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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

一系列减税降费政策出台 劳动者得到实惠

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 2015家具行业面临洗牌背后面临的问题和遭遇的困境 the quarantine period, and its counterpart organizations do so abroad, all in concert with the World Health Organization.

考虑到波士顿咨询集团(Boston Consulting Group)管理合伙人理查德莱塞(Richard Lesser)的第二任期将于10月结束,该公司可能也将引来变化。然而,由于该公司拒绝就其选举流程及领导人最多可以有几个任期置评,莱塞的未来尚不明确。
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Sohmers表示:“我曾经先后三次申请加入麻省理工学院研究室。我第一次申请的时候是14岁,那时我的父母并不太支持我。但是后来他们发现我在高中里学习并不快乐。于是他们开始慢慢理解了我的想法。现在他们对我的工作非常支持。”在加入麻省理工学院研究室之后,Sohmers终于找到了属于自己的天地。如今已经17岁的Sohmers表示,自己并不后悔放弃学业,进行创业。他表示:“即使我无法改变世界,也会收获一些其他的东西。人们在讨论上学和创业的时候,总是顾虑太多。但是企业是在研究者眼中,你的学历高低并不重要,重要的是你的能力。”
你感到抓狂是对的。公司无时无刻不在监视着你。无论你做什么都有记录:你打的每个电话,发的每条短信,每条在推特上发的帖子和讯息。在大部分公司,这些记录可永远不会删除(这吓人的吧,真可怕~)
但是我们波士士顿波士顿咨询集团不认为中国本次改革会导致中国经济不稳定。我们相信中国经济在习主席的领导下会持续高速增长。我们相信上个星期的改革(三中全会)会确保中国经济从现在一直增长到(至少)2020年。根据我们已掌握的资料,我们预测中国经济在未来10年会增加4万亿美金(而书中说是6.4万亿。2012中国GDP为8.3万亿美金)。如果加上印度,亚洲两大国未来的增长总量会达到10万亿美金。在此期间,中产阶级会迅速膨胀,进而增强对经济增长的乐观态度。当然,没有人能完美地预测未来,在我们的近期的一本关于中国和印度经济发展的书中(《Trillion Prize:Captivating the Newly Affluent in China and India》),我们也描述了一些经济增长缓慢的例子。不过总体上我们还是对中国的未来保持乐观态度。
Until now, the appeal of Bigcommerce’s eponymous technology has been simplicity and its ability to scale along with merchants as they grow. “To some, this will mean the difference between success and failure,” said Steve Case, who as a board member advises Bigcommerce on U.S. entrepreneurial trends. “Even just five years ago, if you wanted to create a compelling offering, it could cost hundreds of thousands of dollars. Now, you can get up and running in hours for less than $100 per month.”
‘Our hope is that the Worst Passwords of the Year list will cause people to take steps to protect themselves online.’
“十二五”期间,中国货物出口年均增长6.5%,占全球的份额从2010年的10.4%提升到2015年的13.2%,速度明显快于全球其他主要经济体。而服务贸易年均增长超过13.6%,位居世界第二。
But at the end of a madcap Golden Globes (Ms. Fey toasted it as 'the beautiful mess we hoped it would be'), the major honors soberly ended up with the favorites. David O. Russell's con-artist caper 'American Hustle' led with three awards, including best film comedy. And despite missing out in the other six categories it was nominated in, the unflinching historical drama '12 Years a Slave' concluded the night as best film drama.

"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

Age: 46
They expect the heat to get much worse over coming decades, but already it is killing forests around the world, driving plants and animals to extinction, melting land ice and causing the seas to rise at an accelerating pace.

However, in season two Friends took a big leap toward equality by featuring a gay wedding when Carol married her girlfriend Susan. Behind the scenes, executive producer Marta Kauffman said, "NBC expected thousands and thousands of phone calls and hate mail." However, after the episode aired, they received only four antagonistic letters. As it turns out, people just didn't care that much.
China's tourism officials are looking to reverse the trend of declining inbound visitors in 2014--possible, experts say, if it revamps its outdated tour packages and lowers ticket prices.
7. "Suits" (2.6 million)
根据上海市统计局发布的数据显示,截止2015年年底,上海市外来常住人口数量减少至980万人,占该市大约2400万常住人口总量的40.6%。

iPhone推出一款更大屏幕iPhone手机的迫切性部分来自于亚洲市场——三星平板手机声势浩大地占领了这个市场。假设苹果和中国移动签订的协议包括上述即将推出的新品,那么新款iPhone推出时通常会出现的价格调整将使iPhone 5C对中国市场而言更为便宜且更具吸引力。而这对5C来说也是正确的方向——目前为止,苹果公司对该款产品的销售额颇为失望。或许关于5C重要的一点是,它不是5S,所以将来它可以在不对苹果旗舰产品价格造成压力的情况下进行打折。
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The list has four British universities, which are Cambridge, Oxford and London's University College and Imperial College. The University of Tokyo is also included in top 20.
STEP 2: STIM
“欧洲工商管理学院极大地充实了我们的跨文化体验,”一位来自瑞士的校友在接受调查时表示,“在这里学习全球文化好于其他任何地方。”

