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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

二线城市“升温”明显 “高烧”不会成楼市常态

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 小卖场小品牌屡“上榜” 陶卫企业舍本逐末 the quarantine period, and its counterpart organizations do so abroad, all in concert with the World Health Organization.

New construction will provide luxury options for renters with deep pockets, mostly in the boroughs outside Manhattan. In Brooklyn, 6,527 new rental units are expected to hit the rental market next year, nearly twice the 3,802 units anticipated for Manhattan, according to Citi Habitats.
n. 决定,决策

要想2014年像美国人所期望的那样由经济复苏贯穿整个年度,全球经济前景必须保持相对稳定的局面。

I said it last year - and I'll say it again. There is only one activity more thankless than predicting the future - and that is publicly sharing your predictions.
Its alumni enjoyed by far the greatest financial rewards, with an average salary of $469,000 three years after graduation.
对于像费城、凤凰城和布鲁克林这样的烂队而言,另一个问题在于他们很难笼络到好的球队拼图。
McGowan has also hit out at Meryl Streep, saying that it is 'literally impossible' the actress knew nothing of Weinstein's sexual proclivities until last autumn.
[si'lebriti]
伊丽莎白?泰勒和理查德?伯顿的爱情之
会建立起稳定、流动性较强的比特币期货市场吗?
House prices in China continue to fall as investors shift focus from the property market into equities.

"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

So many are tuning out. Denial. Truth is, bubbles are everywhere. Ready to blow. The evidence is accelerating, with only one obvious conclusion: Max 98% risk at a flashpoint. This 2014 crash is virtually guaranteed. There's but a narrow 2% chance of dodging this bullet.
The remaining of the top 10 were the University of Luxembourg (second), Ecole Polytechnique Federale de Lausanne (fourth), University of Geneva (fifth), ETH Zurich - Swiss Federal Institute of Technology Zurich (seventh), University of St. Gallen (eighth), National University of Singapore (ninth) and Imperial College London (10th).

Those falls came despite a rise in insurance premium income of 37.3 per cent year-on-year to Rmb1.88tn, while total assets reached Rmb14.27tn, up 15.4 per cent.
And while you are at it, don't forget to celebrate the imperfections. While on a 10-day trek in the Himalayas, I learned that imperfections are beautiful too. The rough edges of the mountains, the heavy hail storms in the middle of the afternoon, were "inconvenient" but added to the beauty of the trek. I am acutely aware now that in my pursuit of perfection at work, I have often failed to recognize that imperfections are also a core part of our identity that needs to be preserved and not always changed.
自该学校的国际管理学硕士(International Master in Management)项目首次被纳入榜单以来,该学校的排名在过去两年上升31个位置。
Stand: Costco CEO Craig Jelinek refused to open on Thanksgiving Day

单词epic 联想记忆:
I used to think guff was a product of failure and mediocrity — it existed because the truth was too painful, or because executives had not bothered to ascertain what the truth was.
HOUSE OF CARDS (Netflix, Feb. 27) Netflix’s political grand guignol gets a 13-episode third season. Kim Dickens of “Treme” joins Kevin Spacey and Robin Wright in the cast, and two members of Pussy Riot will make a guest appearance.
艾玛·汤普森曾因影片《霍华德庄园》(Howards End)以及《理智与情感》(Sense and Sensibility)两次获得奥斯卡金像奖,而她把小金人放在洗手间这一做法也广为人知,她说:“放在其他地方都显得格格不入,它们太大了,又金光闪闪。”而艾玛并不是唯一一个这样做的人,苏珊·萨兰登(Susan Sarandon)、莱昂纳尔·里奇(Lionel Richie)以及肖恩·康纳利(Sean Connery)都称自己把小金人放在浴室等地方。
这是充满希望的春天,也是令人绝望的寒冬……

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

今年的英国《金融时报》和麦肯锡年度最佳商业图书奖(Financial Times and McKinsey Business Book of the Year Award),颁给了一部描写前美联储(Fed)主席艾伦.格林斯潘(Alan Greenspan)的传记,其内容引人入胜、面面俱到。
The One-China policy constitutes the political foundation of China-US relations which has remained unshaken despite the changing circumstances, nor can this relationship be undermined. With that foundation in place, we believe that there are broad prospects for China-US cooperation.

