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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

2013年玻璃走势良好提升市场活力

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 楼价连升25个月 香港或开征空置税 the quarantine period, and its counterpart organizations do so abroad, all in concert with the World Health Organization.

[n?t]
野村证券驻首尔策略师Michael Na表示:“这可能只是个开始。要惩罚韩国企业,他们有如此多的选项。”

卡利南和瑞兹各提一只装着所有奖项结果信封的手提箱——也就是说,每个奖项都有两只信封。

但由于受到英国脱欧的影响,英镑大幅贬值,英国首相的收入换算成美元后也在大幅缩水。
n. 反映,映像,折射,沉思,影响
智能垃圾桶
The quality of consumer goods imported through channels other than e-commerce proved to be higher, with only 29 percent falling short of standards, according to figures released by the administration.
这些表情包恶搞的话题涉及恋童癖、虐待儿童、性侵害以及纳粹大屠杀。
《雷神3:诸神黄昏》的搞笑程度远远超出你的想象。这都要感谢杰夫?戈德布卢姆与塔伊加?维迪提两位天才的合作。维迪提不仅是本片导演,他还在电影中饰演了一个极其真诚的石头人战士Korg。
Shanghai Pudong International Airport reported the lowest punctuality rate last year. Only 52.4% of flights took off on time, with delays averaging 48 minutes.
所有外出务工人员的年收入据估计达到了3万亿美元,然而大约有85%仍留在雇主国,他们汇款回家的钱,平均不到雇主国GDP的百分之一。

"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

*最佳真人秀主持:鲁保罗?查尔斯(RuPaul Charles),《鲁保罗变装皇后秀》(RuPaul’s Drag Race, Logo)
创造一个学习空间,来帮助你最大限度地利用好学习时间。你是喜欢绝对的安静,抑或吵闹的音乐呢?你是喜欢在餐桌上办公,还是想关上门创造了一个安静的空间。理解你喜欢的类型,并创造属于自己的空间。

n. 块,大量,众多
这项发明是伟大的,但也是愚蠢的。”这个开瓶器号称是“世界上第一个智能开瓶器”,但它不是突破性的。这个开瓶器能在你开酒瓶的时候通过短信发消息通知你的好友,这很疯狂,对吗?
BrandZ表示,这些品牌靠近国内市场,这帮助它们从全球品牌手中夺取市场份额,它们还在新地区赢得市场份额。
这就真相了,我同意。

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。
Prof Cusumano sees all this as evidence that the company is opening up more, including in allowing developers to customise more of its iOS software.
Spider-Man: Homecoming
46岁的姚振华以深圳为大本营,在房地产上赚取了第一桶金。但他的净财富之所以能在一年内增长约8倍,凭借的是他旗下的宝能集团(Baoneng Group)进军保险业和随后对房地产业竞争对手万科(Vanke)展开“突袭”。万科在中国多座城市拥有业务。
收入最高的十位模特中有九位都在内衣品牌维多利亚的秘密有相应的工作,大码模特阿什莉是唯一的例外。

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

Actuaries put a financial value on risk for instance, the chances of a hurricane destroying a beachfront home or the long-term liabilities of a pension system. In a world awash with risks of the natural and manmade variety, the profession is booming, says Tony Lee, publisher of CareerCast.com. In addition, he says, 'there's a severe shortage of actuaries, ' so wages are rising. (The median salary for actuaries in 2010 was $87, 650, according to the Labor Department.)
v. 置于城堡中,(棋)移动王车易

CDC

三大能源机构近期表示,今年石油输出国组织(Organization of the Petroleum Exporting Countries, 简称:欧佩克)以外国家的原油产量将增加,其中大部分来自美国的页岩油。除此之外,由于伊朗、伊拉克和利比亚可能会增产,中东地区的原油产量也许会增加数百万桶。所有这些势必会令油价承压。
对两者而言,反对派是敌人而非观点不同的同胞。

