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--> 00:04.011\n大家好，\n\n00:04.011 --> 00:09.560\n今天我跟大家分享的内容是新型冠状病毒肺炎的一个预防知识。\n\n00:12.015 --> 00:12.090\n嗯，\n\n00:12.090 --> 00:14.178\n今天分为四方面的内容，\n\n00:14.178 --> 00:17.090\n包括新型冠状病毒肺炎啊，\n\n00:17.090 --> 00:17.766\n个人呢，\n\n00:17.766 --> 00:19.816\n如何预防新冠肺炎。\n\n00:20.666 --> 00:21.316\n还有呢，\n\n00:21.316 --> 00:23.416\n是新型冠状病毒防护，\n\n00:23.615 --> 00:25.865\n包括有正确洗手。\n\n00:26.704 --> 00:27.854\n正确戴口罩。\n\n00:31.305 --> 00:33.055\n首先来看第一部分，\n\n00:33.206 --> 00:34.855\n新型冠状病毒。\n\n00:36.206 --> 00:38.456\n什么是新型冠状病毒？\n\n00:39.698 --> 00:42.897\n冠状病毒是一个大型病毒家族，\n\n00:43.147 --> 00:45.298\n有多种不同的种属。\n\n00:46.818 --> 00:51.118\n从动物传染人变成了可以人传人。\n\n00:52.077 --> 00:59.428\n新型冠状病毒是指以前从未在人类中发现的冠状病毒新毒株。\n\n01:00.516 --> 01:05.666\n此次发现的新型冠状病毒为首次发现人类病毒，\n\n01:06.067 --> 01:11.666\n被WHO命名为2019 NCOV。\n\n01:14.638 --> 01:16.388\n什么是新型冠状病毒？\n\n01:16.988 --> 01:18.738\n冠状病毒的特点呢，\n\n01:19.138 --> 01:20.838\n是对热敏感，\n\n01:21.289 --> 01:23.213\n保持56°C，\n\n01:23.213 --> 01:26.814\n30分钟乙醚，\n\n01:26.814 --> 01:27.439\n75%乙醇，\n\n01:27.638 --> 01:29.189\n含氯消毒剂，\n\n01:29.638 --> 01:30.738\n过氧化酸，\n\n01:31.088 --> 01:32.138\n过氧乙酸，\n\n01:32.138 --> 01:35.738\n氯仿等均可以有效灭活病毒。\n\n01:40.026 --> 01:43.526\n病毒来源及疫情传播途径是什么？\n\n01:45.068 --> 01:47.767\n病毒来源是野生动物，\n\n01:48.318 --> 01:52.017\n传播的途径是以呼吸道传播为主。\n\n01:52.667 --> 01:55.992\n现阶段出现人传人的现象，\n\n01:55.992 --> 02:01.017\n也出现了社区传播病毒存在变异的可能，\n\n02:01.167 --> 02:04.167\n疫情存在进一步扩散的风险。\n\n02:09.285 --> 02:11.936\n新型冠状病毒有哪些症状？\n\n02:12.936 --> 02:17.735\n新型冠状病毒感染临床表现为呼吸道症状，\n\n02:18.285 --> 02:22.835\n发热、咳嗽、呼吸急促和呼吸困难。\n\n02:25.520 --> 02:29.470\n严重者表现为急性呼吸道窘迫综合症。\n\n02:31.190 --> 02:31.889\n脓毒症，\n\n02:31.889 --> 02:32.490\n休克。\n\n02:34.358 --> 02:39.608\n难以纠正的代谢性酸中毒和出凝血功能障碍。\n\n02:42.807 --> 02:45.483\n部分患者起病症状轻微，\n\n02:45.483 --> 02:46.608\n可无发热。\n\n02:47.746 --> 02:50.046\n多数患者为中轻症，\n\n02:50.347 --> 02:51.447\n预后良好。\n\n02:53.207 --> 02:55.356\n少数患者病情危重，\n\n02:55.557 --> 02:57.007\n甚至死亡。