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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

北京一房东卖房不迁出户口 两次转手引发连环诉讼

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 报告:养老地产存用地规模过大高端项目扎堆问题 the quarantine period, and its counterpart organizations do so abroad, all in concert with the World Health Organization.

鲁纳尔说:这颗钻石可能产于南非的普列米尔矿山,现称库里南矿场。”
Unfortunately, there won't be a 2014 rematch between Brazil and Uruguay, as the latter was eliminated on Saturday. If Brazil makes it to the final on July 13, the country could play Mexico, the Netherlands, Costa Rica, Greece, USA, Belgium, Argentina or Switzerland.

她说,零售业务“起步不久,好坏参半”。她表示,亚太所有国家都有大量工作要做,并补充称,澳大利亚的事例证明,就吸引散户兴趣而言,监管改变可以带来显著不同。

这种情况下,湖人从他们的头等交易品那里获得了足够的回报,让他们的年轻球员诸如丹吉洛-拉塞尔和布兰登-英格拉姆准备好在比赛关键时刻承担更重的责任,同时铁了心摆滥准备迎接UCLA新星朗佐-鲍尔的到来。
May the glow of New Year candle fill your heart with peace and pleasure and make your New Year bright.
The awards returned Ms. Lawrence, a winner last year for Russell's 'Silver Linings Playbook,' to the stage for an acceptance speech-something she said was no easier a year later.
cast
optimistic
The Magic are the single-most mystifying team in this entire exercise. They make little sense on paper or on the court.
香港没有这样的熔断机制,由中国内地企业股票组成的H股指数(香港恒生中国企业指数(HSCEI))周一下跌不到4%,成交量也只是寻常。人们原本可能以为会更加惨烈。中国内地的散户投资者既可进入内地股市,也可进入香港股市——通过沪港通(Stock Connect)和一个有漏洞的体系——而且,如果你无法卖出你想卖的,你就卖你能卖的。一直最不看好中国经济的H股境外投资者也可能被认为是卖方。然而,尽管沪市周二开盘进一步下跌3%(之后出现反弹),香港的H股却依然保持坚挺。
The 15 ranked online MBA programmes provide flexible study options for working executives, who can expect to graduate with the same qualification as their full-time, residential MBA counterparts.

"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

In February, Maddie joined Sia and Kristen Wiig in a performance of the track for the 2015 Grammy Awards as Kim Kardashian and Kanye West looked on from the front row.
[strein]

该剧因为爱情戏份太多,对周莹奋斗的故事描写太少而受到批评,其豆瓣评分为7.2分。
SETTING: This house is on Modena Island, about 20 miles from downtown Savannah. According to the listing agent, the community is gated and has about 20 houses sited amid live oaks and saltwater marshes. Modena Island is a part of Skidaway Island, which has an oceanography research facility operated by the University of Georgia and a large state park.
swimming;Synchronised swimming;diving;canoeing;Whitewater slalom;Still Water;Rowing;Sailing;Water Ball
Rank: 3

反腐力度将会被加强。2014年中国反腐调查案件将会从如今的14万件,增加到超过20万件。这将使得中国更强大。 如果反腐能够成功,将会使中国更关注于做事,而不是搞人事关系。
22岁的吉吉·哈迪德和21岁的贝拉·哈迪德也是首次跻身榜单,分别位列榜单的第五位和第九位,吉吉·哈迪德的收入为950万美元,她的妹妹贝拉·哈迪德的收入为600万美元。
《迈耶罗维茨的故事》
在针对已拥有金融业工作经验的学员开设的金融课程的排行榜上,伦敦商学院(London Business School)重新夺回在2011年至2015年占据的冠军宝座,同时英国剑桥大学(University of Cambridge)佳奇管理学院(Judge Business School)跌回第二名。
华盛顿:到十月份底,印度减持美国政府债券到775亿美元,尽管作为世界上最大经济体的美国的经济在稳步的上升。

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 consequences are more parochial than those of Chinese data distortion. British law requires the ONS to produce the RPI and, given that it refuses to improve the measure, its fiddling affects hundreds of billions of pounds of contracts which continue to be linked to the RPI.
Sohmers所推出的这个产品,可谓将高速运算能力和低能耗集为一体。Sohmers表示:“除了电子工程师外,我认为我还是一位创业者。我相信,我所作的工作,将会对整个世界产生重要的影响。”Sohmers在几年前从高中辍学,加入了Peter Thiel创立的创业加速器20 Under 20 Thiel Fellowship。2011年,在其他同龄人都在准备考大学的时候,Sohmers开始学习编程。他获得了10万美元的种子资金,并且跟随硅谷中一些著名的技术人才进行学习。Sohmers曾在麻省理工学院研究实验室进行工作和学习,研究从增强现实眼镜到激光通信系统的任何东西。也是在那里,他见到了REX的另一位联合创始人Kurt Keville。但是在他正式进入麻省理工学院研究室之前,他的父母似乎并不太支持他放弃学业。

CDC

Maryam Sharif
As for bitcoin in the mainstream banking system? “We are still a good year away, in our estimation, from where you can imagine a known financial services company using this,” Ludwin says. “But it’s not 10 years. And when it happens, people will be surprised by how quickly it spreads.”

