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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

三雄极光董事离职 艾比森2亿增资子公司

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 环保部12督查组赴京津冀严查水泥等行业 the quarantine period, and its counterpart organizations do so abroad, all in concert with the World Health Organization.

n. 诱惑力,吸引力
她向BBC透露称:“他们看到了一些非常可怕的事情,但是他们将在很长一段时间内继续接触这类事情。”

n. 光泽,上光剂,优雅,精良

如果你热爱生存,那么脑死亡是一件不美好的事。而且,如果你想用空闲的大脑来替换,那你是绝对找不到的。当然,也许有一天,我们能将大脑放入头骨中,但是大脑跟别的器官不同。它装有你所有的思想和记忆。人们能在你头里放一个新的大脑,但是你还是不存在,所以人造大脑这种想法看起来很荒谬。
包括中国移动、阿里巴巴和腾讯的16家中国企业进入了该榜单的前100名。
据德国工商总会的数据显示,法国在2016年继续保持德国第二大贸易伙伴的地位。
当时,Spielman正在耶路撒冷Emek Tzurim国家公园橄榄山的斜坡上检查泥土。突然就注意到了这个小小的矩形物件。
在谷歌和苹果之后的品牌包括亚马逊以及微软公司等。
斯德哥尔摩经济学院(Stockholm School of Economics)是今年排行榜上的大赢家,该学校的排名攀升16个位次,排在第28位,不仅排名晋升速度为年度最快,而且扭转了去年排名下滑11位的局面。
Even if the tapering is smooth, the Fed could spend much of the year grappling with the prospect of raising its interest-rate target as early as 2015.
● “奥巴马总统证实,如果特朗普当选他将拒绝离开白宫”

"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

Over at Huffington Post Mark Gongloff warns: That 'dramatic downgrade of U.S. economic growth in the first quarter revealed the economy's lingering weakness, exposed the folly of Washington's austerity obsession and slapped the Federal Reserve's newfound optimism right in the face.' And with politics deteriorating, it'll get worse.
1. 詹妮弗?劳伦斯

Xi'an Xianyang International Airport outshone all other airports in China, with a punctuality rate of 82.3%.
2. 谷歌文档
China's consumer price index (CPI), a main gauge of inflation, rose by 1.6% in 2017, lower than the yearly control target of 3%, the National Bureau of Statistics (NBS) said on its website.
200911/88512.shtmlDuring NATO’s 1999 air war over Yugoslavia the Atlantic alliance struck hundreds of targets over Serbia and Kosovo. Most were uncontroversial: air-defense sites army headquarters and other military targets. The destruction of one target in particular however set off a wave of anti-Western—and anti-American in particular—protests half a world away. That target was the Chinese embassy in Belgrade.

彭希哲解释称,中部和西部城市化的推进,也吸引了东部沿海城市向内陆地区的大量劳动力前往花销更低的内陆地区。
Ellen DeGeneres
Once you grow your hair slightly longish, be sure to play with it at every opportunity.
The report also found that the top cities in intellectual capital and innovation and technological readiness also achieved high scores in the overall ranking, a clear indication that technologically advanced cities were more likely to earn the title of "cities of opportunity".
美国整体排名第七,是世界最大经济体,也是世界最强国。“创业精神”排名第三,“文化影响力”也排名第三。

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

Pink, LeBron James, Selena Gomez, Ian Somerhalder, Jay-Z and Beyonce, Ben Affleckalso made the list.
projected

CDC

我经常和陌生人说话
超过了9月份11.2%的上涨幅度。

愿你拥有新年所有美好的祝福。
这些,都只是纽约人2015年将会遇到的部分问题。而且,邻居家的儿子在圣诞节收到了新的爵士鼓,你又免不了要头疼了……
3. Portugal is entirely powered by renewable energy for four days
For both, opponents are enemies rather than fellow citizens who think differently.

1=不全是
理查三世是金雀花王朝的最后一位国君,都铎王朝的继任者将其塑造成了不惜一切代价追求权力的无恶不作的暴君,还称他谋杀了他的两个侄子-也就是“塔中王子”-来保住王位。
《大唐荣耀》
该杂志指出:“特朗普的财富与特朗普大厦和距其一英里范围内的八座建筑紧密相关。在该微小市场所发生的一切,对特朗普净资产的影响超过了世界上其他任何事情,而最近,周边房地产市场已经开始陷入挣扎(相对而言)。”

'安全提示问题'并不安全
Project management.
1.中国经济。中国是世界上第二大石油消费国,并且已经在2013年底超过美国,成为全球最大液体燃料进口国。对于油价来说,更重要的一点取决于中国石油消费量在今后几年的增长态势。美国能源情报署预计,2020年中国的日均原油消费量将比2012年高出300万桶,约占这段时间内全球新增需求的四分之一。尽管还存在很多不确定因素,但中国经济刚刚送走了令人失望的第四季度。最终,中国2014年全年经济增长率跌至逾25年来的最低点。中国经济能否停止减速,这一点我们难以得知,但它的走势将对2015年的油价产生巨大影响。
6.You Spend Time Looking For Other Jobs
猪肉价格同比上涨4.8%。猪肉在用来计算CPI的以食品为主的一篮子商品中占有较大权重。

