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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

北新建材龙牌矿棉吸声板销量突破“双百”大关

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 橱柜行业未来走势分析 the quarantine period, and its counterpart organizations do so abroad, all in concert with the World Health Organization.

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The 16-year-old surnamed Zhou on April 24 poured pesticide into the water dispenser in the classroom, apparently in an act of revenge against classmates who disturbed the class and affected Zhou's studies, the Chongqing Morning Post said.

“有个员工把一块上面写着‘我不干了!’的砖头扔进公司窗户。”

4.Virtual Assistant: 17.6 percent increase
自1983年以来,每年的央视春晚就成为了中国人民春节必不可少的重要组成部分,也难怪主办方的每个举动都能成为关注的焦点。
Curry scored 27 points and the defending champions moved within one victory of matching the best start in NBA history, holding off the Chicago Bulls 106-94 on Friday night to improve to 14-0.
Until four years ago, Maddie was an unknown eight year old who enjoyed dancing and went to a local primary school.
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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。
乔布斯在苹果大会上作专题演讲后展示MacBook Air ,2008年,1月15日,旧金山
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"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

9. "Vikings" (2.3 million)
中国外汇储备在今年前11个月中的9个月下降,目前约为3.43万亿美元。投资者抛售人民币资产以保护自己免受贬值影响,而央行出售外汇储备中的美元以遏止人民币弱势。中国利率不断下降,而美联储(Federal Reserve)预计很快将开始加息,也助燃了资本外流。中国外汇储备曾在10月轻微反弹,似乎表明外流已趋于停止。

Libby has posted the lyrics on her YouTube channel in the comments section, but here they are for you. There are plenty of lovely English expressions and British English slang that I’ve highlighted in bold for you. Can you guess the meaning? What does “OMG” stand for?
走上一段旋转楼梯就是几间卧室。中间有一处阁楼式的书房俯瞰着中庭。主卧套间和配套的浴室内有几面玻璃墙可以观赏数英亩湿地的景色。这个套间通往该房屋临水一侧的一个阳光平台。另外两间卧室也带有配套的浴室。底层已全部装修,用作健身房,并带有一间无洗浴功能的卫生间和一间可停放几辆车的车库。
4.You Don't Like Most of Your Coworkers
Truck wars: Awards aside, Ford’s aluminum pickup is hard to build and slow to sell, leaving an opening for Ram’s fast-rising 1500 while Nissan tries to forget the failure of its first full-size truck when it launches the second-generation Titan with the biggest of big rig styling. The industry’s biggest secret is revealed by veteran executive John Krafcik in Automotive News: In the

“Nick is an exceptional product thinker,” Adam Cahan, Yahoo’s senior vice-president of mobile and emerging products, said. “He does represent a generational shift in the kinds of things he is thinking about and what it means to be truly mobile. That generation is not just mobile-first, they are mobile only. That’s a different point of view.”
荷兰危机牵涉到成熟的金融专业人士,那些惯于分析金融和经济趋势的人们。但是,他们过于看重个人经验。
The National Basketball Association (NBA) Global Games is to feature two pre-season games in China between the Golden State Warriors and the Minnesota Timberwolves, the NBA announced.
vi. 打结
Trium跃升3名,击败由凯洛格管理学院(Kellogg School of Management)与香港科技大学(HKUST)联合推出的课程,后者多年来一直高居排行榜榜首。这是Trium首次登上排行榜榜首,也是14年来第四个登上榜首的课程。

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 research also suggests there maybe a value in finding a job through an internship. Interns who accepted a job offer had higher salaries than those who had received an offer but refused it. Those interns who did not receive an offer had lower salaries still. The gap between these groups had increased three years after graduation.
作为门户网站,雅虎将移动技术作为扭转厄运的重中之重。它将目光投向了英国少年尼克达洛伊西奥(Nick D'Aloisio)和Summly,后者能够为小屏幕设备自动生成新闻摘要。

CDC

《出生于缅甸皇室的她成为军阀和大毒枭》(The Female Warlord Who Had C.I.A. Connections and Opium Routes)
3. Your boss received your résumé from a contact of a contact。

英国科学家本周一证实,莱斯特市的一个停车场地下挖出的遗骸为15世纪英格兰国王理查三世,这也解开了长达五百年的谜团。
“FKA细枝”(FKA twigs),《两星期》(Two Weeks),Young Turks
根据中国商业杂志《新财富》发布的2018年中国富人榜,位列榜单前十大亨的财富总和达1.72万亿元,首次突破千亿元大关,在榜单500位富人财富总和中所占比重达18%。
neglect

The total amount of remittances, which is estimated to reach $450 billion in 2017, has risen by more than 50 percent in the past decade, IFAD said.
Some hits have gone so far over the top they should be winded, yet instead keep on puffing gusts of hot air, including “Downton Abbey,” “Scandal” and “Revenge.” A new addition on ABC, “How to Get Away With Murder” was a fun substitute, a lurid nighttime soap opera about lawbreaking defense lawyers — “Law & Disorder.”
Best chances: Best film, and best original screenplay recognition looks certain, and Frances McDormand is currently the favorite for the best actress Oscar.
The number of people holding degrees from colleges or universities reached 170.93m, which means there were 12,445 people with an advanced education per 100,000 people in 2015, up from 8,930 in 2010. The number of people who had attended a senior high school also increased, and the number who had only completed lower-level education fell.