\n\n03:02.781 --> 03:05.332\n是否意味着被新冠病毒感染？\n\n03:06.580 --> 03:10.330\n如出现发热、乏力、干咳表现，\n\n03:10.930 --> 03:13.531\n并不意味着已经被感染了。\n\n03:14.975 --> 03:17.276\n但如果出现发热，\n\n03:17.276 --> 03:20.214\n腋下体温超过37°3，\n\n03:20.214 --> 03:23.675\n儿童腋下体温大于37°5。\n\n03:24.649 --> 03:28.600\n咳嗽气喘等急性呼吸道感染症状，\n\n03:29.250 --> 03:32.850\n且有武汉旅居或者居住史。\n\n03:34.302 --> 03:42.451\n或发病前14天内曾接触过来自武汉的发热伴有呼吸道症状的患者，\n\n03:43.302 --> 03:46.552\n或出现小范围聚集性发病，\n\n03:47.251 --> 03:52.251\n应到当地指定医疗机构进行排查诊治。\n\n03:57.692 --> 03:58.343\n第二部分。\n\n03:59.638 --> 04:02.837\n个人如何预防新冠肺炎？\n\n04:09.736 --> 04:10.486\n勤洗手，\n\n04:10.736 --> 04:12.136\n保持手卫生。\n\n04:12.837 --> 04:22.386\n在咳嗽、打喷嚏、准备食物、饭前便后接触动物或者处理动物粪便后，\n\n04:23.036 --> 04:25.786\n使用肥皂和自来水洗手。\n\n04:27.682 --> 04:31.932\n或使用含有酒精成分的免洗手液。\n\n04:35.593 --> 04:35.944\n第二，\n\n04:36.044 --> 04:39.343\n保持良好的呼吸道卫生习惯。\n\n04:41.274 --> 04:42.875\n咳嗽和打喷嚏时，\n\n04:43.075 --> 04:45.674\n使用纸巾掩住口鼻，\n\n04:46.075 --> 04:48.325\n包好扔进垃圾桶。\n\n04:49.199 --> 04:50.799\n如果没有纸巾，\n\n04:51.098 --> 04:53.098\n请弯曲手肘，\n\n04:53.098 --> 04:54.398\n掩盖口鼻，\n\n04:54.748 --> 04:56.799\n防止飞沫传播。\n\n05:05.519 --> 05:07.669\n做好通风和清洁。\n\n05:10.234 --> 05:13.234\n房间应每日开窗通风，\n\n05:13.834 --> 05:15.635\n上下午各一次，\n\n05:16.385 --> 05:19.885\n每次通风时间30分钟以上，\n\n05:20.785 --> 05:24.084\n可选择阳光充足的时段进行。\n\n05:25.187 --> 05:27.536\n保持房间内空气清新。\n\n05:29.066 --> 05:34.867\n房间应每日至少进行一次湿式清扫，\n\n05:35.416 --> 05:37.617\n去除污垢、灰尘，\n\n05:38.516 --> 05:50.967\n用清水或清洗剂擦拭桌面、扶手、门把手、水龙头、马桶按钮等手艺触摸的地方。\n\n05:52.115 --> 05:53.265\n如需消毒，\n\n05:53.515 --> 05:58.515\n应尽量选择简便有效的物理方法。\n\n06:03.037 --> 06:04.388\n四佩戴口罩。\n\n06:06.098 --> 06:15.248\n尽量减少到封闭、空气流动差的公众场所和人员密集的地方。\n\n06:16.217 --> 06:20.817\n乘坐公交、地铁等交通工具时，\n\n06:21.268 --> 06:23.368\n建议佩戴口罩。\n\n06:27.141 --> 06:31.166\n五、出现呼吸道感染症状时，\n\n06:31.166 --> 06:33.141\n应及时就医。\n\n06:35.704 --> 06:40.654\n出现发热、咳嗽等呼吸道感染症状时，\n\n06:41.154 --> 06:43.554\n及时到医院就诊。\n\n06:45.464 --> 06:52.364\n就诊或陪护就医时要佩戴好医用外科口罩。\n\n06:56.510 --> 07:02.459\n6不要接触健康情况不明的动物。