The survey discusses projections for going forward: "The cost of living is always changing and there are already indications of further changes that are set to take place during the coming year."
Welcome, and before we begin – please accept our apologies. Your four-hour nightmare wait at passport control should not be taken as a symptom of Britain's contempt for foreigners. It is merely a symptom of a woeful lack of spending on a key aspect of travel infrastructure in the run-up to a hugely important event. In other words, it's the government that hates you. Don't worry, they hate us too.
全国居民人均可支配收入实际增长6.3%;
2.告诉你的朋友在世界杯期间无论如何也不要忙着生孩子、结婚或办丧事,因为我们是不会去的。
East Asia's cinephiles won't have a local favorite to cheer during this year's foreign-language Academy Awards race after the Taiwan epic 'Warr

6.I Love You Phillip Morris
Vocal group: Little Big Town
Treasury Secretary Jacob Lew announced the plans for the new redesign Wednesday. Lew said the Treasury Department will launch a social media campaign dubbed "The New 10" to solicit ideas on whose portrait should be chosen for the new bill, along with a series of public meetings. He will reveal his decision sometime this year.
The Democratic party's would-be challenger, Republican frontrunner Donald Trump, responded on Fox News, accusing Clinton of pandering to female voters.

Earlier on Tuesday Mr Rutte had issued a call for calm in the dispute with Turkey.
6.Head-Mounted Computer Displays
"If all these train tickets were lined up, they would circle the earth 7 times," said Zhu Jiansheng, deputy director of the Institute of Computing Technologies with the Chinese Academy of Railway Sciences, where the ticketing system was developed.
'It is most probably from a mine in South Africa known as Premier mine and now as Cullinan, where most of the blue diamonds are from. Probably in the last 30 years,' Mr Lunel said.
根据这份由艾瑞咨询集团与新浪微博联合发布的报告表示,由新浪微博和电信巨头华为联合主办的2016超级红人节高峰论坛在上海举行。
Also on the first floor is a library with dark paneling, as well as a fireplace. The kitchen is outfitted with granite countertops, tile surrounds, stainless-steel appliances and a checkered floor. French doors open to a patio.

我们不会越俎代庖,不会超越区域去做不应是中国做的事情。
现在达洛伊西奥还不负责管理他的收入。他坚称说,我太年轻了,还不懂如何发挥其价值。我没有房贷,我才17。对我来说100英镑就是个大数目了,这就是我对钱的大致概念。尽管他无法对Summly的售价置评,但当我逼问他未来打算如何支配的时候,他说他在考虑以后也许可以用所发之财来做一名天使投资人。在他身边,似乎没人觉得这份钱会毁掉他或者他会挥霍钱财浪费人生。戴安娜说,孩子很踏实,很有冲劲儿,他不会停止奋斗的。
The programme entered the ranking in second place in 2006 and was ranked top in 2008.

不管怎么样,这就是这位看起来不太可能的,但正在竞选佛蒙特州州长,13岁候选人桑尼伯恩背后的逻辑。佛蒙特州是美国仅有的两个对竞选州长无年龄要求的州之一。
In March, Ford completed its exit from the luxury car market by selling Volvo to China's Geely Automobile for $1.6 billion. Although the sale represents a sharp loss - the company paid $6 billion for the Swedish automaker eleven years ago - Ford posted an annual profit of $2.7 billion in 2009, its first profitable year since 2005. Assisted by the 'Cash for Clunkers' program (not to mention Toyota's accelerator woes), Ford recaptured its position as the nation's largest carmaker in February. Which is why Ford's CEO Alan Mulally can now look abroad, including big markets like India, where it recently introduced the compact Figo.
《纽约时报》记者詹姆斯?格尔曼追踪报道了一群科学家,他们试图找到将狼与狗区分开来的基因。为了进行科学研究,饲养小狼崽的人必须每周7天、每天24小时和它们在一起,使它们能够适应社会化,以便进行科学研究。尽管这些幼崽看起来很可爱,它们最终还是会成长为掠食性的狼,而不是人类的忠实伙伴。研究人员希望他们的工作将有助于揭示,究竟是什么因素在历史上让一部分狼演化成人类熟悉的狗。
Many entrepreneurs already have a Gmail address, but not every ‘trep knows about the power of Google Docs. By utilizing Google Docs, you can instantly create shareable documents, spreadsheets and presentations that can be updated by any team member with an Internet connection. Take that “track changes”!
如果你拼命工作还是入不敷出,你可能没的得到与你自身价值相符的酬劳。去找一份能够给你应有报酬的工作吧。