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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

江门市高新区13家LED企业获发展资金扶持

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 未来一年中国哪里楼市潜力最大,你知道吗? the quarantine period, and its counterpart organizations do so abroad, all in concert with the World Health Organization.

'It's been low for a while, says Lee (last year it was ranked 196 out of 200). 'What probably pushed it to the bottom is that several things got worse job prospects decreased, the average salary continued to fall, and work hours continued to rise. Those factors also make the job more stressful.'
……睡着了。

据雅虎的统计,新闻取代了名人成为2010年的最热门搜索项,搜索量最大的两个新闻热点是英国石油公司的墨西哥湾漏油事件和南非世界杯足球赛。

葡萄牙诺瓦商业与经济学院(Nova School of Business and Economics)巩固了去年的强劲表现,排名进一步攀升14个位置,排在了第17位。
专业一点
6、所有扮演邦德的演员都是高个子,这不是巧合。身高1.6的男人每年要多赚175000英镑才能与身高1.8的男人媲美。很多人欣赏丹尼尔在《皇家赌场》的魁梧身材。科学研究证明,肌肉男有更多的一夜情,从一个男人的臂围可以看出他与多少女人风流过,魁梧身段就意味着他是个不错的情人。
在动画电影行业执迷于翻拍让观众有共鸣的老故事时,皮克斯却总能尝试新事物,把观众带到从未踏足的新领域。《寻梦环游记》由《玩具总动员3》导演李?昂克里奇执导,该片的视觉效果基于墨西哥的亡灵节。故事讲述了一个名叫米格尔的小男孩崇拜传奇吉他手欧内斯托?德?拉?克鲁兹,想学习如何能弹奏得和他一样好。于是他就像奥德赛一样踏上了改造性的自我发现之旅,进入死亡之地寻找那位已去世多年的偶像,还受到了一些关于创造力本质的教导。《寻梦环游记》是否能达到皮克斯2015年杰作《头脑特工队》的高度尚未可知,但这部电影绝对是一场视觉盛宴。该片将于11月15日在法国上映,11月22日在美国、克罗地亚和菲律宾上映,11月30日在以色列上映。(资料来源:迪士尼/皮克斯)
The three bubbles: The Asian Bubble in the early '90s, Dot-com Bubble of the late '90s and what Juckes calls the Great Big Credit Bubble that triggered the 2008 Wall Street meltdown.
One of the biggest trends I’m noticing in entrepreneurship right now focuses on access. Innovators are taking what was once costly, time-intensive, or otherwise beyond reach and efficiently offering it to consumers. Whether it’s learning new skills, inspiring a new interest, or tapping into formerly cost-prohibitive markets, entrepreneurs are finding new ways to bring the unique and specialized to a more mainstream market. We started to see this with collaborative consumption business models and I predict we’ll continue to see an influx of ‘access-based’ business models in the year ahead.
此次涵盖95个项目(去年为90个)的排行榜中,来自7个国家的9所院校为首次进入榜单。排名第41位的法兰克福金融管理学院(Frankfurt School of Finance & Management)是今年排名最高的新入榜者。这家德国学院拥有性别比例最平衡的项目之一,女性占学员总数的49%。
这就真相了,我同意。

"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

你的消费者信任你吗?他们知道你都拿他们的个人信息干嘛去了吗?你这么做他们高兴吗?这不仅仅是美国国家安全局、微软和谷歌的问题。谷歌眼镜也不会是唯一一个引发争论的产品。如果你和你的顾客之间有足够的信任,这会降低你做生意的成本;反之,那些不重视与合伙人、供应商和消费者建立信任关系的企业则会为之所累。
时间:2010-03-31 编辑:vicki

