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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

新华社:长风破浪会有时——探寻中国经济的底气

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 棚改降温对企业债的直接影响有限 the quarantine period, and its counterpart organizations do so abroad, all in concert with the World Health Organization.

28 September
After all, during the last round of collections, the most striking pieces — from Louis Vuitton, Dior, Proenza Schouler, Narciso Rodriguez — had a streamlined momentum that wasn’t dragged down by any decade-related reference, or identity. They were clothes that went striding into the future, freed from the weight of the past.

长期以来,中国增长数据的人为平稳广为人知,但以购买力平价汇率计算,如今中国毫无疑问是世界第一大经济体,因此这些统计数据传达的信息带来了更广泛的影响。

Two terrifically entertaining, ensemble-driven, fact-based procedurals about appalling crimes and the institutions — the Roman Catholic Church and Wall Street banks — that allowed corruption to fester. In addition to mustering righteous anger, Mr. McCarthy and Mr. McKay, in very different ways, managed to infuse the routines of modern work (answering phones, typing on keyboards, scrutinizing spreadsheets) with suspense, emotion and moral gravity.
格雷格森还说,“与此同时,美国国内的油气产量将继续增长。我认为,对我们来说,问题不在于实际油价走势如何,关键是北美油砂、页岩气、页岩油产量以及其他地区页岩油气勘探水平的增幅能有多大程度的提高。”
vi. & vt
该银行表示,由于利率只会缓慢上行,大宗商品可能会吸引那些寻找更高收益率的对冲基金和其他投机客。
中欧之间存在贸易摩擦,我们有经验去妥善解决。
The number of such applications in Beijing last year increased 426% from that of 2015.
D'Aloisio's parents came to England from Australia. His father, Lou, has worked in commodities for BP and Morgan Stanley, while his mother, Diana, is a corporate lawyer who also serves as her son's contractual representative. They always knew D'Aloisio was an extremely inquisitive child. 'But he was our first, so we didn't think it was anything out of the ordinary,' says Diana. (D'Aloisio's brother, Matthew, is 14.) They stress that despite his impressive accomplishments, he remains a normal kid. Or at least as normal as a kid can be when he's making offhand references to Markov models and stochastic processes. 'He still goes out on weekends, still goes to parties,' says Diana. 'He's got a girlfriend. All the things you do at 17.'
根据周一上海电视台的报道,2015年,上海市外来常住人口出现15年来的首次负增长。

"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

乔斯·威登在度假的时候萌发了创作《萤火虫》的设想。他当时正在读一本叫做《天使杀手》的书,这本书讲述了一名葛底斯堡战役中的士兵的故事。威登深深地被这个士兵日复一日的艰辛生活所吸引。这本书的作者描写了大量日常生活中的繁琐细节,以及人们如何在缺乏现代科技和商业之便的情况下艰难度日。而威登对这种描写方式推崇备至。
n. 面具,面罩,伪装

新兴市场需求减弱使2015年成为全球金融危机爆发以来世界贸易最糟糕的一年,凸显出对于全球经济健康的担忧加深。
此外,今年有66位40岁以下的富豪入选,创下了该榜单的记录,诺依曼,希伯尔曼和夏普三人位列其中。
统筹城市地上地下建设,再开工建设城市地下综合管廊2000公里以上,启动消除城区重点易涝区段三年行动,推进海绵城市建设,使城市既有“面子”、更有“里子”。
Three Billboards Outside Ebbing, Missouri is a darkly comic drama from Academy Award winner Martin McDonagh.

科派斯塔克表示,东京回归榜首并不让人惊讶,因为东京的高工资推动了物价的上涨,房价和房租也很昂贵。
10.《萤火虫》灵感来自葛底斯堡战役
办公室总有一两个让人让大多数人都无法容忍的人,但是如果你不喜欢大多数的同事,那么你的工作就会变得不愉快因为你不得不整天和他们在一起工作。如果你再也不能容忍他们,试试找一个你能够和里面的职员和平相处的公司了。
ICBC said net profits increased 0.5 per cent for the year to December 31 2015 — the smallest increase since it listed. Returns on average total assets declined 0.1 percentage points to 1.30 per cent.
这里有一些散步和骑行的小径可通往其他的湖滨社区以及市中心,骑车去市中心15分钟可达,开车10分钟。附近有步行者艺术中心(Walker Art Center)和几座博物馆。冬天湖上很多人玩冰球和滑冰运动;夏天则流行划独木舟、游泳和钓鱼。

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

被氦气顶起来的泡沫穿过图形模板。
Captain America: Civil War will hit theatres May 6, 2016. Who's side are you on?

CDC

Adapted from an online novel Queen of No.11 Agent, the TV series is about the adventure of a female slave Chu Qiao and her romance with a prince Yan Xun.
Do you feel any of your worksare underrated or wished was a little bit more popular?

