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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

海欧卫浴欲借齐家平台打造国际化建材O2O

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 新区推进老旧小区改造 助力建设15分钟生活圈 the quarantine period, and its counterpart organizations do so abroad, all in concert with the World Health Organization.

Antarctic
[si'lebriti]

Among the gargantuan hedge funds that make up a majority of the industry’s assets under management, dispersion of returns shot up to notable levels. And for every big winner, like William Ackman’s Pershing Square, there was a big loser to counterbalance it, like John Paulson’s Advantage Fund. Investors choose hedge funds for their “non-correlated returns,” meaning a tendency to move opposite from the general market’s direction. They certainly got such returns this year, unfortunately.

该调查发现,211和985重点建设高校毕业生的薪酬水平大幅度领先普通高校毕业生。
['?n'steibl]
“It is an area where clearly the fundamentals are slowing down,” he says. “I sold down a little bit, then the whole correction happened very quickly, so I waited for a rebound and sold there.”
●Van Full Of Illegals Shows Up To Vote Clinton At SIX Polling Places, Still Think Voter Fraud Is A Myth?
再见,卡西尼号
Take targeted and powerful measures to strengthen areas of weakness.
Hillary Clinton and Donald Trump can look forward to a presidential salary of $400,000 if they win in November.
奥巴马的另两条上榜推文是在他卸任时发布的。

"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

LONDON — Since its inception in 2002, the Saturday Profile has aimed to bring to readers of The New York Times people around the world they probably have never heard of, but who have led interesting lives and done extraordinary things, or perhaps recently gone through a remarkable experience.
The shortage of supply-chain talent explains why 48% of U.S. companies plan to snap up logistics grads in 2011, according to a new survey by the National Association of Colleges and Employers.

支持:《敦刻尔克》讲述了一场重要的历史事件,深受观众和影评人喜爱。
adj. 不可否认的,无可辩驳的
Tsinghua University came in at 45th place, as the third-highest ranked university in Asia. Peking University took the 57th place in the rankings. Zhejiang University took 67th place in its first appearance in the top 100.
OfficeTeam公司的执行总监罗伯特o霍思金表示:“离职的方式会给人留下难以磨灭的印象。”确实如此。本次调查中的绝大多数(86%)人力资源经理声称,

“…was snervous she almost fainted.”
vt. 创立,开始,制
Directing for a Comedy Series: Jill Soloway, “Transparent” (“Man on the Land”)
昔日影坛风光无限米高梅公司重组计划已获得批准,电影公司将由望远镜娱乐公司( Spyglass Entertainment )掌舵再次出发。而MGM也将不会在作为电影电影发行公司,而仅仅是一个制作公司。这使得第二十三部《007詹姆斯-邦德》电影问世日期更加具体化。
法律

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

A fallen tree blocks a street in Washington, DC, on Tuesday.
We believe our initiative of mass entrepreneurship and innovation is a response to the call of our time, the government self-targeted reform of streamlining administration and delegating power is also to boost this public enthusiasm for business start-ups and making innovations.

CDC

Meanwhile, former Fifth Harmony star Camila Cabello proved her solo career is getting off to a flying start as she picked up the Best Pop award for her debut single, Havana.Her win meant that Taylor Swift was dealt another award snub, though it was just one of many for the singer, who recently made her return to the spotlight following her one-year hiatus.
breakthrough

The programme entered the ranking in second place in 2006 and was ranked top in 2008.
The biggest story of the festival had nothing to do with films. It was about shoes. On Tuesday trade magazine Screen reported that a group of women had been denied access to a screening of Todd Haynes' Carol because their footwear – flat shoes with rhinestones – was unsuitable for the red carpet. Further tales came tumbling forth, social media erupted in indignation and soon enough we were soon dealing with a fully fledgedscandale. The Cannes press office rushed out a garbled statement: “Rules have not changed throughout the years (Tuxedo, formal dress for Gala screenings) and there is no specific mention about the height of the women's heels as well as for men's. Thus, in order to make sure that this rule is respected, the festival's hosts and hostesses were reminded of it.” Well, that cleared that up. Perhaps wisely, press screenings are exempt from any dress code: scruffy journalists are free to ascend the Palais' steps in flip flops and trainers.
Sweden’s foreign minister, Margot Wallstrom, a proponent of a “feminist foreign policy,” opened up to Ellen Barry about her abuse at the hands of an old boyfriend when she was a young woman, something she had never said publicly before.
In the 2013 survey, Tokyo reclaimed the title as the world's most expensive city. Currency swings pushed Zurich into the No.1 position last year but government exchange rate controls have driven the Swiss city back to No.7 in the list. Osaka in Japan was ranked the second most expensive.

