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The Logic Behind A 14-Day Quarantine After Travel Or COVID-19 Exposure : Shots - Health News What's behind the "14 days of self-quarantine" guidance after exposure to someone with COVID-19 or after travel from a place with a high number of cases? Think of yourself as a potential incubator.
NPR logo The Science Behind A 14-Day Quarantine After Possible COVID-19 Exposure

The Science Behind A 14-Day Quarantine After Possible COVID-19 Exposure

A sign on the M8 motorway last week in Glasgow, Scotland. Jeff J. Mitchell/Getty Images hide caption

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Jeff J. Mitchell/Getty Images

国内专利短板被国际巨头拿捏 中国LED企业该如何突围?

Jeff J. Mitchell/Getty Images

To stop the spread of the coronavirus, health officials have a favorite refrain: After being in a city or region where there have been a lot of COVID-19 cases, spend 14 days in quarantine even if you feel perfectly fine — don't leave your house. Coming from New York? 14-day quarantine. Arriving in Hawaii? 14-day quarantine. Been in Italy or China or Iran recently? 14-day quarantine.

"That's a long-standing public health practice, and it's called 'traveler's quarantine,' " explains Lindsay Wiley, a professor at American University's Washington College of Law. "Fourteen days is not a made-up number here — it's based on what we know so far about COVID-19, and it's possible that over time we'll see that number change as we learn more [about the virus]."

The 14-day rule is widespread because public health agencies around the world work together on these guidelines. In the U.S., the 海尔加入智能家居战局 苹果谷歌都可能合作 the quarantine period, and its counterpart organizations do so abroad, all in concert with the World Health Organization.

The improvements in education levels mirrored the development of China's education system. Independent research into China's education situation showed that overall education development was better than the world average last year, Yuan Guiren, minister of education, said in March.
巴黎高等商学院(HEC)和伦敦商学院(London Business School)分别巩固了自己在英国《金融时报》“无工作经验要求”和“有工作经验要求”金融硕士项目排行榜上的领先地位。自2011年首次发布这两个金融教育排行榜以来,这两所商学院一直在榜单上名列前茅。

2017年,衡量工业品出厂价格、反映经济活力的主要指标--生产者物价指数(PPI)上涨6.3%,结束了自2012年以来的连续下降态势。2016年PPI下降1.4%。

A meditation on love, loss and the meaning of life. Dog people and Lou Reed fans will be especially susceptible (I plead guilty on both counts), but anyone who ever had a heart is likely to succumb to Ms. Anderson’s ethereal wisdom and her fierce formal wit.
披露表格还警告购汇者不得使用其他人的购汇额度。以前,灰色市场的货币兑换者经常把多个个人的购汇额度汇集起来,靠这种手段来获取大量外汇。
“A hiring manager was reading the wrong person’s resume.”
几家与韩国有关系的机构已经感受到了北京方面对萨德计划的怒火。上个月,由于乐天(Lotte)出让土地用于部署萨德平台,中国官方新闻机构新华社(Xinhua)向乐天发出了强硬警告。乐天是韩国最大的企业之一。
您只需把杯子放到啤酒机上,杯底磁铁就会自动抬高,让啤酒流进杯子里。
万圣节距离现在没几天了。这意味着,如果你还没有挑选好你的万圣节服装或者装饰,那你应该立刻开始准备了。
加拿大学校继续失利。今年的上榜学校只有3所,而去年为5所,而且这3所学校的排名都下降了6个位次左右。多伦多大学(University of Toronto)罗特曼商学院(Rotman School of Management)排名最高,为第65位,而加拿大女王大学(Queen’s University)史密斯商学院(Smith School of Business)在今年的榜单中垫底,排名第100。
新近成立的Eleven James正在男表领域引入合作消费的概念。该公司的会员项目能令你获得亲近一系列精挑细选的高端腕表的机会,这一曾经只和私人飞机、豪华汽车及度假屋联系在一起的会员模式正在Eleven James的手中发扬光大。除腕表外,会员还能注册专享忠诚度项目,其中包括礼宾服务、合伙人利益专享及诸如腕表主题活动等独一无二的体验。听起来有点像男士腕表和飞机租赁公司Net Jets体验的大碰撞?公司创始人兰迪?布兰多夫(Randy Brandoff)在奢侈品营销领域拥有深厚经验,曾经在Net Jets担任高级副总裁和首席营销官、在Marquis Jets担任过执行副总裁和首席营销官。他的专长,加上年复一年增长势头良好的腕表行业,以及一种在其他市场证明行之有效的商业模式——看起来Elven James正是在恰当的时间叩开了市场的大门。