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

The pipelines were building in spite of poor performance for this year’s high-profile deal from Snap, the owner of Snapchat, in the US and investor concerns that a strengthening euro may curtail the earnings recovery in Europe.
1.保险精算师

CDC

6. You don’t just pass in front of the TV if i’m watching football, you better crawl on the floor.
We will improve planning for regional development.

n. 鼓励
France, along with Belgium, has seen the largest numbers of volunteers leaving to join the Islamic State jihadist group, which has seized large parts of Syriaand Iraq.
An investigation is continuing into how La La Land was wrongly named Best Picture rather than the triumphant Moonlight.
Overall, live and recorded content achieved equal scores overall of 8.8 out of 10, while online interaction and team-work were rated marginally lower.

The report didn't comment on potential factors influencing the numbers, but many – including members of the opposing political party – are laying the blame squarely at the feet of government cost-cutting.
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。
Arriving at the stage, he said: "What an incredible honour, that meant a lot. Two years ago we found ourselves submerged deep in nature with all its complications and all the beauty that it gave us cinematically.
单词hospitality 联想记忆:

当大脑没有得到充分休眠时,它确实就开始自噬了。在我们睡觉的时候,“清除”程序通常就会启动,但长期缺乏睡眠会使该程序处于高速运转状态,促使大脑清除大量神经元连接和突触连接。
China's National Bureau of Statistics said its property prices index for November showed that new home prices fell 3.7 per cent from a year ago, the third straight annual decline following readings of -2.6 per cent in October and -1.3 per cent in September.
The last leg of the year is set to be a busy one for initial public offerings on both sides of the Atlantic, with companies including Italy’s Pirelli, Alibaba-backed Best Logistics and video streaming platform Roku lining up to list.
China’s reserves have fallen for nine of 11 months this year and stand at $3.43tn, as investors sell renminbi assets to protect themselves against depreciation and the central bank sells dollars from its reserves to curb renminbi weakness. Falling interest rates in China and expectations of an imminent rate rise by the US Federal Reserve have also fuelled outflows. Reserves rebounded mildly in October, suggesting outflows had diminished.
core

7. Cannes' 'year of women' didn't go so well
vi
工业生产者出厂价格指数(PPI)通常被认为是中期通胀的代表,该指数仍留在负值区间,但下降速度有所放慢。
如果你在寻找一个免费的客户关系管理系统,Zoho或许正适合你。为什么呢?因为它提供了集成的可能性。比如只需添加你的API密钥,就可以轻松与JotForm和Unbounce集成。这意味着只需要几秒钟的时间,销售线索就可以自动发送到你的CRM系统。对于一款免费软件来说,这已经非常强大了。
西藏自治区计划到2017年帮助至少13万农村人口脱贫,重新安置16.3万人。

She made several points in a note to clients Tuesday that struck me as new:
The Queen would have been down the stairs like a shot as soon as the aircraft came to a final halt.
['p?:ts]
Similar trends have been seen at other Cup matches, though no polls were carried out previously.

年龄:50岁
这封情书是寄给一个叫做Clark C Moore,但是现在已经改名为Muhammad Siddeeq先生的,由于这次改名,让这封信找到真正的收件人变得尤为困难。
大多数企业家(78%)利用储蓄或依赖朋友和家人来筹集全部或部分启动资金。四分之三的企业家也使用天使融资来作为资金来源。
Only two people know the Oscars winners list and supervise the counting procedures - PwC tax adviser Martha Ruiz and Brian Cullinan an accountant.
6. Now, like an addict who can't stop, Gross writes in his Tipping Point blog that QE will run to 2015. Earlier it seemed like the Bubble With No Name Yet should be renamed the Bernanke Bubble. But now, with Gross and Pimco's $2 trillion at stake here, maybe we should call it The Gross Bubble.
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After enjoying a weekend of football in Manchester, David Beckham quickly jetted across the Pond to New York last night to spend Valentine’s Day with his p
国家统计局日前在其网站发布了上述数据,称这是科技研发经费增速连续4年下滑后的首次回升。
她还表示,从较长期来看,另一个让她担心的“R”是“重置”(reset),她解释称,全球各地的货币和财政政策在回归正常之前还有很长的路要走。她补充称:“最终的重置是那些在全球各地都有必要实施的结构性改革。”

1. Buy expensive tailored clothing that only sort of fits so that most of the time your buttons appear to be just seconds from bursting.
The 30 percent increase is to be driven bymore specialty drug innovation, greater patient access to medicines and reducedimpact from patent expiry dates.
Temperatures in 2015 also shattered the previous record set in 2014 by 0.13C, according to Nasa.
This habit can seriously hurt you in a work setting. If you’re one of those folks who believes that you do your best work at the last minute and put off projects or assignments until the day (or hour) before they’re due, you may not be aware of the impact your habit is having on your co-workers.If your last-minute rush requires others to work quickly, you will likely anger them, and you’ll be the first one blamed when a project fails or isn’t completed on time.
Learn to tweet. Your boss expects it