8. Experienced Better Cognitive Performance With Bare Feet
According to government sources, property sales in Hong Kong fell almost 40 per cent in the first half of the year compared with the same period in 2015 — both in terms of price and volume. An index from the Rating and Valuation Department released this month showed the commercial sector was a particular casualty, with prices falling 5.7 per cent in May compared with the same month last year.
Part of the appeal of online programmes lies in their flexibility, reach and slower pace of delivery than cam-pus-based MBAs. Apart from IE, which imposes an 18-month time limit, participants have on average about five years to complete their degrees.
Have a love filled New Year!
但大部分海外岛屿则会出售永久产权。

8.《生活大爆炸》白板上的公式都是真的
A fascinating study from researchers at the University of North Florida reveals that running barefoot may actually improve your memory more than running with shoes. While most memory studies seem to take place in a laboratory or room where everyone sits at a table, this experiment definitely introduced an interesting idea to the search for a better memory. The experiment focused on something called "working memory," which is the human ability to process information and recall details throughout life. The scientists published the results of their study in "Perceptual and Motor Skills," and found that running barefoot resulted in a not-insignificant memory boost when compared with memory performance after running with shoes. The researchers found that tossing your shoes off and running for about 16 minutes at a comfortable pace could result in a 16% improvement in working memory performance.
The current El , a naturally recurring phenomenon that warms the Pacific Ocean, was probably only responsible for about 10 per cent of 2015’s record-breaking temperatures, he added.
At New Year and always, may peace and love fill your heart, beauty fill your world, and contentment and joy fill your days.新年的祝福,平日的希冀,愿你心境祥和、充满爱意,愿你的世界全是美满,愿你一切称心如意,快乐无比。
Comic skit “Big City Small Life”(Wang Ning, Chang Yuan and Ailun)

当城市规划部门明年初(2015年——译注)提出初步的建议方案时,布鲁克林的东纽约(East New York)地区将被列为试点。随后,重新区划进程就将在该处全市最穷社区之一内展开。而紧随其后的,将是针对皇后区的西法拉盛(Flushing)的提案。
“A hiring manager was reading the wrong person’s resume.”
Headquarter shifts: With Toyota leaving for Texas and Mercedes headed toward North Carolina or Georgia from New Jersey, look for Subaru to chart its own path when it builds its new headquarters. One option: Moving closer to its customers by relocating in Vermont.
回忆:fanfare(n 夸耀)

《何以笙箫默》
中美两国人民都是伟大的人民,我们有智慧来管控分歧,我们有需要也有条件来扩大共同利益。
Quantum Break
第十步 如果以上几条都做不到——就公告天下说你有反社会人格
总部位于芝加哥的竞争对手科尔尼(AT Kearney)也在为领导层变动做准备,计划于2018年第一季度投票决定接替约翰奥利格(Johan Aurik)的人选。管理合伙人最多担任两个任期,而奥利格已经期满。预计他的继任者将专注于让科尔尼做大,摆脱中等规模参与者之列。
United States emissions had been declining because of increased burning of natural gas in power generation, which emits less carbon dioxide for each unit of energy than does coal. But the nation reported an increase in 2013 as coal regained some market share. If that trend continues, it could prove to be a challenge for the Obama administration as it seeks to institute tighter policies on greenhouse gases.

1950年世界杯决赛,巴西1比2不敌乌拉圭,与冠军失之交臂。对现在的巴西球迷来说,那依然是一段令人痛楚的耻辱史。如今,贝尔蒙特老爷子已经85岁高龄,他希望能够看到祖国重拾桑巴荣耀。“我希望巴西再次夺冠。”他说。“这是我们的复仇之战,我很想去看。”
马纳尔·阿尔-谢里夫(Manal al-Sharif)
近日公布的一份调查结果显示,清华大学毕业生的平均薪酬在全国高校毕业生中最高。

37岁的吉赛尔·邦辰赚得1750万美元,排名第二,自2002年以来这是她第一次没有登顶模特收入榜单。
2. Worldwide Murders
自1983年以来,每年的央视春晚就成为了中国人民春节必不可少的重要组成部分,也难怪主办方的每个举动都能成为关注的焦点。
As China gains ground, its best frenemy – the United States – account for the other half of the top 10 spots. Berkshire Hathaway and Wells Fargo WFC -both move up four spots to No.5 and No. 9, respectively.
Here are four memorable designs from the year, including commentary from some of the artists who helped shape the looks.