"The incubation period varies from virus to virus and sometimes from host to host," says Rachel Graham, a virologist at the University of North Carolina's Gillings School of Global Public Health.

For the virus that causes COVID-19 — its official name is SARS-CoV-2 — researchers have found that the typical incubation period is about five days. About 97% of the people who get infected and develop symptoms will do so within 11 to 12 days, and about 99% will within 14 days.

Canadian border agents are handing people entering Canada a sheet from the Public Health Agency of Canada that instructs them to self-quarantine for 14 days and monitor themselves for any symptoms that might signal COVID-19. Selena Simmons-Duffin/NPR hide caption

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Selena Simmons-Duffin/NPR

联想记忆
中国对岛屿的使用有诸多限制,而且仅出让50年产权。

JM Family Enterprises
Programming these same signals into artificial human limbs would give amputees replacement hands unlike anything we've developed before.
Dafoe is probably the current front runner for best supporting actor.
Third, McDermott provides some protection against the possibility of Andre Roberson departing as a free agent in the summer.

《楚乔传》
demonstration
Vocal group: Little Big Town
本文作者为卡内基国际和平基金会(Carnegie Endowment)高级研究员、世界银行(World Bank)中国业务局前局长,译者/何黎
Which brands most improved their reputations in social media in 2012? And which companies made them worse?

An illustration created at the U.S. Centers for Disease Control and Prevention conveys a likeness of the coronavirus that's behind the current pandemic. CDC hide caption

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CDC

注册人数:511人
估计当高盛公布自己2009年的奖金规模时,美国国会和媒体又会气得抓狂。但这些怨气终将只是过眼云烟,改变不了什么。所谓“高盛招人恨”的故事实在是拖得太长了。

CDC

储氦新发现
今年夏季,美国ETF管理的资产规模跨过3万亿美元大关,亚太ETF行业管理的资产仅成功爬上3500亿美元关口。

中国民航大学经济管理学院教授李晓津表示,数量迅速增加的航班以及民用航空有限的空域是延误的主要原因。
祝大家2015年好运。(财富中文网)
今年8月,来自托雷维耶哈的乔斯·哈维尔创建了一个AdWords账户,这是谷歌旗下的一项点击付费服务。
Whiteness, in this context, is more than just skin color. You could define it as membership in the “ethno-national majority,” but that’s a mouthful. What it really means is the privilege of not being defined as “other.”

《为奴十二年》导演史蒂夫?麦奎因(Steve McQueen)在登台领奖时说:我有点吓到了。然后他微微耸肩,引用片中福音歌曲的歌词,说了句“翻涌吧,约旦河,翻涌吧”("Roll, Jordan, roll")。
同样地,如果TPP剩下的11国在美国退出后,能在日本的带领下设法挽救该协议,可能为该地区带来一些平衡。
This is the second year running that Peking University has reached the height of No. 2 university.
当晚的最高价来自唯一的一位欧洲电话出价人。此人以910万英镑购得约翰·康斯特布尔(John Constable)令人钦佩但很难让人喜爱的1824年纵向风景画《水闸》(The Lock)的1825年缩小版,这幅画从1855年起一直由一个英国家族私藏。

The price of gold has risen 15 per cent since the beginning of 2017 to trade at $1,334.78 a troy ounce.
5.高效决策者
Once Upon A Time
歌词有点蠢,但是谁在乎呢?汤姆·琼斯自顾自的演唱,将《雷霆杀机》的主题曲以一种柔中带刚的方式演绎出来,充满力量而又蛊惑人心。你会觉得邦德在诱惑你的时候会在点唱机上点这样的歌。还有其他更好听的007电影主题曲,但是只有这首是由男歌手演唱。也许汤姆·琼斯经常会和詹姆斯·邦德一同出去喝干马丁尼。他们是最佳拍档。
The joint Sino-American programme delivered by the Hong Kong University of Science and Technology and Kellogg School of Management has returned to the top of the Financial Times ranking of the best 100 MBAs for senior executives.

