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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

新闻分析:下半年央企改革如何布局?

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 达芬奇家居创立者离职 能否摆脱绯闻缠身 the quarantine period, and its counterpart organizations do so abroad, all in concert with the World Health Organization.

孙俪在剧中扮演女主周莹。虽然孙俪是1982年生人,但在许多观众眼中,她仍然成功塑造了一个可爱天真的少女周莹。
With Capital Economics estimating that global economic growth will edge up to 2.8 per cent this year, from 2.5 per cent in 2016, “the exports of the emerging world’s net commodity exporters should rise by about 20 per cent year-on-year in dollar terms,” he argues.

2. 慢慢来。

vt. (烹饪时把鱼
即便亚洲国家推出了在其他国家推动ETF市场蓬勃发展的监管措施,也仍存在其他障碍。例如,蒙塔纳里表示,提供给亚洲投资者的产品大多与国内市场的股票挂钩,因此ETF没有被用来让投资者在国内投资于外国市场。
Obama's victory in the hotly contested swing state of Ohio - as projected by TV networks - put him over the top in the fight for the 270 electoral votes needed to clinch the White House and ended Romney's hopes of pulling off a string of swing-state upsets。
Exports declined 6.9 per cent in October from a year earlier, deteriorating from the 3.7 per cent fall the previous month as weak global demand and higher Chinese costs led to slumping shipments of the cheap Chinese goods that have flowed to the world in the last decade.
他说,本周早些时候他和美国国务卿克里的会谈显示,美国准备朝“解决只有通过共同努力方能解决的问题”的方向发展。
谷歌的品牌价值现在超过了1090亿美元,比苹果公司要高大约20亿美元,这使其成为了全世界最赚钱的公司。
Those trade flows, published by the General Administration of Customs, resulted in China’s trade surplus rising than $2bn to $40.2bn, surpassing October’s revised figure of $38.2bn and well ahead of September’s revised six-month low of $28.6b. November’s trade surplus was also ahead of the $35bn forecast by economists.
从eBay的Magento电子商务系统、IBM和NetSuite等知名企业到规模较小的Shopify和Volusion等,很多科技公司都希望从中分一杯羹。但相对冷门的Bigcommerce正在悄悄引发关注并窃取市场份额。它吸引了超过7,500万美元的风投资本,其中4,000万美元来自企业家史蒂夫o凯斯的Revolution Growth公司。

"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

《星球大战:侠盗一号》预计2016年12月16日上映。
1. China’s leadershipwill ignite the capital economy, funding an aggressive growth program withmajor infrastructure investments to support urban development, including hugeallotments for housing, schools, roads, and more.

而在科隆游戏展上正式宣布的特色作品中,《寂静岭》(Silent Hills)的最新续集赫然在列。这是科乐美(Konami)最为畅销的恐怖题材游戏(还据此改编成了两部电影)。世界级游戏和电影专家,《合金装备5:幻痛》(Metal Gear Solid V: The Phantom Pain)的制作者小岛秀夫,以及《环太平洋》(Pacific Rim)的导演吉尔莫o德尔o托罗在这部游戏中强强联手。曾出演美剧《行尸走肉》(The Walking Dead)的影星诺曼o瑞杜斯将在游戏中担纲主角。
20. 对电影爱好者的最佳建议。8月学者韦勒·温斯顿·迪克森(Wheeler Winston Dixon)发出了警告:“如果你上亚马逊,看到什么精彩的黑白电影卖三美元,或者其他什么外国电影和鲜为人知的电影,赶快买下来,因为它就要绝版了,他们不会再出版它们了。”成千上万这种VHS格式的电影不会被做成DVD格式或蓝光格式,迪克森警告说。而下载的美丽新世界(又名电子销售)明年将是好年头。
“像这样的问题是极为紧要的,尽管不一定通过言语表达了出来。”
['autreid?]

Facebook首席执行官马克扎克伯格
With the majority of professional advisors (myself included) preaching the benefits of global diversification to their clients, 2014 looks more like a draw than an outright victory in the harsh light of December’s low winter sun. Consider the fact that, through last week, the MSCI World Index gained just 2% on the year, with nearly 5% drops for both the MSCI Emerging Markets index and the EAFE index of developed markets outside of the United States. Ironically, the single best-performing foreign market in the world, the Shanghai Composite of mainland Chinese equities (up 45%) is the only one that U.S. investors could not actually put their money into.
Its GDP increased 7.5 percent compared to last year, according to a report by 21st Century Business Herald.
7. 阿里尔·福克斯曼《型时代》
Kim, it's so simple and entry-level Finishing School stuff: keep knees and ankles together and swivel.

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

8. Julia Roberts - $12 million
Take the intriguing reintroduction of “unfeigned regards” — last big in the 18th century and now found on emails from Indian help centres. But the winning sign-off, at the bottom of a message sent one Friday, was: “weekend well”. I nearly awarded it second prize for the best noun pretending to be a verb, though at the last minute this award was snatched by a consultant overheard saying: “Can we cold towel that?”

CDC

7The United States
Besides, Japan and the United States are still innovation hot spots and chemical, semiconductor and electronic components and autos are the top innovative industries, according to the report.