\n\n07:04.515 --> 07:11.216\n尽量不要接触健康情况不明的家禽、家畜和野生动物。\n\n07:12.335 --> 07:19.135\n也尽量减少到贩卖、销售活禽、野生动物的市场。\n\n07:21.180 --> 07:22.281\n一旦要去，\n\n07:22.680 --> 07:24.680\n要佩戴好口罩。\n\n07:29.585 --> 07:30.686\n第三部分，\n\n07:31.485 --> 07:33.735\n新型冠状病毒防护，\n\n07:34.286 --> 07:35.786\n正确洗手。\n\n07:40.552 --> 07:42.502\n什么时候需要洗手？\n\n07:44.308 --> 07:46.858\n人流密集的公共场所。\n\n07:48.069 --> 07:50.868\n与陌生人肢体接触后，\n\n07:52.019 --> 07:54.169\n接触过公共物品，\n\n07:55.169 --> 08:00.368\n如电梯扶手按钮、公用电话后。\n\n08:01.609 --> 08:04.158\n户外运动玩耍后。\n\n08:05.679 --> 08:08.730\n去商场、超市或商场购物后，\n\n08:09.630 --> 08:11.329\n接触钱币后。\n\n08:12.785 --> 08:15.135\n佩戴隐形眼镜前。\n\n08:16.480 --> 08:20.381\n吃药往伤口上涂抹药物之前。\n\n08:21.699 --> 08:22.748\n抱孩子，\n\n08:22.848 --> 08:24.498\n喂孩子食物前，\n\n08:25.199 --> 08:27.299\n处理婴儿粪便后。\n\n08:29.829 --> 08:31.329\n护理患者后。\n\n08:32.651 --> 08:39.351\n准备食物的前中后时间都需要洗手。\n\n08:40.906 --> 08:41.955\n用餐前，\n\n08:42.406 --> 08:43.906\n上卫生间后，\n\n08:44.656 --> 08:48.255\n当手脏了的时候都需要洗手。\n\n08:51.700 --> 08:57.849\n学会正确的洗手方法也是非常重要的。\n\n08:59.375 --> 08:59.724\n嗯。\n\n09:00.828 --> 09:01.604\n首先呢，\n\n09:01.604 --> 09:06.354\n要在流动水后使双手充分淋湿。\n\n09:07.734 --> 09:11.885\n然后取适量洗手液或肥皂，\n\n09:12.385 --> 09:18.635\n均匀涂抹至整个手掌、手背、手指和指缝。\n\n09:20.596 --> 09:23.546\n双手掌心搓摩。\n\n09:24.780 --> 09:28.979\n右掌心覆盖左手背十指交叉，\n\n09:29.729 --> 09:31.030\n反之亦然。\n\n09:32.030 --> 09:37.229\n然后双手掌心相对十指相交叉。\n\n09:38.521 --> 09:41.421\n指背叠于另一手掌心，\n\n09:41.721 --> 09:43.072\n十指相扣。\n\n09:45.127 --> 09:47.677\n这是正确的洗手方法。\n\n09:51.432 --> 09:58.083\n然后在右手握住左手大拇指旋转搓磨，\n\n09:58.783 --> 09:59.833\n反之亦然。\n\n10:00.583 --> 10:01.607\n第七步呢，\n\n10:01.607 --> 10:09.283\n是右手的五指并拢于手掌心正反方向旋转搓磨，\n\n10:09.783 --> 10:10.932\n反之亦然。\n\n10:12.067 --> 10:12.317\n嗯。\n\n10:13.059 --> 10:15.059\n用双用手啊，\n\n10:15.059 --> 10:16.909\n用水清洗双手，\n\n10:17.559 --> 10:21.210\n用干净的纸巾或毛巾擦干。\n\n10:24.533 --> 10:28.632\n用干净的纸巾或毛巾垫着关水龙头，\n\n10:29.033 --> 10:33.932\n或者捧清水将水龙头冲洗干净，\n\n10:34.432 --> 10:36.182\n再关闭水龙头。\n\n10:37.732 --> 10:39.632\n这是洗手方法。