CDC

节目40 歌曲《难忘今宵》李谷一 张英席 白丽莎(孔子学院学员)、茹丝(孔子学院学员)、李天翼(孔子学院学员)、吴孟天(在华留学生)
“在这种情况下,这些学生的言论自由权利根本没有被侵犯。”

Repurchasing shares helps boost stock prices and many analysts credit the boom in stock repurchases for pushing the Standard & Poor's 500 index to record highs.
国际移民组织说,2015年进入欧洲的移民和难民数量已超过一百万,为二战结束以来最大的移民潮。
根据报告显示,2016年第三季度增长的工作人员需求还包括拥有品牌推广技能的人,很可能要感谢“小型企业”需要为他们的公司在线网站创造一种有凝聚力的一致性的策略。
首先,我们来回顾一下这些南美国家吧。东道主巴西队肯定是第一个要提到的。时间倒流18个月,巴西在这段时间一直在努力,但是对人称“大菲尔”(Big Phil)的斯科拉里(Scolari)的任命起到了作用。他让球队重新拾回失去的信念。在2013年联合会杯决赛中,3:0大胜西班牙的战果让诸多专业人士震惊,也在突然之间,巴西让人们对他们寄予了厚望。虽然你无法驳斥这样的比分,但是我们依旧想知道巴西是否有实力赢得此次世界杯。人们预计,内马尔(Neymar)也将放出“魔法”大招,但是他们还是想依靠弗雷德来进球。这不是对弗雷德无礼,不过,在1994以及2002年,巴西之所以能够赢得世界杯还是依靠于罗纳尔多和罗马里奥领衔前线的成功,而这两位也被誉为世界杯的传奇人物。

7. Make sure you don’t ask silly questions such as; is this Chelsea versus England?
Zhang's piece is “so lush and so rich and so full and so complete,” Google Doodle team leader Ryan Germick told the Washington Post. “Every leaf seemed to have life in it.”
单词stroke 联想记忆:
"I don't know what happened," Lowry said. "I just know I got a call for offensive foul. It happens. It's the NBA. That's all I can say about it."

The companies that have tried — and so far failed — to create a sustained ETF boom in Asia say the need for wholesale reform suggests the market will be defined by a protracted effort to convince both the regulators and customers to redraw the scenery.
台风哈维
斯德哥尔摩经济学院(Stockholm School of Economics)是今年排行榜上的大赢家,该学校的排名攀升16个位次,排在第28位,不仅排名晋升速度为年度最快,而且扭转了去年排名下滑11位的局面。
The actress posted on Instagram a seemingly heartfelt missive after the attacks in Nice and Turkey. But she paired it with a photo of her in some skimpy lingerie attempting to look seductive.
James Bond is one of the few constants that movie lovers have in this crazy world of ours. We seem to know that, no matter what, a new Bond movie is always on the way.

n. [宗
The fear was over downward mobility and cultural changes; the anger was against immigrants and indifferent elites.
“考虑到8月贬值行动引发负面反应,我们认为近期不会出台进一步的贬值,”常驻香港的牛津经济研究院经济学家高路易(Louis Kuijs)表示。“我们认为10月的贸易数据将继续(使政府)面临压力,要求其在国内出台更多宽松政策。”
It was visible, for example, on many of Frida Giannini’s Gucci runways, including the tablecloth shades and A-line shapes of leathers for autumn-winter 2014; the pastel tunics and ruffled hostess dresses of spring-summer 2013; the bright Beatle trouser suits and caftans of spring-summer 2009.
每个人都喜欢饼干,但是买一个智能烤箱似乎可以多烤一点。这个烤箱承诺在短短10分钟内就烤好饼干,但不考虑时间的因素,使用老式的烤箱似乎更容易做更多饼干。

People promoting driverless cars, the most hyped industry segment of the moment, became world leaders in verbiage. Elon Musk claimed to be “laser-focused on achieving full self-driving capability on one integrated platform with an order of magnitude greater safety than the average manually driven car” (ie Tesla cars must stop crashing).
The data highlight the growing anxieties in some sectors of industry about what they see as unfair competition from Chinese rivals.
会。供应中断和地缘政治风险因素很可能会持续出现,同时伴随着全球生产商限产。但价格能否保持在70美元或以上水平取决于:在美国页岩油供应不断增长的情况下,俄罗斯是否愿意继续支持沙特阿拉伯牵头的限产努力。参与限产的其他国家也需要继续坚定地遵守协议——随着各国政府受益于油价上涨,继续遵守协议的动力将越来越小。
James Bond Themes 8. "You Only Live Twice" by Nancy Sinatra