一,中国航空发动机集团的成立。去年集团公司通过研发提高了国产发动机的技术水平与续航能力,表明自主开发飞机发动机仍是当前中国的战略重点。当中国获得了铼,一种制造高压喷气发动机涡轮叶片的必须合金材料之后,这一决心更加显著。2010年在陕西发现占世界总储量7%的铼矿后,中国已投入相当大的精力开采并应用这一金属。此外,现代喷气发动机的关键部件——大规模单晶涡轮叶片制造技术也取得了重大突破。新成立的中俄宽体客机项目至此有望用上国产发动机。
西尔万·埃索(Sylvan Esso),《咖啡》(Coffee), Partisan
[ik'sentrik]
refrigerator

Over 90 percent of them attended schools in English-speaking countries, such as the US, the UK and Australia, and over 70 percent pursue at least a bachelor's degree, according to the MOE.
高通:农夫市集走进公司
This ranking measures the quality and breadth of the schools’ postgraduate programmes. It is based on their performance in the four main rankings published by the FT each year: MBA, Executive MBA, Masters in Management and Executive Education. Only schools that take part in all four rankings are eligible for a full score.
我们希望看到的亚太地区是一个稳定、有秩序的地区,是一个可以协商一致、达成原则的地区,是一个有能力管控分歧的地区,也是一个有智慧解决争端的地区。

英国《泰晤士高等教育》专刊于上周四公布的一项调查显示,中国内地两所高校入选亚洲大学前三名。
凯投宏观(Capital Economics)首席亚洲经济学家马克?威廉姆斯(Mark Williams)补充道:“我们预计,2017年新兴市场出口的表现将继续改善,出口值会同比温和增长。”
As a measure of that fall, 10 works have sold at auction for more than $100 million since 2004, and all of them were made by modern or contemporary artists in the past 120 years. Older paintings have seen their value, in relative terms, level off or decline. The trend was plain to see in recent weeks, as London’s auction houses tried to find buyers for their latest tranche of old masters. As has been the case in recent years, there were few works by major names.
Wish all the best wishes for you.献上最美好的祝愿。
The Peoria, Ill.-based maker of heavy equipment authorized $10 billion in stock repurchases in January and expected to buy back $1.7 billion of its shares in the first quarter this year to complete its previous $7.5 billion repurchase initiative. The ongoing buybacks are "a result of our record cash flow," said CEO Doug Oberhelman.

“The employee said she was going out to buy boots, but was never seen again.”
同样跻身2013年全球最贵城市前十名的还有新加坡、苏黎士、巴黎、委内瑞拉首都加拉加斯和日内瓦。
不过,我们大部分人都有自知之明,在粉饰过去的同时就已意识到自己是在自欺欺人。我们知道这种倾向在政治界的危害(看看布什和克林顿吧)。可是,在时尚界又何尝不是如此呢?
自从2010年开通运营以来,12306票务系统已多次升级以修复漏洞,并在春运期间提供更好的服务。
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.

She only learnt to walk five months ago, but 'Baby Beyoncé' is already strutting her stuff on stage at pageants.
6. Ipoh, Malaysia-Around 200 kilometers north of Kuala Lumpur, the former British colonial city is now a foodie destination, where local street food and boutique cafes around.
I wish you a happy New Year. All affection and best wishes to you and yours.
The number of moviegoers in 2016 reached 1.37 billion, an increase of nearly 8.9 percent year-on-year.

Among French schools, Toulouse Business School made the best progress, up 14 places, after featuring in the Executive MBA ranking for the first time.
年度最佳合唱:埃里克·丘奇、杰森·阿尔丁、卢克布·莱恩《The Only Way I Know》
也许同等重要的是,稳定或者下降的油价将会缓解通货膨胀压力使美国工人的工资更具有购买力。Renaissance Macro经济学家Neil Dutta 称“这对于国内需求来说是一个明确的积极的消息,人们将会有更多可以用来消费的钱”。
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.
他说:“我认为在这个过程中让年轻人参与的最佳方式就是赢得比赛。”
然而抓捕犯罪团伙十分困难。非法肉类食品常常混藏在水果蔬菜等农产品之间,卡车司机收到好处费后也拒绝承认对此事知情。

《一记耳光》(The Slap),NBC,2月12日播出。乔恩·罗宾·贝茨(Jon Robin Baitz)与丽莎·查罗登科(Lisa Cholodenko)担任制作人,这部剧改编自一部澳大利亚迷你剧,讲述一个后院生日派对失控后带来的后果。演员阵容非常强大,包括彼得·萨斯加德(Peter Sarsgaard)、乌玛·瑟曼(Uma Thurman)、桑迪·牛顿(Thandie Newton)、布莱恩·考克斯(Brian Cox)和梅丽莎·乔治(Melissa George,她也在原剧中出演角色)。
今年,标普500指数的总回报率为14%,比该指数25年期平均年化收益率高出40%。过去12个月,华尔街的首席战略师们一直在上调其目标值。标普500指数出现了50多次创纪录的收盘,几乎所有专业投资管理人士都卯足了劲,至少要跑平该指数。但有些因素让美股投资者要获得高于基准股指的收益,在今年尤为困难。
adj. 方便的,便利的

6. Lighting
单词circulation 联想记忆:
这位名叫波比·博伊登的小选美冠军穿着一身黑色的连衣裤,带着鬈曲的假发,非常熟练的跳着扭臀舞,向观众们飞吻。
脱发和头发变白的原因是相关的,科学家首次确认了对此负有责任的细胞。
《大白鲨》的故事非常不现实,但它的原型是1916年由一条鲨鱼造成的一系列真实命案。在被称为“史无前例的系列鲨鱼袭击事件”中,2周内,泽西海岸边有4人被鲨鱼咬死。据报道,犯案的鲨鱼被捕后,消化道中还有尸骸。不过,权威科学家至今无法确定,是什么驱使这条鲨鱼袭击了这么多人。