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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

北上深住宅月均房租超4000元 租房需求大幅增长

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 扶养独居老人者可适当继承遗产 the quarantine period, and its counterpart organizations do so abroad, all in concert with the World Health Organization.

201505/375574.shtml12岁的铃木瑟玟(Severn Suzuki)在1992年里约世界高峰会上,对全世界环境部长发出警语,她的演说简单扼要却直指人心,要求“大人们”对于环保要说到做到,否则就是对下一代的不负责任。
伦敦商学院(London Business School,见上图)荣登2014年英国《金融时报》欧洲商学院排行榜榜首,该学院上一次夺得冠军宝座是在2005年。法国巴黎高等商学院(HEC Paris)和西班牙企业商学院(IE Business School)分列二、三位。

‘The Good Wife’ Once Will (Josh Charles), Alicia’s illicit love interest, died at the end of Season 5, this sexy CBS courtroom drama seemed as if it might droop and wither, but instead, the sixth season steamed with almost madcap energy, mixing Alicia’s newly fledged political campaign, a war of the roses between Alicia’s new firm and her old one, and the legal travails of Cary, her legal partner. Alicia isn’t quite so good anymore, and that makes “The Good Wife” all the better.

The Fate of the Furious was the top-grossing foreign film, ranking second on the list.
Opposition is legitimate, opinion free and power curbed.
时间:2010-02-24 编辑:vicki
The report also found traffic congestion in first-tier cities such as Beijing, Shenzhen, Guangzhou and Shanghai have stopped getting worse with local government efforts.
“我去的每一个地方,都发现企业主对未来的需求量有一个很好的预期,” Gus Faucher PNC金融服务机构的资深经济学家称。“商人必须提高薪酬来吸引更多的劳动力或者保留原有的工人”。
13. 还有更好的。10月,《洛杉矶时报》报道,平等工作机会委员会正在调查这个行业内的性别歧视现象,美国民权同盟要求各州与联邦机构继自己之后各自进行调查。
An iPhone displays an image of Steve Jobs as it sits with a memorial to the Apple founder and former CEO outside an Apple Store, Wednesday, Oct. 5, 2011 in New York. Jobs passed away Wednesday at the age of 56
这两部极具娱乐性,追求整体效果,建立在事实基础上的程序剧(procedural)都是关于惊人的犯罪与腐败滋生的大型机构的故事——一个是关于罗马天主教会,一个是关于华尔街银行。除了激发起正直的愤怒,麦卡锡与麦凯以不同的方式,把悬疑、情感和道德的分量融入到接电话、敲键盘、读报表等现代日常工作中去。

"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

11月中国房地产价格继续下跌,因投资者把更多注意力从房地产市场转向股市。
Yes, it happens. Print all application materials from home, the library, a print shop – anywhere besides your current company's office。

Central China's Hubei province surpassed Hebei province for the first time to rank 7th with 3.2 trillion yuan, up 8.1 percent.
煽动家的运动自然导致了专制统治——多数人的暴政掩盖了一个人的暴政。
毕竟,在最新一批时装系列中,最引人注目的系列有流线形的趋势,没有被任何与60年代有关的元素或身份拖住——例如,路易威登(Louis Vuitton)、迪奥(Dior)、普罗恩萨·施罗(Proenza Schouler)和纳西索·罗德里格斯(Narciso Rodriguez)——这些服装大踏步走向未来,没有往昔的负累。
在全球最具价值品牌百强榜上,有15个中国品牌上榜,比去年多一个,较10年前大有增加,当时中国移动(China Mobile)是唯一上榜的中国品牌。

Microsoft Corp., Toyota Motor Corp., IBM Corp., Samsung Electronics Co. Ltd., Amazon.com Inc., Mercedes-Benz and General Electric Co. were also on the Top 10 list, according to Interbrand's 2016 Best Global Brands report.
A partnership with IBM to sell iPads and iPhones to big corporate customers is just one example of how Apple is looking beyond its own walls more under Mr Cook, something Jobs had resisted.
刘非也是汉朝皇帝汉武帝(公元前141-97在位)的同父异母兄弟。
据《新京报》报道,今年我国高校毕业生达765万人,创历史新高。此外,中职毕业生达435万人,应届毕业生总人数达1200万。
时间长度:21个月

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

巴蒂说道:“纵观亚洲高校前三百名榜单,我们可以看到,现如今,动态、多样化且颇具竞争力的高等教育园区正在亚洲地区逐渐形成,中国则是这个发展过程中极其重要的一部分。”
Nobel economists like Joseph Stiglitz, environmental activists like Bill McKibben, George Soros and the Institute for New Economic Thinking, politicians like Al Gore and other modern thinkers all warn us that traditional economists (and the banks, businesses and government agencies they work for) are addicted to bad economic theories, And they're sabotaging America's future.