Mr D’Aloisio received acclaim from Apple after Summly’s launch, which featured as one of its best iPhone apps of 2012. It had been downloaded almost 1m times before it was pulled from the app store yesterday following the deal.
Perhaps the more interesting question is what drove Yahoo! to shell out that reported $30 million for a single app. To be sure, Summly's text-compression abilities dovetail nicely with Yahoo!'s new focus on mobile utilities. Along with Yahoo!'s $1.1 billion purchase of the blogging service Tumblr and the launch of an acclaimed new weather app, the Summly move marks a commitment to owning the tiny real estate of the smartphone screen-and serving advertising to the youthful eyeballs that tend to gravitate to mobile devices.
斯托特说,对于2015年破纪录的气温来说,当前的厄尔尼诺现象可能只负有10%的责任。厄尔尼诺现象令太平洋海水变暖,是自然界一种经常性现象。
榜单前十位富豪的净资产总额合计为5054亿美元。

《火星救援》获评喜剧/音乐类最佳影片。
"As a native of Shaanxi, I found Sun played the role well. She jumps and runs wildly, just like a typical young naughty Shaanxi girl," a netizen Xuelili said.
If successful, Hurun estimates that Mr Wang’s net worth could soar past $50bn, making him one of the world’s 10 richest men.
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。
Ten years ago, Steele was a successful investment advisor speaking at ITU World, a United Nations conference on technology for government. That same week, California experienced its first-ever gubernatorial election recall. Steele couldn't believe these kinds of hiccups were happening during such important races (the infamous Florida presidential election recall was only three years prior), so she decided to solve the problem herself. To date,169 countries, including Bosnia-Herzegovina, used Everyone Counts' electronic voting platform, as did the Academy Awards committee.

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

想要谋杀老板的念头并不稀奇,但是当大家所讨论的老板真的死于谋杀时,就不是那么回事了。当警察来询问的时候,他们才知道,克兰斯顿兄弟俩已经辞职并骑着他们的摩托车横跨整个国家。他们俩在被证明清白之前都是嫌疑人。
It was not an auspicious start to the new year for bitcoin investors.

CDC

Today, the Financial Times reveals the fake gross domestic product data routinely released from many northern Chinese regions. There, solid alternative evidence suggests the authorities have “smoothed” the economic growth figures. They artificially boosted growth figures between 2012 and 2016, masking a real downturn, and last year covered up a genuine recovery.
Miley Cyrus

Will a nation other than Brazil, Germany or Spain win the World Cup
在出售给Facebook前,WhatsApp一直特别反对植入广告。该公司首席执行官让o库姆在自己桌上一直贴着联合创始人布莱恩o阿克顿留下的一张便条,随时提醒自己牢记公司的核心价值观:“不要广告!不要游戏!不要宣传噱头!”这样一来,短信应用只好想出别的创意。比如Tango就在用户的短信“收件箱”里插入广告。中国互联网巨头腾讯公司旗下的短信应用——微信,则通过游戏、贴纸(类似于表情符号)和移动购物等方式谋取赚钱之道。Kik则提供一种被一些人称为“聊天广告”的功能,用户通过它能和幽默网站Funny or Die及电影信息网站Moviefone这类品牌运营的聊天程序进行交谈。
Yes. Mr Meade is the candidate of the ruling Institutional Revolutionary Party, or PRI. His main rival is the hard leftist Andrés Manuel López Obrador, a passionate orator who can work a crowd. Mr Meade has a lot to overcome: he will have to convince voters that they can trust him, after he put up petrol prices by 20 per cent overnight in January, triggering a surge in inflation. He will also have to reveal himself as his own man, not just a clone of an unpopular government that has failed spectacularly to rein in rampant corruption and crime. But backed by the formidable PRI get-out-the-vote machine, he could prove unstoppable. In Mexico’s one-round-only system, 30 per cent of the vote might be enough.
Robin Harding

People are still looking at old masters for pleasure, if not as lucrative investments. Sotheby’s said 6,000 people visited its Dec. 5 to 9 viewing, compared with the 6,400 who saw its Impressionist and contemporary sales in June. At the lower end of the price scale, many historic paintings do find a market — Christie’s and Sotheby’s day sales of old master paintings on Dec. 9 and 10 had solid-enough selling rates of 67 and 65 percent apiece.
他做出了不从事企业战略工作的战略性转变,尽管他自己的学校曾经建议他别从事教育方面的职业,虽然他担任过私人教师。
As for his own education: He's weighing whether to enroll in university in England or maybe the U.S. to be closer to Silicon Valley. Or perhaps he'll skip college entirely and just focus on his work. 'I absolutely want to start another company,' he says. 'Serial entrepreneurs get addicted to creation. I want to be passionate. I feel really bad when I'm not doing something new.'
A 9.1-percent drop in the annual average density of fine particulate matter (PM2.5) was seen in 74 major cities.