7. Cannes' 'year of women' didn't go so well
加拿大人:到了英国,你们恐怕会一次又一次地被人误认为是美国人,还会因为那些和你们毫无关联的事情而备受指责。除非你能想出一种简便快速的办法,让人一眼就能看出你是加拿大人(在衣领上夹一朵花?穿马鞍鞋?戴枫叶图案的眼罩?)要不然你也就只能慢慢习惯,不再抱怨了。
不过目前来看,这些潜在的乌云似乎都没有遮住特斯拉在帕洛阿尔托总部的阳光。特斯拉仍然坚持在2020年之前年产50万辆汽车的中期目标。这在很大程度上要取决于Model X是否有能力维持当前的势头。特斯拉已经大大提高了资本和研发支出,以确保Model X的顺利发布(虽然已经推迟了一年)。
在导演阿方索?卡隆(Alfonso Cuaron)和同事们(其中包括知名电影摄影师艾曼努尔?卢贝兹基(Emmanuel Lubezki)、制片设计师安迪?尼克尔森(Andy Nicholson)和编剧霍纳斯?卡隆(Jonas Cuaron))的共同努力下,《地心引力》丰富了电影的拍摄手法。《美国电影摄影师》(American Cinematographer)杂志上个月的封面故事刊载了关于《地心引力》制作过程的文章,对电影技术感兴趣的读者可以一探究竟。读者们可以在网上阅读该杂志。不过任何看过《地心引力》的观众都已经领会到了该片的情感内涵,这部电影把观众们带进入了一个寂静危险的外太空和一个深度愉悦的内心世界。
BATTLE CREEK (CBS, March 1) What a difference a hit makes. Vince Gilligan wrote a pilot script for this frenemy-cop show more than a decade ago, before he was Vince Gilligan, creator of “Breaking Bad” (and “Better Call Saul”). Now it’s being made into a series with a 13-episode guarantee from CBS. Dean Winters (“Law & Order: SVU,” “30 Rock”) plays a local detective and Josh Duhamel (“Las Vegas”) a slick F.B.I. agent who work together, uneasily, in the Cereal City of Battle Creek, Mich.
康乃尔大学商学院院长兼该报告的合著者苏米特拉·达塔表示:“在提高创新素质上面投资是 缩小创新鸿沟的关键。”

In the next few years, by 2018, theincrease to $1.3 trillion will be due to about $100 billion on hepatitis Cdrugs, the same sums spent on cancer treatment, and $78 billion on diabetescare.
此器于2012年由考古学家发掘出土,此后一直保存在仪征博物馆,未向对外展示。
The 54-episode series The Journey of Flower was one of the hottest topics on social media. The TV drama became a hit in the summer of 2015. The movie starring Huo Jianhua and Zhao Liying is based on a novel of the same title written by Fresh Guoguo. The aesthetical adaptation has picturesque outdoor scene in a Chinese ink painting style and charming male and female lead roles, attracting 800,000 followers on the drama`s official Weibo. The drama premiered in June of 2015. It tells a story from a female perspective of an orphan`s growth and romance on her way to becoming a goddess.

I can't stop thinking that these children are my age, that it makes a tremendous difference where you are born, that I could be one of those children living in the Favellas of Rio; I could be a child starving in Somalia; a victim of war in the Middle East or a beggar in India. 我永远不能忘记这些和我同龄的孩子,当你出生的时候,他和我们真的很不相同,我也许生活在贫民窟,也可能是终日饿着肚子的小孩,也可能是中东战争的牺牲品,或者印度的小乞丐。
Stanford's Zhenan Baohas has developed a super-flexible, super-durable, and super-sensitive material that can be the basis for future synthetic skin. People have tried developing synthetic skin before, but Baohas's material handles touch sensitivity better than any predecessor. It contains organic transistors and a layer of elastic, letting it stretch without taking damage. And it's self-powered—this skin contains a series of elastic solar cells.
Wheel skates look somewhat like regular inline skates, except that the wheels are much larger, up to the size of bicycle tires. They are seen as a cross between an inline skate, a ski, and a bike. Recently, a company called Chariot Skates said they had come up with something unique—the Chariot wheel skates. According to the company, wheel skates are "revolutionary new skating products." Revolutionary? They do at least revolve. New? No. The first wheel skate was made more than 142 years ago.
Homeowners in neighborhoods like the Grand Concourse in the Bronx or Elmhurst in Queens could enjoy new attention from buyers eager to find the next untapped market. “When have you heard talk about Kingsbridge in the Bronx?” asked Ms. Ramirez of Halstead. “The people who are smart are getting out there and buying it up at wonderful prices.”
不要误以为最后时刻的风平浪静就意味着截止期限前的动作是平淡无奇的: