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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

经济转型过度期 门窗企业如何应对?

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 各地税务征管社保费 不搞突击式运动式欠费清查 the quarantine period, and its counterpart organizations do so abroad, all in concert with the World Health Organization.

The Shape of Water
上赛季的封王对勇士队球迷来说是一种缓解,毕竟他们前一年经历了总决赛史上最严重的崩盘。尽管如此,但整个系列赛的感觉还是“是的,这是应该发生的。”。几乎没有什么戏剧性的事情,也没有什么争论,最后,大家都预料到会发生什么。不会引起太多谈话或兴趣,它就是这样的。

n. 块,大量,众多

While still on stage, Beatty blamed the epic mishap on being given the wrong envelope, saying he had seen the name Emma Stone from 'La La Land' when he opened his envelope.
31岁的C罗的足球圈中的死敌、今年一月击败其荣膺世界足球先生的里奥·梅西在2015-2016年度收入5600万英镑,位居第二。
Recently, a recruitment website issued the Investigation Report of Employability of 2016 Graduates. The report notes that starting salaries for 2016 graduates are 4765 Yuan, nearly 30% graduates to enter the Internet industry which provide the highest average salary.
A pair of post-mumblecore comedies about self-realization and its limits. Mr. Bujalski’s is a flawless screwball triangle (with Guy Pearce, Cobie Smulders and Kevin Corrigan as the sides) masquerading as an easygoing hangout with the oddballs of Austin, Tex. Ms. Piven surveys the darker territory of mental illness and daytime television. Thanks to Kristen Wiig’s astounding performance (as a lottery winner named Alice Klieg), “Welcome to Me” is a portrait of an American dreamer that is unsettling and inspiring in equal measure.
他表示,2017年的目标是航班整体准点率维持在75%左右。
2014届大学毕业生工作半年后,平均月收入为3487元,较2013届的3250元、2012届的3048元有了较大增长。
Dealers: Car dealers work toward reducing the paperwork involved in buying a car and the hours it takes to fill it out. That will give them more time to devote to upselling add-ons such as extended warranties, paint and fabric protection, and rust-proofing.
8. You left your résumé in the freaking printer!

"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

谁都记得几个月前,哈里王子因为媒体对其女友梅格汉·马克尔的猜测而发表了出人意料的公报。
4.Venice, Italy

Insead is distinguished not only by its one-year programme but also a strongly international culture, based upon its two campuses, and one of the most extensive and diverse alumni networks. The programme is ranked third for the international mobility of its alumni and sixth for international course experience.
她的作品《回归大自然》描绘了一台复杂的净水机器。她和一组谷歌的艺术家们共同将这幅作品变成了动画。
前十强还包括排第二的卢森堡大学,第四的洛桑联邦理工学院,第五的日内瓦大学,第七的苏黎世联邦理工学院,第八的圣加仑大学,第九的新加坡国立大学和第十的帝国理工学院(伦敦大学)。
With 10 guesses, an attacker would have a 39% chance of guessing Korean-speaking users' answers to the question "What is your city of birth?"

Exports shrank 6.1 per cent year on year in dollar terms to $209.42bn in December, according to figures from the General Administration of Customs. That fall was 2.1 percentage points more severe than a median of economist estimates and worse than a revised drop of 1.6 per cent (previously 0.1 per cent growth) in November.
《深红报》称,此次被取消入学资格的学生所在的私人脸书群组名为“哈佛饥渴猥琐资产阶级少年”。
借助于Artnet等公布拍卖结果的数据库,如今购买艺术品的富豪非常清楚要想在早期绘画大师的作品上获利非常困难。
最不淑女奖
《神奇女侠》

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

玛丽亚姆·谢里夫(Maryam Sharif)
10、 因为与邦德在一起很有趣,女人往往会迷上他,这在人际关系中很重要,也是很多首次约会一拍即合的秘诀。甚至派去杀他的女特工也会爱上他。研究证明,这也不奇怪,007的形象常被批成大男子主义,也许不错--但是,只能让他在女人面前的魅力有增无减。

CDC

汽车销量:2015年,汽车销量将达到1700万辆,但随着皮卡和SUV的走俏,各大厂商也会纷纷调整产能。低油价的压力将导致小型车的利润更加单薄。
单词foundation 联想记忆:

accurate
I'm amazed that Durant didn't get broken in half back in high school, weighing in at 6'9'', 185 lbs. Lucky for Durant, he doesn't make his money banging against big forwards. He relies on his nasty quick-shot jumper.
In the annals of climatology, 2014 surpassed 2010 as the warmest year. The 10 warmest years have all occurred since 1997, a reflection of the relentless planetary warming that scientists say is a consequence of human activity and poses profound long-term risks to civilization and nature.
In a televised debate on Monday night, Mr Wilders called on the Netherlands to expel the Turkish ambassador.

周二,她在给客户的一封信里提出了下面几个观点,令我耳目一新:
五大发展理念:创新、协调、绿色、开放、共享的发展理念
This makes China the leader among middle-income economies for this indicator, followed by India which has overtaken Brazil, according to the report jointly released by Cornell University, INSEAD and the World Intellectual Property Organization (WIPO).
狄更斯在《双城记》中描写法国大革命时,距离事件发生已有近一个世纪。而我则是在今年12月就回顾盘点这一年。因此,我在此描述的某些趋势,可能将在可预见的未来继续存在,而另一些趋势则可能已经开始减弱。作为当今时代“最哗众取宠的权威人士”之一,我只要求各位在阅读这篇评论文章时记住一点:过去的业绩并不能保证将来的表现。

同时,2016年应届毕业生选择就业的比例有所上升,比例由2015年的71.2%提高到 75.6%。
阿姆斯特丹危机始于荷兰Seppenwolde银团对东印度公司的股价做出了巨额的反向下注。这只股票在1771年早已大跌,主要是因为孟加拉的损失。但这家公司靠借钱继续支付高股息,掩盖了问题。Seppenwolde深信东印度股价会很快反弹,基于保证金大举买入该股。但它的股价并未反弹,在东印度公司降低了股息后,股价甚至进一步走低。
Social media finds you as you browse
玛戈特·瓦尔斯特伦(Margot Wallstrom)
时间:2010-05-31 编辑:francie

reg统治,ulate-管制
The “cool” factor isn’t the only issue. Security and privacy, particularly around the management of consumer data, remain a concern as the tech industry seeks to bring more of our body parts online. As The Economist notes, the glamour of developing sensors and algorithms for wearables is distracting everyone from glaring missing elements, “standards, interoperability, integration and data management” and “intellectual-property rights and regulatory compliance” among them. All this in an environment where paranoia remains over the National Security Administration’s activities.
除非查尔斯-奥克利成功控诉纽约老板詹姆斯-多兰,尼克斯2016-17赛季唯一的亮点将是克里斯塔普斯-波尔津吉斯在全明星周末斩获技巧挑战赛冠军。
Guangdong has cemented its position as the country's largest provincial economy for the 28th consecutive year, with its gross domestic product (GDP) exceeding 7.9 trillion yuan in 2016.
如果此时打断老师讲课不太合适,你可以快速记下自己的问题,以免忘记,之后再问老师。

According to the Chinese Academy of Social Sciences, China's migrant workers account for around 50 percent of the labor force in industrial and related sectors. Yet they don't enjoy equal rights as city dwellers because of household registration requirements.
Shapley made early theoretical inroads into the subject, using game theory to analyze different matching methods in the 1950s and 1960s. Together with US economist David Gale, he developed a mathematical formula for how 10 men and 10 women could be coupled in a way so that no one would benefit from trading partners. While that may have had little impact on marriages and divorces, the algorithm they developed has been used to better understand many different markets.
Chicago-based rival AT Kearney is also preparing for a change at the top, with a vote to replace Johan Aurik, who has already served the maximum two terms as managing partner, due to take place in the first quarter of 2018. His replacement will be expected to focus on how to pull AT Kearney out of the ranks of mid-sized players.
The booming Internet economy now is playing an increasingly important role in supporting wealth growth in China's IT industry.

农业原材料,特别是所谓的软性大宗商品,例如糖、咖啡和棉花,今年的表现在最佳之列。
经济运行缓中趋稳、稳中向好;
质量强国、制造强国
3. Enlisted military personnel
深受大众喜爱的电视连续剧《仙剑奇侠传》的电影版本于今日在浙江正式开拍。
From 'heelgate' to the Palm Dog to the 'Dad bod' – it's been a dizzying 12 days. Here are nine lessons from the film festival as it draws to a close.

户外空间:这栋房屋占地面积五分之一英亩(约809平方米)由纽约公司Landgarden负责景观设计。房屋前面的这座日式花园中采用了当地的植物。这栋房屋后面还有一处露台和院子,那里还有一座日式花园。
The Journey of Flower
3.The End of the One-Child Policy

vt. 以匙舀起
flight
夏奇拉
Most observers would think the single-aisle Comac C919’s first flight last May (pictured) is illustrative of this, but while it is a key milestone, it does not represent the whole story about what is happening in the industry. Two other events are much more telling.
这晚,霉霉并没有参加这次颁奖典礼,虽然她提名最多。19岁的歌手Shaw表选突出,风头胜过了霉霉,在这场颁奖典礼上横扫众多奖项。