Employees of state-owned firms also expressed more satisfaction with their bonuses than those at private companies – and little wonder, as the average payout at the former was Rmb17,318, or about Rmb6,000 more than what their private-sector counterparts could expect.
The scientists’ analysis comes only a month after nearly 200 governments struck a new climate agreement in Paris that aims to stop global temperatures from rising more than 2C from pre-industrial levels, and ideally limit warming to 1.5C.
和你共事的多数同事你都不喜欢
不过,更大的尺寸将会对iOS 7和开发人员施加额外压力——后者必须找出方法,使自己的应用程序适用于更多配置规格。而另一方面,这些额外的规格也将为应用程序提供一些更为激动人心的机遇,我们应该能看到iOS 8将包含诸多可适应多屏幕规格的功能。
Take solid and effective steps to cut overcapacity

Switzerland, Sweden and the UK again occupied the top three slots in the ranking. Fifteen of the top 25 economies in the GII come from Europe.
The number of people living in poverty in rural areas was reduced by 12.4 million.
The North has already warned that Park will "pay for his crimes in blood" if copies of the film make it across the border.
Yet disparities were clear among sectors and companies.
单词episode 联想记忆:

由于预算充足,该公司的部门经理们可以用独一无二的个性化方式来奖励自己的下属。以下是两个曾给出的奖励:免费在马术训练场驰骋、附带套索和马术表演课程的烤肉野餐。
The cost of living the Australian dream has surged with Sydney and Melbourne among the five most expensive cities in the world, outstripping most European and US locations, according to an annual survey released on Monday.
“You can choose to spend the time however you like,” he wrote, suggesting people “go travelling, pursue a philanthropic project, spend quality time with family or simply take time out to recharge and refocus”.
节目18 杂技《冰与火》,赵丽 张权

We will make continued progress in building a Healthy China.
政治建军、改革强军、依法治军
Joss Whedon came up with the idea of Firefly while he was on a non-working vacation. He was reading a book called The Killer Angels which told the story of soldiers in the Battle of Gettysburg. Whedon was attracted to the idea of the difficulty of the soldiers' everyday lives. He liked that the author focused on the mundane details of how people survived when they didn't have all of their needs conveniently met by modern technology and commercialism.
Kobe Bryant
习及一些领导人员已经明确指出,中国将会进行可持续发展、内需为依托的经济转型,为此中国可以忍受稍微慢一些的增长速度。于是一些预言家马上就下出结论,认为中国经济会因而立即大幅减速。特别是中国曾经有过这样的先例。在1978到1993年中国领导人进行改革开放,然而在政策施行的最初阶段中国经济曾经遭遇不稳定。
对罗西(Pete Rossi)来说,这一年里有多少周工作超过50小时用一只手就能数得过来。而余下时间里,美国国防部精算师这个工作让他能以极小的压力过着高品质的生活。

本土冠军
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?
3.Artificial Pancreas

Murder on the Orient Express
While Jodie Foster used to opt for the bathroom – “they looked good with the faucets” – she has since moved the two she won for The Accused and Silence of the Lambs to a much more orthodox spot: a trophy case.
Brazilian soccer fan Joedir Sancho Belmonte missed the 1950 World Cup final to stay home with his sick mother. Sixty-four years later, Belmonte exchanged his original unused ticket for three new tickets to the 2014 final.
74个重点城市细颗粒物(PM2.5)年均浓度下降9.1%;
n. 反映,映像,折射,沉思,影响