在做完所有他能做的自救措施后,这个务实的孩子不知道还要多久才会有人来救他,于是他决定做家庭作业。
“Lotte will hurt the Chinese people and the consequences could be severe,” said the report, which followed a string of government probes into the company’s business interests in China.
2.这里没有人能够回答你问的任何关于击剑的问题。还是去google一下吧。
romantic
Global gold production rose to 3,268.7 tonnes in 2017 from 3,263 tonnes a year earlier, according to the WGC. That was the smallest increase since 2008, when gold mined fell more than 2 per cent during the financial crisis.

10. Be mindful of your attitude.
WTF.2: They Believe You Can Fly
骑行背带是专为小宝宝设计的,以减轻家长的负担。
“她确实带着假发和皇冠,穿着美美的裙子,但是我不会给她用喷雾晒黑剂或者给她涂上满脸的化妆品——我会等到她五岁的时候再给她用这些。”

《自杀小队》将于2016年8月5日上映。
对于就读EMBA的创业者而言,学校和校友关系网的支持同样很重要。约四分之三的创业者认为,学校和校友网络在自己创办公司时都有帮助或非常有帮助。“校友的支持对创业构想的审查以及为公司找到合适的人脉非常关键”,一位学员说。
过去二十多年间,我一直在写关于亚洲崛起及其推动力量的文章。东亚各国领导人之间有一个了不起的共识:亚洲需要利用当前的机会之窗,把重点放在经济发展和增长上。战争是发展的最大阻碍。如果亚洲人真的愚蠢,他们或会卷入这样的战争,破坏自己巨大的发展前景。大多数亚洲国家(除了朝鲜)的领导人,都很明白战争的危险。因此,虽然这一地区会出现局势紧张和对抗,但无论在2014年还是2015年都不会爆发战争。随着2015年缓缓展开,我想鼓励所有西方学者根据亚洲本身的情况理解亚洲的根本发展动力,而非将理解建立在西方先入之见的基础上。
Beijing has responded with increasing rancour against Seoul’s decision to deploy Thaad, the Terminal High Altitude Area Defence platform. While South Korea insists the system is for defending itself against North Korean missiles, China fears the technology will allow an ally of the US to spy on its military developments.
节目23 《直通春晚》①《山路十八弯》(表演者:阿普萨萨)②《我是一只小小鸟》(表演者:许艺娜)③《我爱你中国》(表演者:平安)
STEP 2: STIM

knot
斗转星移关我何事?我的癖好才最重要。
According to the 2016 Hurun IT Rich List released last Tuesday, the average wealth of the top 50 Chinese IT tycoons hit a record, surging 13% year-on-year to 26.9 billion yuan.

白意味着属于一个外表、传统、宗教乃至食物都符合默认常规的群体。按照不言而喻的规则,白人意味着是一个长期被称作是“我们”,而不是“他们”中的一份子的人。
英国新晋首相特蕾莎?梅的年收入为14万3462英镑(约合18万6119美元),其中包括了她作为国会议员的年收入74962英镑(约合97256美元)。
The tension between Paramore's high-intensity hooks and withering lyrics explodes into fluorescent colors on After Laughter.
Gideon Rachman
Attention, travel lovers. You may not have made any travel plans yet, but the choices for next year’s best destinations are already out. Recently, the well-known travel guide publisher Lonely Planet issued its Best in Travel 2014 selection. Here, we pick a few countries from its top 10 list to give you a taste.