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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

家具建材涨声一片 “跨年保价”已成卖点

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 国内多地放开海岛使用权出让 当“岛主”代价有多高? the quarantine period, and its counterpart organizations do so abroad, all in concert with the World Health Organization.

在咨询公司Brand Finance的《2017年全球500强》报告中,搜索巨头谷歌超过了iPhone的制造商苹果公司,成为了全世界市值最高的公司。
‘Can’t fault, I was thinking “go on boys”,’ Alesha smiled.

《欢迎来到我的世界》(Welcome to Me),导演:舍拉·皮文(Shira Piven)。

它基于针对各商学院及其2013年毕业的学员的调查。
High and rising US rates may quickly become drivers of EM crises: such conditions may lead to higher borrowing costs in EMs, along with capital outflows and an unwillingness by the financial sector to take risks.
所有外出务工人员的年收入据估计达到了3万亿美元,然而大约有85%仍留在雇主国,他们汇款回家的钱,平均不到雇主国GDP的百分之一。
The Man Who Knew, by Sebastian Mallaby, is the 12th winner of the £30,000 award, which goes to the “most compelling and enjoyable” title of the year.
前国务卿希拉里回答道:"我将组建一个能够反映美国现状的内阁。而有半数美国人是女性。"
['s?ul]
We will work proactively to expand effective investment.
7. Am I working too hard? Taking time to re-charge and spend time on activities that make you happy is so important. Honor your desire to pull back from work or school pressure when needed and give yourself time to breathe, even if it’s only for a few minutes at a time.

"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

debut
Other top ten foreign pictures were Transformers: The Last Knight, Dangal, Pirates of the Caribbean: Dead Men Tell No Tales, and Kong: Skull Island.

4. 学会自我推销。
查斯特·班宁顿
The Man Who Knew, by Sebastian Mallaby, is the 12th winner of the £30,000 award, which goes to the “most compelling and enjoyable” title of the year.
“还有人在视频会议上宣布辞职。”

Thus assuming that type D personalities lack social interest is not correct but the right thing is that they might be interested in people but afraid to approach them because they fear rejection.
对于英国广播公司文化部门来说,戛纳期间堆满了工作,而派对是少之又少。但是,影展之外的电影节给小镇描上了醉人的红色。在2013年,我们试图联系白雪香槟酒庄(Piper Heidsieck)计算电影节期间香槟的消费数量,但作为提供“官方饮品”的白雪香槟酒庄拒绝回应。不过看看克鲁瓦塞特(Croisette)大道上那些微醺的脸庞以及踉跄的步态,我们可以合理的推测香槟的消费数量十分庞大。电影节的第一周,在为马提欧?加洛尼影片《故事的故事》(Tale of Tales)举办的派对上香槟成河,狂欢者嗨至凌晨。次日早晨,英国广播公司的瑞贝卡?劳伦斯与某位明星进行访谈,询问其在采访前休息了多久。这位明星只是眯起了惺忪的眼睛,抬起了2根手指。
在即将卸任的中国领导层不愿做出任何有远见的决定时,中国必须沿着一条狭窄的道路审慎推进。
authorization
8月份,Facebook首席执行官马克扎克伯格说:“我们认为这对我们国家的未来真的很重要。”

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

Verification and evaluation should be enhanced before publication, Wang said.
The fastest growing start-ups tend to be global in their outlook. The immigration restrictions already imposed by President Trump in the US and those under consideration as part of the UK’s separation from the EU are likely to be a hindrance in the coming year for hiring.

CDC

还有些电视剧不如人们最初预料的好,不过仍有吸引力,最显眼的是映时频道的《婚外恋》,它一开始看起来像汉普顿斯式黑色电影,后来变成了法国艺术电影。剧中的罪行与过于缓慢的节奏以及《罗生门》(Rashomon)式的讲述方式不太相称,不过该剧在最后几集势头大涨,悬念丛生。
That was in line with last month’s manufacturing PMIs, which showed an uptick in sector activity,

《中国日报》(China Daily)援引中国旅游研究院(China Tourism Academy)和北京市旅游发展委员会(Beijing Commission of Tourism Development)的一篇报告称,污染状况加剧以及人民币升值,使得北京去年1月至11月间的外国游客数量从2012年同期的501万人下降至420万人。此前一份基于对国内旅行社的调查的报告显示,去年前三个季度赴北京旅游的游客数量较上年同期下降约50%。
豆瓣网友“Amy”称:“他们是神仙。除了谈情说爱,就不能干点别的吗?”
As the socialite arrived at Kylie Jenner's 19th birthday party in August she alighted her sports car in such a cack-handed (cack-legged, I suppose) way that meant that more was glimpsed than intended.
就业市场面临着挑战。约有500万美国人失业已有六个月之久,技能退化令他们未来更难找到工作的风险也加大。此外,收入增长放缓引发的担忧可能会限制企业招聘。据咨询公司CEB今年10月进行的一项调查显示,约有36%的美国高管预计其公司的职员人数会减少;相比之下,今年夏天这一比例为29%。[qh]