单词recommend 联想记忆:
The hair creates a resemblance to the look of Michelle Pfeiffer, but Ms. Chastain gives it more of an edge. Kay Georgiou, who frequently styles the hair of Matt Damon and Gwyneth Paltrow for films, oversaw the look.
The show airs on CBS December 4.
13) I am often down in the dumps 0 1 2 3 4

An odd assortment of S&P sectors led the market higher this year, with some strange bedfellows atop the leaderboard. Even if a manager had foreseen that the healthcare sector would gain 27% this year, would they have guessed that utilities would be in the No. 2 slot, with gains of 23%? Unlikely.
The data was released by the National Bureau of Statistics on its website, saying the growth rate rebounded for the first time after a four-year straight drop.
(复数)dealin
Best film and best director. Surprisingly, Nolan has never received a directing nomination from the Academy.
We learned that you can never turn a wolf into a pet dog.

除去这些宏大的制作,共有40位闪亮的模特走上T台。
While British schools moved up two places on average, French schools, the largest group from any one country, fell one place on average. EMLyon Business School dropped outside the MBA ranking and lost 15 places overall, while Edhec Business School failed to make it into the Executive MBA ranking and lost eight places overall as a result.
我们坐在这里指点江山,告诉那些球队“你们没指望了,赶紧输球摆烂吧!”这是很容易的,但是我们并不是那些在为球队门票和广告殚精竭虑的家伙们。
[ik'sentrik]
While Jodie Foster used to opt for the bathroom – “they looked good with the faucets” – she has since moved the two she won for The Accused and Silence of the Lambs to a much more orthodox spot: a trophy case.

Children and hobbies do not belong on a résumé. And never, ever say, "Now that my kids are in college, I'm ready to get back in the workforce."
还有仅仅9所商学院参与了所有4项排名。它们的排名从第三(西班牙企业商学院)到第38位(米兰理工大学MIP管理学院(Politecnico di Milano School of Management))不等。
['?up?nnis]
乔布斯在苹果大会上作专题演讲后展示MacBook Air ,2008年,1月15日,旧金山

['i?ju:]
[str?uk]
The exchanges revealed there is little major difference between the two in term of their approach to security and foreign affairs. On Iran both vowed it will not be allowed to have nuclear weapons. Rommey said he would introduce more stringent sanctions; Obama said they were already as stringent as they could possibly be.
While oil prices may rebound in 2015, they almost certainly won't return to $100 a barrel any time soon, barring a geopolitical crisis in a major petroleum-producing region. So the gift will keep giving this year and further feed an accelerating U.S. recovery.
At the end of a politically charged ceremony in which Donald Trump was the subject of frequent jokes by host Jimmy Kimmel, Warren Beatty and Faye Dunaway announced that La La Land had won. But as the producers and cast of Damien Chazelle’s modern musical were on stage giving emotional thank you speeches, they were told that Moonlight was the real winner.
日前,一名14岁的中国少年,在一个晚上的时间内克服了人类史上的两大恐惧:被困电梯和完成家庭作业。而这多亏了他机智的性格。

More than 430,000 students from 1,767 universities in 31 provinces, municipalities and autonomous regions across China were surveyed. Of the respondents, 89.2% had considered starting a business, with 18.2% reporting firm intentions to do so.
Amy Kazmin
Technology is hardly a brand new phenomenon in the legal world — many firms now have partnerships with AI and machine-learning businesses, while some have set up their own “incubators” or invested in lawtech start-ups. But the trend has reached critical mass and will accelerate sharply in 2018.

以100亿港元(合12.9亿美元)购入大新金融中心(Dah Sing Financial Centre)的中国光大控股(China Everbright),只是过去一年里在香港大举购置总部大楼的众多内地企业之一。
政府确实管了一些不该管、也不应属于自己管的事情,它束缚了市场主体的手脚,降低了行政效率,甚至影响了政府的公信力。
We will work proactively to expand effective investment.
In that meeting, he told Jacobs that such problems would decrease, as China is reforming its management system in science and technology, according to a statement by the association on Friday.
established