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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

供应稳步向上 9月上海楼市复苏有望

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 房产中介随意收费:信息不对称 经纪人看人索价 the quarantine period, and its counterpart organizations do so abroad, all in concert with the World Health Organization.

《一位德国女权主义先锋在痛苦中回顾过去》(A Pioneering German Feminist Looks Back in Anguish)
第六步 找到你的“花生”

支持:奥德曼塑造的战时领袖丘吉尔收获一致好评,而这对他似乎是手到擒来的。

rumor
对于购房者,也不都是坏消息:房价明年(2015年——译注)仍将上涨,但步伐可能会从飙涨趋于平缓。“房价不会一味地陡然上涨,”柯克兰集团(Corcoran)的首席执行官帕梅拉·利伯曼(Pamela Liebman)说,“买家都有点疲劳了。”
Mr Mallaby’s 800-page book was published in October by Bloomsbury and Penguin Press, and was hailed as “exceptional” in an FT review. It came up against strong competition from five other shortlisted books tackling the world’s critical economic and management challenges — from the US productivity gap to persistent gender imbalances.
当支持者在周一早些时候涌向总督大楼,一人高喊,"今天,新的波多黎各开始了!" 随着其他人的欢呼,包括那些拿着美国国旗的群众。
两种颜色!也许它听起来不算重大变革,但一切都是相互关联的。要知道:这不是因为优柔寡断,而是因为社会进步。不管怎样,这是潘通的立场。
Recent years have seen a return of the bacterial infection, reaching numbers not seen since the 1960s, with admissions for a primary diagnosis more than doubling between 2010/11 and 2017/18, from 429 to more than 1,300.
盖尔 加朵
Last week, Clinton campaign chairman John Podesta said that the former first lady's shortlist of potential running mates will include women, quickly leading to speculation that Clinton will consider Massachusetts Sen. Elizabeth Warren, a popular progressive, for an all-female ticket.

"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

5、《X战警:天启》
If successful, Hurun estimates that Mr Wang’s net worth could soar past $50bn, making him one of the world’s 10 richest men.

年度最佳单曲:米兰达·兰伯特《Over You》
时间:2010-05-17 编辑:francie
诺贝尔化学奖颁给了一位尝试制作世界上最小的分子机器的科学家。
11月份,财新赞助的中国综合PMI指数读数为50.5。这是自7月份以来,该指数首次超过50这个区分收缩和扩张的荣枯线。

玛蒂的知名度如此之高,以致于她在Topshop(服饰店)被尖叫的青少年粉丝们围堵了,小粉丝们激动地要求和偶像自拍合影,这对于玛蒂来说有点难以适应。
今年中央各部门及下属部门的招考岗位达到27,817个,创下历史新高。
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.
As fall arrived and school began, D'Aloisio felt immense pressure to deliver for his backers. He needed to whip his algorithm into better shape, so he contracted a team of Israeli coders who specialize in natural language processing. Searching on Google, he found and hired a retired professor living in Thailand who'd written seminal books on the topic. 'He became our main scientist,' says D'Aloisio. 'He now works at Yahoo! in the Sunnyvale office.'
Who greets a member of any royal family, however young, with a high five?

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

Turkey’s ministers have been rallying Turkish expat communities across Europe to win support for Erdogan-backed constitutional changes, which will be voted on in a referendum next month.
['benifit]

CDC

With another Fast & Furious movie slated to hit theaters next summer, Johnson should have another banner year in 2014. He could do even better thanks to Hercules. The film, about the mythological hero’s life after he completes his famous 12 labors, has franchise potential written all over it. If it’s also a big hit, Johnson’s 2014 box office grosses should be huge.
该项目在毕业3年后的职业晋升方面排名第二。Tiemba项目的毕业生数量迄今只有约250人,使他们成为一个精英团体。

The Bloomberg soft commodities index has gained 21 per cent, compared with 24 per cent for industrial metals and 1.5 per cent for energy.
Kevin Durant
Regulators clamped down on outbound deals following an unprecedented flood of offshore acquisitions in 2016 that drained China’s foreign exchange reserves. In August this year, China’s cabinet formalised a new framework that encourages deals that fit Beijing’s strategic priorities and discourages deals in entertainment, sports and luxury real estate
不会。当然,这种情况可能发生,但是只要运气不是太差,梅眼下至少可以确保英国经济不会在2019年因掉落“无协议”悬崖而急剧下滑。2017年12月,“共识预测”(Consensus Forecasts)预测2018年英国将增长1.5%。该机构对日本和意大利的预测值更低,为1.3%。因此英国明年成为G7中经济增长最慢国家的几率应该在四分之一左右。