Yes. Mr Modi’s overnight ban on using high-value bank notes was a big shock, and seriously disrupted the economy. But it delivered rich political rewards, bolstering the premier’s image as a decisive leader willing to take tough action against corruption. With the next general elections due in 2019, Mr Modi will be tempted to deliver one more big bang to dazzle voters. Watch out for dramatic action against wealthy individuals holding properties in others’ names to hide their ownership.
One explanation could be that significantly more men than women work in the industry’s best-paying fields. A third of men work in private equity orventure capital, investment banking or mergers and acquisitions, andhedge funds compared with only 19 per cent of women.
Opinion: China’s Commercial Aerospace Dream Edges Closer To Reality
n. 商标

['kɑ:sl]
Sorry, folks, but if you're an investor hoping America's political internecine wars will improve in the near future, just don't invest. The war between Congress with it's abysmal 10% approval rating and the president, the war between the Dems, GOP and the tea party, is going to get even worse, upsetting markets and the economy even more.
Prior to the slowdown that began in 2014 employers in China had been less stingy with cash bonuses, which can total well over a full month’s salary and send employees back home for the holiday with plenty of cash for gifts to elders and other family members (or to squirrel away as savings).
These larger screen sizes will put additional strain on iOS 7 and developers who will need to figure out how to adapt their apps to even more configurations. These additional formats will provide some exciting opportunities for applications as well, and we can anticipate that iOS 8 will contain many features designed to accommodate multi-screen design.
单词criminal 联想记忆:

普京对俄罗斯经济做出积极评价。他说,经济已渡过危机,至少渡过了危机的高峰。
在主要的美国航空公司中,全美航空公司拥有最高的假日航班准点率,在榜单上排名第五,去年感恩节和圣诞节期间的航班延误率为15.57%。与此同时,计划和全美航空公司合并的美国航空公司(American Airlines)排名倒数第四,FlightAware网站的数据显示,该公司航班延误率达到19.7%。
犹如船长要驾驶一艘船。如果领导曾不知这个工程或公司如何牵头,公司又怎样知道呢?这不仅仅是关于接下来的步骤或者交付的内容这两点,而更是对部门或公司的未来有一个清楚的认识,他/她能够同公司员工一起交流的内容。
7.Morocco
Overall, starting a company ranked lowest among reasons cited for undertaking an EMBA (rated 5.5 out 10). Students’ main motivations were learning about management (9.1), networking (8.3) and increasing earnings (8.1).

In the United States, emissions rose 2.9 percent, after declining in recent years.
China's producer price index deflated by 3.3 per cent in annual terms last month, the most since September 2009. Prices in the mining sector were down 13.2 per cent, while raw materials prices fell 6.4 per cent.
在纽约市许多公寓楼的大门背后,充斥着居民们不协调的抱怨声。从我的“房地产答疑”(Ask Real Estate)专栏所收到的抱怨信中,我们可以一窥居民们是如何应对生活在拥挤、昂贵的住房中的种种不顺心的。比方说,有个合作公寓的股东被邻居家的老鼠窝吓坏了;有一对父母被禁止将婴儿车推进楼内的电梯;有个租户厨房里的橱柜从墙壁上掉了下来。
Most technology developers are seeing app use grow and web use decline. That means companies have to have strong, fast, meaningful mobile platforms and those that don't lose customers.

No details have been given about the content of the leaflets, though propaganda sent in the past has denounced North Korea's ruling family.
In comparison, second-tier cities reported worsening congestion, an increase of 3.7% on average, with Chongqing, Changchun, Jiaxing and Shenyang leading the rate of growth at over 7%.
她和妹妹都是通过家庭辅导接受教育的。她的妹妹也出演了《Dance Moms》。去年,以两姐妹的名字创建的时尚品牌The Maddie & Mackenzie Collection问世。
4) I’m On It: You’re giving your full attention. You’re saying, “Relax. Don’t worry about a thing. I’ll see to it personally.” That response can disarm just about anyone. To express a deeper commitment, use “You have my word.” This makes you more accountable to someone, conveying that you’re on board and will make it happen…whatever it takes.
这块白板经常被写满公式。但你是否曾好奇过这些公式都有什么含义?我们也许没有机会知道它们代表什么,但它们的确都是真实准确的公式。这一点相当给力。
protection

每平方英尺单价:395美元(每平方米约合人民币2.7万元)
GDP growth of around 6.5 percent, or higher if possible in practice.
crew

'东方之星'船体完全扶正
vt. 创立,开始,制
Chinese cellphone maker giant Huawei expects its smartphone shipments to grow 29 percent year-on-year to reach 139 million in 2016, compared with an estimated global average shipment growth of 0.6 percent.
但是在名人搜索榜上,休斯顿和凯特王妃排在最前,紧随其后的是真人秀节目《X Factor》的评委盖瑞?巴洛和杜莉莎。
SplashData的首席执行官摩根·斯兰说:“当你看到‘最差劲密码’榜单上出现‘adobe123’或者‘photoshop’,你就该意识到,在你正在使用的网站或应用上,不该用它本身的名字作为密码。”