\n\n10:41.036 --> 10:43.536\n要真正做好手卫生，\n\n10:43.786 --> 10:47.135\n还有一些注意事项要提醒大家。\n\n10:48.724 --> 10:52.125\n洗后的手不要在衣服上蹭干，\n\n10:53.025 --> 11:00.775\n要提前准备好干手纸、干手毛巾或者是烘干机。\n\n11:06.723 --> 11:08.473\n如果使用肥皂，\n\n11:09.223 --> 11:12.322\n肥皂要保持清洁和干燥，\n\n11:13.273 --> 11:17.372\n最好使用一次性包装的洗手液。\n\n11:19.133 --> 11:20.583\n如使用替换装，\n\n11:21.033 --> 11:25.583\n每次分装前要将容器清洁消毒，\n\n11:26.484 --> 11:30.984\n当皂液有浑浊或变色时要更换。\n\n11:35.098 --> 11:40.598\n如果使用含酒精成分的免洗洗手液，\n\n11:41.299 --> 11:47.348\n要留意产品说明中开瓶后使用的有效期。\n\n11:48.645 --> 11:53.544\n一般开瓶后的使用期限不超过30天。\n\n11:58.354 --> 11:59.153\n第四部分，\n\n12:00.203 --> 12:02.403\n新型冠状病毒防护，\n\n12:02.754 --> 12:04.504\n正确戴口罩。\n\n12:07.562 --> 12:07.911\n嗯。\n\n12:09.351 --> 12:11.802\nD是普通棉布口罩。\n\n12:13.132 --> 12:13.481\n嗯。\n\n12:14.708 --> 12:19.658\n普通棉布口罩无法取得预防感染的目的，\n\n12:20.208 --> 12:22.258\n戴着还有碍呼吸，\n\n12:22.609 --> 12:24.158\n效果很差。\n\n12:25.258 --> 12:28.059\n第二是普通级的医用口罩，\n\n12:28.859 --> 12:30.658\n防护等级较低，\n\n12:31.059 --> 12:33.408\n仅能防止飞沫传播。\n\n12:35.067 --> 12:37.317\n佩戴场合推荐，\n\n12:37.666 --> 12:43.742\n如果是买不到医用外科或医用防护口罩时啊，\n\n12:43.742 --> 12:49.416\n外出与人接触的时候可以用普通级的医用口罩。\n\n12:50.921 --> 12:53.870\n第三种是医用外科口罩，\n\n12:54.421 --> 12:56.270\n防护等级中等。\n\n12:57.364 --> 13:00.213\n能很好的预防呼吸道疾病，\n\n13:00.213 --> 13:01.463\n是建议佩戴，\n\n13:02.513 --> 13:06.564\n佩戴的场合在人员密集场所，\n\n13:07.064 --> 13:10.914\n如超市、商场、影院。\n\n13:12.476 --> 13:13.427\n火车站等。\n\n13:15.528 --> 13:16.879\n医用防护口罩，\n\n13:16.929 --> 13:23.679\n像N95或KN 95口罩防护等级最高，\n\n13:24.179 --> 13:29.028\n但长时间佩戴会增加呼吸负担。\n\n13:30.533 --> 13:32.083\n并且价格略高。\n\n13:32.882 --> 13:36.432\n佩戴场合与病人接触时，\n\n13:36.783 --> 13:41.083\n在医疗环境下建议佩戴N95口罩。\n\n13:43.666 --> 13:46.666\n生活中常见的口罩有四种，\n\n13:47.367 --> 13:55.966\n有普通棉布口罩、普通级的医用口罩、医用外科口罩和医用防护口罩。\n\n13:58.919 --> 13:59.169\n嗯。\n\n14:00.202 --> 14:02.302\n如何正确佩戴口罩？\n\n14:03.002 --> 14:07.151\n一次性医用口罩要分清正反及上下，\n\n14:07.952 --> 14:10.252\n有金属条的一端朝上，\n\n14:10.702 --> 14:13.252\n颜色较浅的一面朝内。