麻省理工学院(MIT)最近发表了一份白皮书。虽然该报告的题目听起来不免有些不吉利——《你是否已为供应链人才危机做好准备?》(Are You Prepared for the Supply Chain Talent Crisis?),却一语中的。这项研究表明,供应链经理需要掌握先进的技术技能,同时还得具备“高度的外交手腕”,精通总体业务战略,能娴熟地解决各类问题,要能在混沌状态中求生存。
AFI TV Programs of the Year
He and his girlfriend wrote to each other when he was studying science, he said.They did eventually marry and have four children.
v. 屈从,死

The Big Bang Theory is not short on geniuses. Not only is the show about highly intelligent scientists, but cast member Mayim Bialik has a Ph.D. in Neuroscience. So it should come as no surprise that the cast would want to show off their intelligence and attention to detail. In Sheldon and Leonard's apartment, there's a large white board. The two roommates use the board frequently for everything from actual work that Leonard or Sheldon has brought home, or to decide whether to eat before or after the new Spider-Man movie.
3. Mathematician
-
上海实施新措施一年以来,受理外籍人士及其家属永久居留申请同比增长6倍。

《固定电话》是今年唯一一部必看的家庭喜剧/剧情片。
“trustno1”(不相信任何人)毫无疑问也上榜了,排名第25。
世界卫生组织宣布小头症及其他神经系统紊乱疾病的爆发构成国际关注的公共卫生紧急事件,呼吁国际社会联手应对。
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.
The banks' ability to return money to shareholders have declined. The slowing earning growth, high nonperforming loans and required deposits on the reserve have placed pressure on the banks in regards to capital supplement, said Guo Tianyong, director of the China Banking Research Center at the Central University of Finance and Economics.

“An employee sent his boss a text message to say he was leaving.”
intelligence
你一定有一个连走路时都念念不忘的怪癖。你只想聊这个。瞧着吧,观众会被你帅到的。
如果你每周的周一到周五没有一天早晨醒来感到一种想要去工作的兴奋,那么这就是一个问题了。那意味着你没有能够享受你的工作并且你的工作正在破坏你的生活质量。如果你每天醒来,恐惧去上班,那么是时候辞掉你的工作了
In a humiliating 111-77 loss to the Golden State Warriors at Oracle Arena, Bryant shot 1-of-14 from the field, including 1-of-7 from 3-point range, and scored four points. He also shot 1-of-14 in a loss last season to the San Antonio Spurs.

9. How to reset iPod
“如果30年前的改革是解决意识形态问题,现在则要解决利益问题。改革是调整既得利益,等于拿刀割自己的肉,很痛苦,需要下定决心、坚定信心。”
The lending conditions were not limited to nude pictures. Also leaked were a number of screenshots of supposed dialogues between the borrowers and lenders, with one lender demanding that the female students deliver a video of herself masturbating.
"Forty percent of Donald Trump's fortune is tied up in Trump Tower and eight buildings within one mile of it," according to the magazine. "What happens in that micromarket does more to affect the net worth of Donald Trump than anything else in the world. Lately, the neighborhood has been struggling (relatively speaking)."

支持:影片演技大获好评,尤其是故事的主人公——那些孩子们,以及旅馆经理的扮演者威廉达福。
Paris is in third place with 18.03 million forecast visitors.
注册营养师艾利克斯?图鲁夫称:“糖屑中含有糖分,而金片与此不同,它不含碳水化合物、脂肪或蛋白质,所以不能提供热量,没有味道,主要用于装饰。”
被氦气顶起来的泡沫穿过图形模板。
In 55th place, University of Edinburgh Business School regains the rank it held two years ago. The school dropped down the tables last year after failing to make it into the Masters in Management ranking. The University of Bradford School of Management recorded its best progression, aided by the school’s first appearance in the ranking of the top 100 Executive MBAs.
其他两家手机制造商OPPO和vivo的增长率都超过了100%,在2016年分别出货9940万台和7730万台。

在6月30日举办的机器人足球世界杯决赛上,荷兰机器人不敌中国“水之队”。比赛刚开始一分钟,中国队便率先破门得分。中场结束前荷兰队扳平比分,但下半场“水之队”再度攻入一球,领先荷兰队一分。
Justin Bieber's split from Selena Gomez was the most enquired-about relationship bust-up while Victoria Pendleton beat Georgia Salpa as the most searched-for participant in a reality television show.
2016全球大学国际化水平排名是由《泰晤士报》高等教育从28个国家的200所大学选出的。它采用了几项指标来衡量,比如国际员工的比例,国际学生的数量,每个学院至少有一个不同国家的作者合著的研究论文出版等。

单词vigilance 联想记忆:
['kriminl]
当你在求职布告栏比如Monster或者Indeed发布你的简历时,你现在的雇主是可有机会看到你的简历的。Foss说很多人事和经理经常在求职栏搜索职工的名字看他们是不是在找工作。
n. 饰带,花边,缎带
As the title suggests, the show also features the mothers of the pupils and the way that they often pit their children against each other.