1.和平年代
4.Autonomous Cars
中国投资10亿美金用以将进一步打造C9大学(中国最好的9所大学)。 经费将会主要用来吸引顶级的教职人员,建造世界一流的教学设施,和招募一流的声源。中国将会国际智力、教育和技能的人才大战中逐鹿。
时间:2011-03-08 编辑:beck

要让Airbnb退市,可能没那么容易。最近,昆尼皮亚克大学(Quinnipiac)开展的一项民意调查表明,56%的受访者认为,应该允许纽约人将房间租给陌生人。“我们不想把房子变成旅馆,但是与此同时,人们有时会想把自己的公寓租出去。”霍尔斯特德管理公司(Halstead Management Company)的总裁保罗·R·戈特塞根(Paul R. Gottsegen)说。该公司打理着纽约市250处住宅物业。
11) I often feel unhappy 0 1 2 3 4
Belgium, for example, has less than a tenth of the population of Russia, its rival in the group stage, but is regarded as a far greater threat. And then there is Uruguay, which despite fewer than 4 million citizens -- barely a sixth of the population of greater S?o Paulo -- is one of the teams Brazil would least like to meet on its way to the final. How is this so?
【中文译文】

6. "How I Met Your Mother" (3.0 million)
“It’s na瘀攀 not to recognize we’re at a pretty serious moment,” said Anthony Crichton-Stuart, director of the London dealer Agnew’s. “There has been a massive taste shift. But when a good old master does come up at auction and it is priced correctly, you do get some excitement.”
Remedy: When we make a major decision such as accepting (or turning down) a job offer, we tend to exercise confirmation bias. If we think we made a good choice, we prioritize information that supports this view and if we fear we’ve made a mistake, we zero in on intel or impressions that reinforce this gut feeling. If you habitually doubt your competence when it comes to making career decisions, the issue is less about the subjective quality of your past choices and more about building confidence in your ability to guide your career in a satisfying direction and exert some degree of control over the outcomes of your choices. Addressing this could involve recalling the circumstances under which you made a particular choice and the priorities you held at the time and noting how they differ from the circumstances and priorities under which you’re evaluating those decisions. It could also involve working with a career coach to identify patterns in your decision-making and to help you bolster areas in which you’d like to increase your confidence – risk taking or negotiation, for example.
May everything beautiful and best be condensed into this card. I sincerely wish you happiness, cheerfulness and success.
President Donald Trump is the nation's first billionaire president -- but he's not as rich as he used to be, according to the Forbes 2017 Billionaires List published last Monday.

The civil service exam consists of writing tests and interviews. The interviews are expected to be held in February or March, after the writing test results come out in January.
支出提升三成是由更专业的创新药品,更多患者支付得起药品以及放宽专利期限这些因素驱动的。
在全球最具价值品牌百强榜上,有15个中国品牌上榜,比去年多一个,较10年前大有增加,当时中国移动(China Mobile)是唯一上榜的中国品牌。
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).
Back in the movie wasteland of last January, no one could have guessed what a bounty of good films the year would bring. Not just good films, but several that measure up to our idealized notions of what the medium once was. Two candidates for the top of the heap pretty much chose themselves. For sheer entertainment, the clear call is 'American Hustle,' David O. Russell's joyous celebration of 1970s-era con artists and their intricate cons. For innovation-a new theatrical experience born of new technology-'Gravity' whirls in its own orbit. With the understanding that there's nothing to be said against 'American Hustle,' and everything to recommend this screwball comedy for the ages, I think 'Gravity' is the best movie of the year.

Two Chinese universities have been placed in the top 20 of this year's Times Higher Education World Reputation Rankings, according to data released last Thursday.
That calm can sometimes be taken for a lack of the urgency that is vital in the fast-moving tech industry. Many were disappointed that Apple Watch was not made available to buy this year. But analysts say Apple’s approach of waiting until it has perfected a product usually leads to stronger long-term performance. Samsung, whose smartphone sales have suffered this year, is on its sixth-generation smartwatch, but has still not found a real hit.
6) I find it hard to start a conversation 0 1 2 3 4
He then proceeded to ram the violin through the canvas.

联合国下属的国际农业发展基金会(IFAD)上周三表示,2016年,约有2亿名打工人员--其中一半是女性--向他们在亚洲、拉美和非洲的家人汇款4450亿美元。
The National Basketball Association (NBA) Global Games is to feature two pre-season games in China between the Golden State Warriors and the Minnesota Timberwolves, the NBA announced.
When many millennials struggle to find jobs or make do in low-skilled positions, these masters programmes achieve strong employment rates thanks to their links with corporate partners and alumni networks.
游戏平台:Xbox One、Xbox 360、PS4、PS3 、PC
近年来,大多数发达国家的排放量一直在逐步下降,这部分是因为不景气的经济形势,同时也是因为日益加强的气候政策。2013年,由28个国家组成的欧洲联盟(European Union)的排放量下降了1.8%,虽然德国和波兰等几个国家的耗煤量出现增加。英国、意大利和西班牙的排放量显著下降。
达洛伊西奥解释道,自然语言处理有统计学和语义学两种方法,语义学系统试图解析文章的真实含义并对其进行简洁的译介。而统计学系统──设计Summly所采用的方法──无需这一过程;该系统保留词汇和句子的完整性,并通过运算从全文挑选出最具概括力的内容。它将每个句子或词汇进行分类、排序,以便挑出编入摘要的内容。这一过程极依赖数学计算,考量的是频率和分布,而非词语的含义。

骑行背带是专为小宝宝设计的,以减轻家长的负担。
So ladies, we have been warned. What would your response be?
7. Dental hygienist

benefit
When reflecting on the year in film, moviegoers often remember strong performances, or they might consider how a movie worked as a narrative, the emotions it evoked, what chances it took.
清华大学(Tsinghua)与欧洲工商管理学院(Insead University)合办的Tiemba项目排名上升两位,在2015年全球EMBA排行榜中摘得桂冠,而Trium项目的排名回落至第三,仅在头名位置维持一年时间。
“这部电影讲述的是在荒野中求生存、适应自然以及人文精神的胜利,更重要的主题是信任。”
[.reidi'ein]