CDC

时间:2010-03-09 编辑:vicki
Theresa May is still facing resistance from within her own party. Vince Cable, the Liberal Democrats’ sage and leader, still thinks Brexit may not really happen.

But markets plunged following the ECB decision. Investors complained that the central bank had misled markets about the amount of extra stimulus it was prepared to inject to shore up the recovery.
单词invigorate 联想记忆:
Goldie Blox:
9、《神奇动物在哪里》

Gitanjali said she wanted to further refine the device so it could eventually go on the market.
单词adamant 联想记忆:
安汉德
Interbrand的全球首席执行官杰斯·弗兰普顿表示:“苹果、谷歌和可口可乐是世界上最有价值的品牌。因为他们的财务实力雄厚,品牌具有强大的号召力,这是其竞争对手无法比拟的。”

Interestingly, BRICS bloc has reduced their exposure to these securities at a time when America's economic activity is expanding at a moderate rate.
Aoki-san is a pleasure to work withon storyboard. With Aoki-san on the team it feels like a sure thing. The visionof these animations will be perfect.
After a year of sexual harassment scandals that started in Silicon Valley and spread to just about every industry, women will try to capitalise on the momentum to push for permanent changes. And attention will focus on the plight of marginalised minorities, with so few black and Latino employees in the tech industry.
但是,小牛队的确应该摆烂。同样的还有国王队,还有热火队,还有魔术队。这些都是中游的球队,即使在最乐观的预测中都没有很高的排名。
伦敦商学院(LBS)连续三年蝉联欧洲商学院排行榜桂冠,但其在欧洲大陆的竞争对手在用于编制榜单的单项排名中领先。

"The longer people sit out of the job market, the harder it's going to be for them to re-enter," Frederickson says.
10.谎言和誓言的区别在于,一个是听的人当真了,一个是说的人当真了。
However, we are sceptical that the strength of imports can be sustained given that the delayed impact of policy tightening and a cooling property market are set to weigh on Chinese demand for commodities in coming quarters.
After Zhou contaminated the water, one of Zhou's classmates surnamed Tang noticed that the water coming out of the dispenser was milky and had a pungent scent.
Will José Antonio Meade be the next president of Mexico

On the sales front, General Motors and Ford F -0.13% lost market share to Chrysler, which leveraged its Jeep brand to previously unimagined heights – and then, metaphorically left its heritage behind when it established legal domicile in the Netherlands and changed its name to FCA US LLC.
n. 无限
该研究基于全国3095份应届毕业生调查问卷和1661份雇主调查问卷。
Selling that many cars would make Tesla larger than the U.S. arms of luxury makers like Lincoln and Porsche, both of which have more diverse product portfolios, long-established dealer networks, and refined strategies for marketing and advertising. Half the sales would come from the aging Model S sedan and the other half the new Model X seven-seat crossover that goes into production early next year.

清华大学在计算机科学和工程学两个学科中排名居首。这所中国院校今年取代了麻省理工学院,成为计算机科学最强学府。
We will speed up the reform of SOEs and state capital.
Latest data from the US Treasury Department shows that India held securitie sworth $80 billion in September and further reduced its exposure to $77.5billion in October -- which is also a three-month low.
The prize sold for far more than the gallery's estimate of $50,000 to $100,000. The only other Nobel Peace Prize known to have sold at auction was a 1903 medal that brought nearly $17,000 in 1985.
腾讯控股有限公司公关部的一名员工、一款直播应用的负责人日前声称,一名男子通过在这个直播平台唱歌接受了一个13岁女孩25万多元(3.64万美元)的打赏,而该女孩在注册时可能隐瞒了年龄。
研究显示,美国已经取代印度成为反倾销和其他贸易保护案件的最大发起国,而中国及其钢铁行业正是美国的最大目标。

这让11月份的贸易顺差达到446.1亿美元,比10月份减少约44.5亿美元,低于预期。
During the RoboCup 2500 contestants from 40 countries competed in 15 competitions with various types of computerized soccer robots, healthcare robots, rescue robots and dance robots.
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7、 阿斯顿·马丁必须有。不止如此,还要在异国情调的赌场里挥金如土——一掷千金的男人很能吸引寻欢中的女性。常与女性周旋的邦德更擅长于此。
The joint programme delivered by Tsinghua and Insead University (Tiemba) moved up two places to lead the 2015 global executive MBA ranking, dethroning Trium, which drops back to third place after only one year at the top.
10月1日
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But he sees his time in the classroom as invaluable, crediting it with having given him a resilience that he now draws on in the latest phase of his career.