\n\n14:14.872 --> 14:15.447\n第二，\n\n14:15.447 --> 14:16.072\n洗手。\n\n14:18.275 --> 14:20.375\n戴口罩前需要洗手，\n\n14:21.075 --> 14:28.025\n且在戴口罩的过程中避免手接触到口罩的内侧面。\n\n14:29.653 --> 14:29.903\n嗯。\n\n14:30.739 --> 14:34.439\n戴口罩要将折面完全展开，\n\n14:35.088 --> 14:39.289\n将嘴、鼻、下颚完全包住，\n\n14:40.189 --> 14:41.989\n向下拉伸口罩，\n\n14:42.138 --> 14:44.539\n使口罩不留皱褶，\n\n14:45.239 --> 14:50.039\n然后用双手紧压鼻梁两侧的金属条，\n\n14:50.789 --> 14:53.489\n使口罩上端紧贴鼻梁，\n\n14:53.939 --> 14:56.739\n更好覆盖鼻子、嘴巴。\n\n14:58.096 --> 15:02.346\nN九五口罩对这一步的要求会比较严格。\n\n15:05.380 --> 15:10.080\n这是如何正确佩戴一次性医用口罩，\n\n15:10.431 --> 15:18.181\n包括单手托起、由下向上佩戴下端口罩向下拉伸等等。\n\n15:19.330 --> 15:21.505\n购买N九五型口罩时，\n\n15:21.505 --> 15:28.330\n要注意鉴别其内侧鼻夹处海绵垫按压后是否会回弹。\n\n15:32.075 --> 15:32.825\n注意，\n\n15:33.125 --> 15:36.976\n使用普通的医用外科口罩是一次性的，\n\n15:37.426 --> 15:40.426\n戴2.4小时后就需要更换。\n\n15:42.406 --> 15:44.005\n在特殊情况下，\n\n15:44.156 --> 15:46.356\n如果口罩实在紧缺，\n\n15:46.606 --> 15:48.656\n可以适当延长时间，\n\n15:49.306 --> 15:56.455\n但是当口罩被呼出的气体打湿会出或者出现破损漏气时，\n\n15:56.505 --> 15:57.856\n就必须更换。\n\n15:59.067 --> 16:00.117\nN九五呢，\n\n16:00.117 --> 16:01.668\n是可以反复戴的，\n\n16:02.117 --> 16:05.918\n不同品牌不同型号可累计戴的时长不同，\n\n16:06.218 --> 16:08.617\n有的可累计戴40小时，\n\n16:08.918 --> 16:12.218\n有的则戴12小时就需要更换。\n\n16:12.817 --> 16:16.218\n具体可以查看口罩包装上的说明。\n\n16:17.218 --> 16:20.067\n戴N95口罩容易憋闷，\n\n16:20.468 --> 16:24.668\n最好戴两个小时左右就摘下来休息一下。\n\n16:26.265 --> 16:28.315\n用完的口罩如何处理？\n\n16:28.565 --> 16:31.715\n在医院直接丢进医用垃圾桶。\n\n16:33.320 --> 16:33.921\n有症状，\n\n16:34.020 --> 16:35.870\n八四消毒后丢弃。\n\n16:36.270 --> 16:37.445\n没有症状的，\n\n16:37.445 --> 16:39.020\n可以直接丢弃。\n\n16:41.294 --> 16:43.593\n所以对于新型冠状肺炎，\n\n16:43.794 --> 16:46.343\n预防肺炎从我做起，\n\n16:46.643 --> 16:47.693\n谢谢大家。\n\n","v0247cg10004d60q0giljhtf921nasr0",1010,1398,"2026-01-24 20:40:33","新型冠状病毒肺炎（COVID-19）最新动态 | 预防措施与权威指南  ","新型冠状病毒肺炎,COVID-19,疫情动态,症状表现,预防措施,疫苗接种,病毒传播,防疫指南  ","获取新型冠状病毒肺炎（COVID-19）最新疫情数据、科学防护知识、症状识别及官方防控指南。了解如何有效预防病毒传播，保护自己和家人健康。","2026-02-26 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