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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

一些商品房公摊面积让购房者很受伤

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 曲美家具更名“曲美家居” 崭新OAO秒杀O2O the quarantine period, and its counterpart organizations do so abroad, all in concert with the World Health Organization.

The Raptors entered February as the team that most needed to make a move: their hot start was fading, their defense wasn't up to snuff for a contender, they had a massive hole at the four, and they felt added urgency to make the most of Kyle Lowry's prime in advance of his upcoming free agency.
When M·A·S·H first aired, the characters of Hawkeye and Trapper were meant to be equally sized roles. It was with that understanding that Wayne Rogers agreed to take the role of Trapper John. However, as Alan Alda began to make changes to the characters and have more influence on the direction of the show, Hawkeye began to seriously eclipse Trapper.

‘Law & Order: SVU’ This NBC ripped-from-the-soap-opera perils of Olivia (Mariska Hargitay) — psychopath rapist-stalker, tortured love affair, new baby — that took up so much air last season finally died down, and this season, the show’s 16th, the detectives got back to sex crimes à clef, including a Ray Rice-inspired episode about a star sportscaster who was seen on a surveillance camera punching the lights out of his wife.

我更愿意和别人保持距离
The incomes of graduates from universities listed in China's 211, or 985 key university national projects are far ahead of those from ordinary universities, the survey found.
BAD SPORTSMANSHIP
None of these potential clouds appear to darken the sunny view from Tesla headquarters in Palo Alto. Tesla is sticking with its middle term goal of building 500,000 cars a year by 2020. Much will depend on the ability of the Model X to maintain the current momentum – and mystique. Tesla has steeply ramped up spending on capital expenditures and R&D to make sure the launch, already a year behind schedule, is a success.
Explaining how he adjusted the novel, he said: 'I think the answer is that in the book I remain true to every one of Bond's things.
但来自宾夕法尼亚州(Pennsylvania)的玛蒂?齐格勒(Maddie Ziegler),她的人生完全不是这么一回事。
社交网络公司Facebook 、电子商务巨头亚马逊和玩具公司乐高则是品牌价值增幅最大的企业。
美国谷歌搜索2017排名前十

"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

If the bounce is minimal and transitory it will be clear that the structural shift is under way. I hope the companies which are over invested in expensive projects and countries still overwhelmingly dependent on oil and gas revenues are ready.
中国人民大学近日发布的我国大学生创业报告显示,学生学位与其创业意愿成反比。

Morgan Slain, CEO of SplashData said: "Seeing passwords like 'adobe123' and 'photoshop' on this list offers a good reminder not to base your password on the name of the website or application you are accessing.
如今,蓬勃发展的互联网经济在支撑我国信息技术(IT)行业财富增长方面正发挥着越来越重要的作用。
hospitality
2018年特里萨梅(Theresa May)会继续担任英国首相吗

“失业”是金融类最热门的搜索项,其次是“华尔街公司”和“产品召回”。
为了缓解人口过多的问题,科学家研究出一项技术,可以将人缩小到只有5英寸高(12.7cm)。保罗(马特?达蒙饰)和妻子奥德丽(克里斯汀?韦格饰)决定把紧巴巴的生活抛在身后,自愿缩身加入一个全新的迷你社区。这一决定使得这对夫妇的人生发生了翻天覆地的变化。
"When the actual dependency ratio of pension insurance gets down to three to one, the payment cannot be lower than 17 percent. If it drops to two to one ratio, it means that everyone is going to pay 25 percent. The financial burden gets heavier when the dependency ratio gets lower. The restructuring of pension system must be finalized in two years." Yang said.
Every point we think we've reached where James cannot be better than he has been, he then blows past it like a poor center switched onto him. What will be discussed most is his all-encompassing skill, but this is also a testament to the work that James puts in. You can mock all those Instagram videos he puts up, but those are the real reason he's still able to do this; James has never cheated the game, not a day in his life, and the result is incomparable performance night in and night out.
Aaron Hernandez

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

但最近,回购势头开始减弱。跟踪回购比例最大的100家公司的标准普尔500回购指数最近创下了自2012年年中以来的首次下跌。随着股价连创新高,股票回购所产生的推动作用消失,公司投资较长期项目或使用多余现金进行收购变得更有价值。
巴尼汤普森(Barney Thompson)是法律记者

CDC

The blocks of flats which were up to 12 storeys high in the city of Wuhan are making way for a huge new business district including a 707-metre tall skyscraper.
Start-ups