冲击奖项:在最佳女主角的最热人选弗兰西斯麦克多蒙德面前,莎莉霍金斯的获奖几率很小。
In the Robot World Cup Soccer final on June 30th the Dutch robots weren’t up against the Chinese team “Water” from Beijing. Within a minute the Chinese team scored a goal. The Dutch made an equalizer before half-time, yet in the second half team Water scored again.
No.3: Diamond Is So Obsolete
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。

'Blue Jasmine' belongs, chronologically, to Woody Allen's late period of self-renewal. Artistically, however, it's a comfortable fit with some of the brightest comedies-the brightest/bleakest/wriest comedies-he's ever done. The centerpiece is Cate Blanchett's astonishing performance as Blanche duBois re-imagined to be the half-mad ex-wife of Alec Baldwin's crypto-Bernie Madoff. Not all that far from the center, Sally Hawkins, Andrew Dice Clay, Bobby Cannavale and Louis C.K., among others, maneuver their way through mine fields of deceit and disappointment.
During the 40 days of Chunyun period, the inter-city transportation faces great challenges. The demand for tickets far exceeds the supply. Various measures are adopted to alleviate the problem by opening many temporary trains (numbers starting with letter L), extending the working hours of booking office and opening up more booths.
门票很快销售一空,只是大多却不是落到铁杆球迷的手中。
Romance was different then - with no computers, letter writing was the only way to stay in touch and remains more romantic than emails, he said.
Consumer prices rose 2.3 per cent year-on-year, more than expectations of 1.8 per cent. That is the biggest rise since July 2014. They had risen 1.8 per cent in January.

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The ranking rates the best 100 programmes worldwide for working senior executives.
默里留了满脸胡子,这样汉农就能修剪成附图中这种浓密的胡子。“比尔以前从没留过这种胡子,”汉农说,“加点新东西,挺可爱的。”
[?.s?usi'ein]
年度最佳艺人:卢克·布莱恩

6.摄影记者
Prices in popular emerging market debt and equity benchmarks have already fallen, while net inflows from overseas investors have dropped from $285bn in 2014 to $66bn this year, according to the Institute for International Finance, a group representing the world’s largest financial companies.
报告发现,艺术学、农学、工学专业的学生创业意愿最高,而历史学和理科专业的学生创业兴趣相对较低。
“我们的人口和就业正处于历史高位,并在不断增长。这给租金和房价施加了很大压力,”纽约大学富曼房地产及城市政策中心(Furman Center for Real Estate and Urban Policy of New York University)的主任马克·威利斯(Mark Willis)说,“现在没有理由认为这些趋势可能发生改变。”

A disturbing and often bleak analysis of the automated future of work has been named 2015’s business book of the year.
Ariel Foxman In Style
把产品的一端贴合身体部位弯曲,或者绕在座椅靠背上,另一端弯曲成能保护头部安全的造型。旅客还可以用旅行枕的手状设计放置电子设备看电影。
Phil Baty, editor of the rankings, said: "it seems that China's relentless march up the global league tables has stalled, after making major gains in recent years. This new data shows just how hard it is for emerging powers to break into the traditional global elite."
3.会飞的自行车
普惠金融和绿色金融

正是由于零部件的不断缩小,这些科技设备的运算效率才得以释放,让它火遍全球。
普华永道表示:“我们目前正在调查如何能发生这样的事,并对发生此事深感遗憾。被提名人、电影艺术与科学学院(the Academy)、美国广播公司(ABC)、以及吉米?基梅尔对这一情况处置得体,我们表示感谢。”
You're networking – yes! But you're networking so thoroughly within your industry that word gets back to your boss. "The world is small," says Andrea Kay, career consultant and author of "This Is How To Get Your Next Job," so this kind of thing does happen. When sharing your résumé and other job-search materials with new and old professional contacts, explicitly state that your hunt is confidential, Foss says。

持续推进政府职能转变。
该世界大学学术排名主要考核六个客观指标,包括校友和员工赢得诺贝尔奖的数量和奖牌、高度援引研究人员的数量、发表在《自然》和《科学》期刊上的文章数量、科学引文索引收录的文章数量以及师均学术表现。
“有1400人出境去参加圣战,加入叙利亚和伊拉克境内的恐怖主义组织。” Valls告诉BFMTV。
在9月初发布的另一份报告中,世界气象组织(World Meteorological Organization)称,2013年大气中的二氧化碳水平,比工业革命之前的普遍水平高出42%。其他重要的温室气体含量也有所增加,与前工业化时代水平相比,甲烷增加了153%,一氧化二氮增加了21%。
Total migrant worker earnings are estimated to be $3 trillion annually, of which approximately 85 percent remains in the host countries. The money migrants send home averages less than one percent of their host country's gross domestic product, IFAD said.