最靠前的次高层，除司机外共有48个客座，车辆出站时搭乘46人，在路旁接客2人。</span></section><section style='letter-spacing: 0.544px; max-width: 100%; font-family: -apple-system-font, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; line-height: 1.75em; box-sizing: border-box !important; overflow-wrap: break-word !important;'><br style='max-width: 100%;box-sizing: border-box !important;overflow-wrap: break-word !important;'><strong style='max-width: 100%;box-sizing: border-box !important;overflow-wrap: break-word !important;'><span style='max-width: 100%;font-size: 15px;color: rgb(171, 25, 66);box-sizing: border-box !important;overflow-wrap: break-word !important;'>病例A与车上最近的一例被感染者（病例E）之间距离不足0.5m，与最远的一例被感染者（病例G）之间距离约为4.5m。</span></strong></section><section style='letter-spacing: 0.544px; max-width: 100%; font-family: -apple-system-font, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; line-height: 1.75em; box-sizing: border-box !important; overflow-wrap: break-word !important;'><br style='max-width: 100%;box-sizing: border-box !important;overflow-wrap: break-word !important;'><span style='max-width: 100%;font-size: 15px;color: rgb(63, 63, 63);box-sizing: border-box !important;overflow-wrap: break-word !important;'>据调查，病例G和病例A分别从大巴车的前后门上下车，途中也没有近距离接触行为。调取当时车上的视频发现，</span><span style='max-width: 100%;font-size: 15px;color: rgb(171, 25, 66);box-sizing: border-box !important;overflow-wrap: break-word !important;'><strong style='max-width: 100%;box-sizing: border-box !important;overflow-wrap: break-word !important;'>车上大部分人都未戴口罩，车上被感染的病例均未戴口罩。</strong></span></section><section style='letter-spacing: 0.544px; max-width: 100%; font-family: -apple-system-font, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; line-height: 1.75em; box-sizing: border-box !important; overflow-wrap: break-word !important;'><br style='max-width: 100%;box-sizing: border-box !important;overflow-wrap: break-word !important;'></section><p style='letter-spacing: 0.544px; max-width: 100%; min-height: 1em; font-family: -apple-system-font, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; box-sizing: border-box !important; overflow-wrap: break-word !important;'><span class="wxart_image" wx-style='display:inline-block;margin-right: auto;margin-left: auto;border-width: 0px;border-style: initial;border-color: initial;display: block;box-sizing: border-box !important;overflow-wrap: break-word !important;width: 677px !important;visibility: visible !important;'></span></p><section style='letter-spacing: 0.544px; max-width: 100%; font-family: -apple-system-font, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; line-height: 1.75em; text-align: center; box-sizing: border-box !important; overflow-wrap: break-word !important;'><span style='max-width: 100%;font-size: 12px;color: rgb(178, 178, 178);box-sizing: border-box !important;overflow-wrap: break-word !important;'>病例A1月22日中午从甲地到乙地乘坐的大巴车及被感染者（病例）座位情况</span></section><section style='letter-spacing: 0.544px; max-width: 100%; font-family: -apple-system-font, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; line-height: 1.75em; box-sizing: border-box !important; overflow-wrap: break-word !important;'><br style='max-width: 100%;box-sizing: border-box !important;overflow-wrap: break-word !important;'><span style='max-width: 100%;font-size: 15px;color: rgb(63, 63, 63);box-sizing: border-box !important;overflow-wrap: break-word !important;'>1月22日下午，病例A乘坐18座空调小巴，车窗均未开。车长5.5m，车宽2.5m。除司机外共有17个客座。车上共12人，仅1人佩戴了口罩，车上被感染的2人均未戴口罩。</span><span style='max-width: 100%;font-size: 15px;color: rgb(171, 25, 66);box-sizing: border-box !important;overflow-wrap: break-word !important;'><strong style='max-width: 100%;box-sizing: border-box !important;overflow-wrap: break-word !important;'>病例A与最远的一例被感染者（病例K）之间距离约为4.5m。</strong></span></section><section style='letter-spacing: 0.544px; max-width: 100%; font-family: -apple-system-font, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; line-height: 1.75em; box-sizing: border-box !important; overflow-wrap: break-word !important;'><br style='max-width: 100%;box-sizing: border-box !important;overflow-wrap: break-word !important;'></section><p style='letter-spacing: 0.544px; max-width: 100%; min-height: 1em; font-family: -apple-system-font, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; box-sizing: border-box !important; overflow-wrap: break-word !important;'><span class="wxart_image" wx-style='display:inline-block;margin-right: auto;margin-left: auto;border-width: 0px;border-style: initial;border-color: initial;display: block;box-sizing: border-box !important;overflow-wrap: break-word !important;width: 677px !important;visibility: visible !important;'></span></p><section style='letter-spacing: 0.544px; max-width: 100%; font-family: -apple-system-font, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; line-height: 1.75em; text-align: center; box-sizing: border-box !important; overflow-wrap: break-word !important;'><span style='max-width: 100%;font-size: 12px;color: rgb(178, 178, 178);box-sizing: border-box !important;overflow-wrap: break-word !important;'>病例A1月22日下午从乙地到丙地乘坐的小巴车及被感染者（病例）座位情况</span></section><section style='letter-spacing: 0.544px; max-width: 100%; font-family: -apple-system-font, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; line-height: 1.75em; text-align: center; box-sizing: border-box !important; overflow-wrap: break-word !important;'><br style='max-width: 100%;box-sizing: border-box !important;overflow-wrap: break-word !important;'><strong style='max-width: 100%;box-sizing: border-box !important;overflow-wrap: break-word !important;'><span style='max-width: 100%;font-size: 15px;color: rgb(255, 255, 255);background-color: rgb(0, 122, 170);box-sizing: border-box !important;overflow-wrap: break-word !important;'>新冠病毒在密闭环境有气溶胶传播的可能</span></strong></section><section style='letter-spacing: 0.544px; max-width: 100%; font-family: -apple-system-font, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; line-height: 1.75em; text-align: center; box-sizing: border-box !important; overflow-wrap: break-word !important;'><br></section><section style='letter-spacing: 0.544px; max-width: 100%; font-family: -apple-system-font, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; line-height: 1.75em; box-sizing: border-box !important; overflow-wrap: break-word !important;'><span style='max-width: 100%;font-size: 15px;color: rgb(63, 63, 63);box-sizing: border-box !important;overflow-wrap: break-word !important;'>研究指出，该起聚集性疫情共发现密切接触者243人，其中10名确诊病例和1名无症状感染者。二代病例B的密切接触者M、二代病例K的密切接触者N之后也发病。</span></section><section style='letter-spacing: 0.544px; max-width: 100%; font-family: -apple-system-font, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; line-height: 1.75em; box-sizing: border-box !important; overflow-wrap: break-word !important;'><br style='max-width: 100%;box-sizing: border-box !important;overflow-wrap: break-word !important;'><span style='max-width: 100%;font-size: 15px;color: rgb(63, 63, 63);box-sizing: border-box !important;overflow-wrap: break-word !important;'>并且，10例二代病例和1例无症状感染者除与确诊病例A共同暴露于大巴车外，调查发现均无其他明确的流行病学(暴露）史。2例三代病例除分别与本案例中的1名确诊病例有明确接触史外，调查未发现其他流行病学（暴露）史。</span></section><section style='letter-spacing: 0.544px; max-width: 100%; font-family: -apple-system-font, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; line-height: 1.75em; box-sizing: border-box !important; overflow-wrap: break-word !important;'><br style='max-width: 100%;box-sizing: border-box !important;overflow-wrap: break-word !important;'><span style='max-width: 100%;font-size: 15px;color: rgb(63, 63, 63);box-sizing: border-box !important;overflow-wrap: break-word !important;'>研究认为，本次聚集性疫情对于新型冠状病毒的传播方式有两点重要提示。</span></section><section style='letter-spacing: 0.544px; max-width: 100%; font-family: -apple-system-font, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; line-height: 1.75em; box-sizing: border-box !important; overflow-wrap: break-word !important;'><br style='max-width: 100%;box-sizing: border-box !important;overflow-wrap: break-word !important;'><span style='max-width: 100%;font-size: 15px;color: rgb(63, 63, 63);box-sizing: border-box !important;overflow-wrap: break-word !important;'>一是</span><span style='max-width: 100%;font-size: 15px;color: rgb(171, 25, 66);box-sizing: border-box !important;overflow-wrap: break-word !important;'><strong style='max-width: 100%;box-sizing: border-box !important;overflow-wrap: break-word !important;'>在密闭的空调车厢内，病毒传播距离有可能超越目前认为的飞沫传播距离（通常为1m）</strong></span><span style='max-width: 100%;font-size: 15px;color: rgb(63, 63, 63);box-sizing: border-box !important;overflow-wrap: break-word !important;'>。本次调查中，病例A乘坐的是一台全封闭空调大巴，与最远的1例被感染者（病例G）之间距离约为4.5m。</span></section><section style='letter-spacing: 0.544px; max-width: 100%; font-family: -apple-system-font, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; line-height: 1.75em; box-sizing: border-box !important; overflow-wrap: break-word !important;'><br style='max-width: 100%;box-sizing: border-box !important;overflow-wrap: break-word !important;'><span style='max-width: 100%;font-size: 15px;color: rgb(63, 63, 63);box-sizing: border-box !important;overflow-wrap: break-word !important;'>“可能原因是在全封闭空间内，空气的流动动力主要来自于空调产生的热风推动，热空气上升可以将带有病毒的飞沫颗粒运送至较远的距离，远超过通常认识的1m距离。”研究称，</span><span style='max-width: 100%;font-size: 15px;color: rgb(171, 25, 66);box-sizing: border-box !important;overflow-wrap: break-word !important;'><strong style='max-width: 100%;box-sizing: border-box !important;overflow-wrap: break-word !important;'>本起疫情中出现的远距离传播也提示新型冠状病毒在密闭环境内有气溶胶传播的可能性。</strong></span><span style='max-width: 100%;font-size: 15px;color: rgb(63, 63, 63);box-sizing: border-box !important;overflow-wrap: break-word !important;'>并且，在有空调风影响的密闭环境内，新型冠状病毒的传播距离会超过通常认识的1～2m距离。</span></section><section style='letter-spacing: 0.544px; max-width: 100%; font-family: -apple-system-font, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; line-height: 1.75em; box-sizing: border-box !important; overflow-wrap: break-word !important;'><br style='max-width: 100%;box-sizing: border-box !important;overflow-wrap: break-word !important;'><span style='max-width: 100%;font-size: 15px;color: rgb(63, 63, 63);box-sizing: border-box !important;overflow-wrap: break-word !important;'>二是</span><span style='max-width: 100%;font-size: 15px;color: rgb(171, 25, 66);box-sizing: border-box !important;overflow-wrap: break-word !important;'><strong style='max-width: 100%;box-sizing: border-box !important;overflow-wrap: break-word !important;'>病毒在车厢内有效存活的时长不低于30分钟，且病毒存量能够达到足以致人发病的水平</strong></span><span style='max-width: 100%;font-size: 15px;color: rgb(63, 63, 63);box-sizing: border-box !important;overflow-wrap: break-word !important;'>。如病例A搭乘的大巴在乙地停留30分钟后，一乘客（病例J）搭乘该车返回甲地，在此过程中感染发病。</span></section><section style='letter-spacing: 0.544px; max-width: 100%; font-family: -apple-system-font, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; line-height: 1.75em; text-align: center; box-sizing: border-box !important; overflow-wrap: break-word !important;'><br style='max-width: 100%;box-sizing: border-box !important;overflow-wrap: break-word !important;'></section><section style='letter-spacing: 0.544px; max-width: 100%; font-family: -apple-system-font, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; line-height: 1.75em; text-align: center; box-sizing: border-box !important; overflow-wrap: break-word !important;'><strong style='max-width: 100%;box-sizing: border-box !important;overflow-wrap: break-word !important;'><span style='max-width: 100%;font-size: 15px;color: rgb(255, 255, 255);background-color: rgb(0, 122, 170);box-sizing: border-box !important;overflow-wrap: break-word !important;'>温馨提示</span></strong></section><section style='letter-spacing: 0.544px; max-width: 100%; font-family: -apple-system-font, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; line-height: 1.75em; box-sizing: border-box !important; overflow-wrap: break-word !important;'><br></section><section style='letter-spacing: 0.544px; max-width: 100%; font-family: -apple-system-font, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; line-height: 1.75em; box-sizing: border-box !important; overflow-wrap: break-word !important;'><span style='max-width: 100%;font-size: 15px;color: rgb(63, 63, 63);box-sizing: border-box !important;overflow-wrap: break-word !important;'>研究表示，本次聚集性疫情对公众、特别是搭乘公共交通工具的乘客个人防护方面有一些提示。</span></section><section style='letter-spacing: 0.544px; max-width: 100%; font-family: -apple-system-font, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; line-height: 1.75em; box-sizing: border-box !important; overflow-wrap: break-word !important;'><br style='max-width: 100%;box-sizing: border-box !important;overflow-wrap: break-word !important;'><span style='max-width: 100%;font-size: 15px;color: rgb(63, 63, 63);box-sizing: border-box !important;overflow-wrap: break-word !important;'>疫情流行期间，出行人员要做好防护物品准备，按照停留时间、出行地卫生设施状况等，准备一定数量的医用口罩、免洗手消毒剂等。</span><span style='max-width: 100%;font-size: 15px;color: rgb(171, 25, 66);box-sizing: border-box !important;overflow-wrap: break-word !important;'><strong style='max-width: 100%;box-sizing: border-box !important;overflow-wrap: break-word !important;'>搭乘较为密闭的公共交通工具如地铁、汽车、飞机时，应全程佩戴好口罩，同时尽量减少手与公共区域的接触，避免手在清洁前接触面部</strong></span><span style='max-width: 100%;font-size: 15px;color: rgb(63, 63, 63);box-sizing: border-box !important;overflow-wrap: break-word !important;'>。应当尽量保持空气流通，适量打开车窗，包括司机舱的窗户。如属密闭式/空调式车厢等，应将新风送风量调至最大，增加换气的次数。一般情况下车厢内每天清洁消毒1－2次，特别注意在抵达终点站下客后对车辆内部空间进行清洁消毒1次。</span></section><p style='letter-spacing: 0.544px; max-width: 100%; min-height: 1em; font-family: -apple-system-font, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; text-align: center; box-sizing: border-box !important; overflow-wrap: break-word !important;'><span style='max-width: 100%;font-size: 12px;color: rgb(136, 136, 136);box-sizing: border-box !important;overflow-wrap: break-word !important;'>来源：中国新闻网、澎湃新闻、陕西交通广播</span></p></section></section></section></section></div><p></p> 太害怕了，少出门 地铁，公交，火车，高铁等等，公用性交通工具最宜传染疾病，尽量不乘，少乘用。防控时期，要严格控制人员，车辆出入
怕怕啊{:qqemoji35:}{:qqemoji35:}{:qqemoji35:}
页:
[1]