冲击奖项:最佳影片、最佳原创剧本奖项的提名应该是肯定的,而弗兰西斯麦克多蒙德现在是奥斯卡最佳女主角奖的最热人选。
Investigators have arrested one youth and one 18-year-old in connection to the July 9th shooting death, which occurred inside a Jamestown Cres. home.
BuzzFeed News将“假新闻”定义为已经被验证“100%是假的”,并且列出了96家喜欢传播这些虚假信息的网站。
5. 地缘政治事件。不久之前,石油供应稍有差池,油价就会飙升。比如说2014年初,利比亚内乱造成该国石油出口中断,油价应声上涨。在伊拉克, 极端组织ISIS领了部分地区,石油供应中断的顾虑也造成油价急剧攀升。然而,自此之后,地缘政治事件对油价的影响大为减弱。2014年最后几周,利比亚再现战事。但市场仅在油价短暂上扬后便把这一问题抛诸脑后。不过,历史一再证明,地缘政治危机是对油价影响最大的短期因素之一。(财富中文网)

其关于朋友间爱情、事业、友谊的主题仍然与今天的年轻人息息相关。
adj. 有才能的,有天赋的
单词addition 联想记忆:
3.《初恋50次》

准时完成你的工作。即使还有额外的任务,也要如此。
In addition to the growth in P2P lending, a number of online banks and lenders have been created this year — such as Tencent’s Webank, Alibaba’s Mybank and Ant Financial’s Sesame Credit.
I'm sure Dwight Howard's never used steroids, but it sure looks like he has. It looks like Howard doubled in size since leaving high school for the NBA.
'Cutie and the Boxer' was hardly noticed by the movie-going public, but a list of fine films isn't a rundown of box-office triumphs. The reach of Zachary Heinzerling's debut feature-length documentary is equaled by its grasp. On the surface it's about nothing more-or less-than a troubled marriage that has somehow managed to last 40 years. Beneath the surface, then startlingly out in the open, is a history of rivalry (both husband and wife are artists), enmity, reluctant devotion and, most startling of all, enduring love.
“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。”

Lucy Kay 成为亚军,而正太组合 Bars and Melody 位列第三。
2010年中国的房价将达到顶点?
stable
37| “Anomalisa” (Charlie Kaufman/Duke Johnson)|
Transport Ministry spokesman Xu Chengguang told a news conference that no further signs of life had been found and the chance of finding anyone else alive was "very slim."

52% of the world lived in extreme poverty in 1981. This number dropped down by 21% in 2010, as 721 million fewer people no longer live in absolute poverty.
‘Hackers are using common terms from pop culture and sports to break into accounts online because they know many people are using those easy-to-remember words.’
One of the two artefacts which has a metal ring attach to it was discovered in the Yizheng city in western Jiangsu.
Pete Rossi can count on one hand the number of weeks out of the year that he works more than 50 hours. But the rest of the year, his job as an actuary with the Department of Defense, provides a good living with a minimum of stress.

[s?'vaiv?l]
The values of the citizenry are a democracy’s most important asset.
宝能投资集团董事长姚振华是2015年财富榜的黑马,他的财富在一年之内上升了820%,达到172亿美元,使他上升到财富榜第四位。
Last year, the CPI increase peaked at 2.5 percent in January, and later fluctuated below 2 percent during the rest of the year.
节目13 歌曲《嫦娥》,李玉刚 景海鹏 刘旺 刘洋
Sn(EgO+kESd8fwo

中国国产3D奇幻/冒险片《捉妖记》2015年7月在国内上映后打破一系列票房纪录,成为2015年中国内地最卖座的电影
由于制度是在专制统治下制定的,那么反对派就会被迫反叛或者顺从。
第一种看法是,油价本质上具有周期性。下跌之后必然会回升。这道波谷越深,下一个山峰就越高。

Halloween is just a few days away. Which means, if you haven’t gotten your costume or decorations sorted out yet, you might want to start doing that pretty soon.
单词calendar 联想记忆:
Insead is top of the 2017 Financial Times global ranking of the best 100 MBA programmes. It is the second year that the multi-campus international business school has taken the number one spot, after claiming it for the first time last year.
'12 Years A Slave' is shattering and anguishing, a singular anomaly in an entertainment medium. More than that, Steve McQueen's hugely ambitious chronicle of slavery in America is revelatory, a work of art that has been embraced by mainstream audiences. That's a testimony to the power of art (as expressed in John Ridley's script and performances by Chiwetel Ejiofor, Lupita Nyong'o and Michael Fassbender, among others), and heartening evidence of moviegoers' hunger for substance and meaning in the films they choose to see.
Neighborhoods