在2016年中国制作的772部电影中,有43部的票房超过了1个亿。中国电影在2016年收获了38亿元的海外票房,年增长率超过38%。
动作、探险剧《盗墓笔记》改编自徐磊(笔名南派三叔)的畅销网络小说。它也是中国第一部季播网络剧,预计该小说将被改编为8季,每年播出一季。第一季于2015年6月播出。同名系列小说讲诉了吴邪和小伙伴们在古墓探险的故事,该小说2006年在网上发布后受到了大量粉丝的追捧。因此,大家对改编电视剧期望颇高,不过它却让粉丝们大跌眼镜。尽管首播2分钟后,网络点击量就超过了2千4百万,不过第一季的薄弱情节和粗劣品质很快就被粉丝们炮轰了。剧中的一些台词甚至成了社交媒体上调侃的段子。
马特达蒙凭借他在《火星救援》中扮演的被困宇航员一角而荣获喜剧类最佳男主角奖项。
时间:2011-11-03 编辑:Lily

Coming of age: in the modern banlieues of Paris and in San Francisco in the 1970s. These movies dramatize the harrowing, thrilling passage to womanhood with unsparing honesty and infinite compassion.
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。
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.
Jack Ma, founder and executive chairman of e-commerce giant Alibaba Group topped the ranking of China's richest IT people for the third consecutive year.

"We have a system here in America where if something is for you and if they find it, it gets to you, that's beautiful," he told US TV station WTAE.
深化农村改革。
The school is also second for its international course experience. More than four in five of its latest graduating cohort went on an internship abroad and over half studied in another country for more than a month.
Index: 96.6
时间:2009-11-19 编辑:vicki

Trium的学员重视与资深和国际高管一同学习的机会。一位学员表示:“它允许我们彼此交流(想法),获得和课程本身一样多的额外知识。”
vt. 插于,刺入,竖起<
There are many more 2016 movie releases that will do well at the box office, but there are only a few that we're all eagerly waiting to watch.
[l?un]
'In the meantime, the U.S. continues to grow its own domestic production both in oil and gas. I think, for us, it's less about where the actual price is going--it's more about how much more growth is left in North American oil sands, shale gas, shale oil,' as well as shale exploration elsewhere, he said.

File this under "great, yet stupid gift ideas." The BOx bottle opener claims to be the "world's first smart bottle opener" but it's not groundbreaking. This bottle opener sends a message to your friends via Messenger every time you open a bottle — crazy, right?
Supporting Actress in a Comedy: Kate McKinnon, “Saturday Night Live”
在2010年世界杯中,智利当属最振奋人心的一支队伍,并在最近的温布利比赛中让英格兰队在赛场上四处兜转,不过,如果哥伦比亚队能够融合射手拉达梅尔·法尔考(Radamel Falcao),那么这支队可能会让一两支队伍神伤了。因此,在所有的南美洲球队中,似乎只有厄瓜多尔难以走出小组赛,而其余的所有国家都有能力奋战到后面的阶段。
52% of the world lived in extreme poverty in 1981. This number dropped down by 21% in 2010, as 721 million fewer people no longer live in absolute poverty.

《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")。
“I’m 17 – I want to be with my family and friends and school,” he said. “I’m going to be in London for the foreseeable future.”
在"踢脚舞"这集中,我们得以看到伊莱恩·薄伯那难以置信的滑稽舞步。简直难以想象没有她这么带感的放克舞蹈,《宋飞正传》会是什么样子。然而,令人震惊的是,那差点就成了现实。编剧之一斯派克·费雷斯滕知道,制作人拉里·戴维一定会反对这场舞戏,所以他只能等到戴维离开之后。当他的这场舞戏终于获得许可,却又遭到不少同事的强烈反对。
无论黑莓和三星联姻这种事是否发生,时代的发展已经凸显了移动技术下一波创新(和诉讼)浪潮的所在:在日益移动化的世界中掌握权限控制方法,阻止企业遭到黑客袭击。(财富中文网)
spread
他还表示“包括现代汽车(Hyundai Motor)和爱茉莉太平洋(AmorePacific)在内,几乎每家韩国大企业都严重依赖对华销售。”

总之,勒布朗在过去的9年里能很好地强化他那野兽般的身躯,我们感到很欣慰。
Good health, good luck and much happiness throughout the year.
艾伦是一名优秀的喜剧演员并凭借自2003年起主持由她自己名字命名的脱口秀节目而被观众喜爱熟知。

n. 警戒,警惕
Stand: Apple CEO Tim Cook fought for workplace protection for the LGBT community
Google's top searches for 2017 included Matt Lauer and Hurricane Irma.The search giant has unveiled its annual Year In Search results that show the top Google searches in various categories globally and by country.
愿快乐幸福永伴你左右。
单词combat 联想记忆: