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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

湖南省“十三五”新建建筑应用新型墙材比例达90%

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 新政下成交利好 家居市场将迎来新契机 the quarantine period, and its counterpart organizations do so abroad, all in concert with the World Health Organization.

我经常心情不好
Granted, it is easier to remake something than to make something new. Anyone who has faced a blank page knows that. But if fashion’s ubiquitous default to the 1960s over the last seven years has exposed anything, it is its own lack of imagination, not only about clothes and consumers, but about the relationship of culture and dress.

添加方式1.扫描上方可可官方微信二维码。

大小:3073平方英尺(约286平方米)
雷文斯克罗夫特最终不再从事教学工作,他创办了Enabling Enterprise,这是一家寻求减轻学校和企业脱节现象的机构,它让学生走出教室,从事实践项目并实地探访包括瑞银(UBS)和富而德律所(Freshfields)在内的企业。
5月7日-11日
单词population 联想记忆:
At least 10 students lost their chance to attend Harvard College after posting "obscene memes" to a private Facebook chat, the main Harvard student newspaper reported.
但国家统计局认为,CPI上涨的主要原因是去年同期对比基数相对偏低。
Investors have noticed Honda’s troubles. The automaker was one of the very few worldwide to avoid deep losses during the global financial crisis. Still, its common shares are down 17.2% over the past year, while the Nikkei 225 Index is up 7.4% and Toyota Motor shares are up 19.5%.
As of mid-July, there were about 50,000 stores running on Bigcommerce, which have collectively sold close to $4 billon using the platform. The developer has typically added new customers one-by-one. However, a deal it struck in early July with eBay positions its service as the preferred migration path for two Magento products that will be discontinued in February 2015, Go and ProStores. Bigcommerce previously migrated more than 5,000 merchants off ProStores, and the deal could potentially bring up to 10,000 more.

"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

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Lady Gaga凭她的非营利性的天生如此的慈善基金会名列第四名。

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豆瓣网友“Banchengyansha”称:“电视剧版的场景很精致,也很贴合原著。”
巴黎是前十名中唯一的欧元区国家,而且下降了3个名次,报告指出这可能是由于对欧元的信心下降。
After decades of promise, new gene therapies are starting to deliver real results. Like all new therapies, communicating accurately how and where it works will prove as challenging as the treatment itself.

"Now more attention is being paid to the second generation of stars and rich people, but in fact the second generation of migrant workers needs more attention."
另一位对时尚颇有野心的人就是温妮·哈洛,她在这场举世闻名的节庆活动的第一天即崭露头角。这位患有白斑病的加拿大模特几乎抢了艾米莉的风头,她用自己优雅的舞会礼服吸引了众人的关注。
7. Corrections officer
At tech start-up conferences, such as Slush in Helsinki in December, everyone was talking about experiences. The coming year is likely to see a wider adoption of virtual reality, which places the user in a digitally enhanced environment, and augmented reality, which overlays digital information on to the real world, creating new digital businesses.
珍妮弗 洛佩兹

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

……又唱又跳,希望能得到工作。
A happy New Year to you.

CDC

大师级别的老式、线性的动作电影拍摄,充满污秽、朋克、反乌托邦的澳大利亚式幽默。也是最近除玛格丽特·阿斯特伍德(Margaret Atwood)的小说之外,最好的生态-女权-社会主义作品。
显然相信“更长时间保持较低位”如今意味着“永远保持较低位”的投资者,最近几周已经涌向新兴市场资产。

Jobs for workers with branding skills were also on the rise during the third quarter of 2016, most likely thanks to “small businesses’ need to create cohesive and consistent strategies for their companies online,” according to the report.
At Japan Expo, we are very honored to interview Gen Urobuchi and also begraced with the presence of Nitro+ president Takaki Kosaka.Let's begin.Translated by Emmanuel Bochew.
威尼斯位于意大利东北部,约建成于公元5世纪,由118个小岛组成,凭借其迷人的水上景观、多样的建筑风格和琳琅满目的艺术品而闻名于世。
The understandings are that winners never take all.

多达10000份影片(一个虚构CIA刺杀北韩领袖金正恩的喜剧片)和500000份宣传单将会在3月26号左右通过气球投放。
伦敦商学院的学员品质优秀,这让该商学院尤其具有价值。一位2011届的MBA学员表示:“跻身于如此人才济济的学习环境让我坚信,我可以独立做成某些事情。”
Zhaopin.com received 93,420 effective samples for the survey, which covered new grads completing higher vocational, undergraduate, master's or doctoral programs.
adj. 令人厌烦的

The film screens in China reached 41,179 as of the end of 2016 with another 1,612 cinemas and 9,552 film screens built during the year, according to a report by People's Daily.
许多人和伙伴一起学习效果会更好。如果你也是这样的话,可以在班上组建一个学习小组,或者加入一个已有的小组。
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。
10. A bad marriage can lead to an early death
瑞士

Jules Pieri
我们希望看到的亚太地区是一个稳定、有秩序的地区,是一个可以协商一致、达成原则的地区,是一个有能力管控分歧的地区,也是一个有智慧解决争端的地区。
With most of our favorite shows on or approaching the dreaded holiday hiatus, it's time to reflect on the women that made the fall 2011 TV season so great.
Additional reporting by Ma Nan
China has become the country with the most film screens in the world.

adj. 商业的
And among the GII 2016 leaders, four economies — Japan, the US, the UK, and Germany— stand out in innovation quality.
大小:5003平方英尺(约465平方米)
继续实施积极的财政政策和稳健的货币政策。

“微博等新媒体让每个人都拥有了发言平台,如果你不能直面批评,与百姓合作,是不能做好工作的。”
报告同时也显示,双十一已经成为由淘宝,天猫,京东领衔的电商的最大购物活动。
在Teach First当老师能够不受此类条件束缚,体现了该项目的优势——该机构不仅是英国私营部门招聘企业的竞争对手,也成了它们的一所精修学校。
Will Zimbabwe’s new leader hold — and win — fair elections
Will the Saudi Aramco public offering debut on an international market
morality

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.
BuzzFeed News将“假新闻”定义为已经被验证“100%是假的”,并且列出了96家喜欢传播这些虚假信息的网站。
警方在屋内查出一柄40口径的Smith & Wesson半自动手枪,目前正在进行弹道测试,检查器是否牵涉其他犯罪活动。

10. 《结果》(Results),导演:安德鲁·布西内斯克(Andrew Bujalski)。
4.你的同事会泄密。
But he sees his time in the classroom as invaluable, crediting it with having given him a resilience that he now draws on in the latest phase of his career.
Everything is coming up roses for Tesla . The electric car company is enjoying an almost-unimaginable run of good fortune and is still being hotly pursued by investors.
To wish you joy at this holy season. Wishing every happiness will always be with you.