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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

万达电影收购万达影视财务疑点揭秘

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 成都:建设“五中心一枢纽” 构建五大主体功能区 the quarantine period, and its counterpart organizations do so abroad, all in concert with the World Health Organization.

清华大学的毕业生以毕业五年后平均月薪14822元高居榜首。39所高校生跻身万元户行列。此外,共有185所高校的毕业生平均月薪突破8000元大关,789所高校的平均月薪突破了6000元大关。
Homeowners in neighborhoods like the Grand Concourse in the Bronx or Elmhurst in Queens could enjoy new attention from buyers eager to find the next untapped market. “When have you heard talk about Kingsbridge in the Bronx?” asked Ms. Ramirez of Halstead. “The people who are smart are getting out there and buying it up at wonderful prices.”

A·O·斯科特

Mr Cook must balance that with the secrecy that surrounds its product development. Already, there are whispers on Apple’s campus about another secret project, on the scale of the iPhone or Watch, which is pulling in talent from across Cupertino.
5. Smart belt
单词lasting 联想记忆:
adj. 古怪的,反常的,不同圆心的
公司:建筑公司Project Frog
10. Michelle Jenneke
Despite the criticism, Mayer defended her decision to Fortune in April and said that the move was "wrongly perceived as an industry narrative." Mayer said she needed employees to work in the office to encourage collaboration and innovation from workers. So far it looks like her controversial move may be helping the business: Yahoo's stock is up more than 100% since Mayer took over in 2012.
“有个人给老板发了个短信,说他要离职了。”

"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

Alumni from the Swiss school also have the third-highest salary, at $114,449, adjusted for purchasing power parity, behind those from the Indian Institute of Management at Ahmedabad, on $116,476, and IIM Bangalore, on $116,094. St Gallen is also top for the quality of its careers service.
5. 艾玛?斯通

Czech model Petra Nemcova went for a dress in white, which featured an extremely plunging neckline and thigh-high split. Ensuring that both her lithe legs were highlighted to the max, the stunning blonde made sure all eyes were on her as she sashayed down the red carpet.
8. 杰西卡?戈麦斯
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The statement said: "We sincerely apologize to Moonlight, La La Land, Warren Beatty, Faye Dunaway, and Oscar viewers for the error that was made during the award announcement for Best Picture."

7. Hearing Aid
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Falling global demand for personal computers (PC) saw shipments fall by a record 10.6% in the fourth quarter from a year ago, according to market research firm IDC.
PRRI研究总监丹尼尔-考克斯说,一些受访者(包括75%的非白人新教徒)相信恶劣天气既是末日论的证据,也是气候变化的结果。
Leading the pack of the best airlines for holiday travel is Hawaiian Airlines, followed by another Pacific Coast-focused carrier, Alaska Airlines. Conversely, the worst airline for holiday travel is New York-based JetBlue Airways, with ExpressJet, a regional carrier, coming in next to last, according to the FlightAware data.

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

Portugal's achievement gives governments and energy companies a tangible example of how it can and does work, and why they should be investing in solar, wind, wave and other renewable technologies now.
Over the three-year period we examined, late arrivals actually declined during the Thanksgiving travel season — just 12 percent of Thanksgiving flights were delayed last year, compared with 19 percent in 2010. according to the Transportation Department.

CDC

So what does 2015 portend? Here are some educated guesses.
根据中国海关的数据,10月铁矿石进口量较上月环比下降12.3%,同比下降4.9%,而煤炭进口环比下降21.4%,同比下降30.7%。

你可能从未想过一根皮带可以与人工智能相结合,但Belty做到了,并使它看起来很时尚。这个belty会让你不自觉就觉得,“为什么我需要这个?”然后你想可能会是,“如果是黑客入侵,他们把它系得很紧我不能呼吸该怎么办?”第一个问题是合理的;第二个问题有些牵强,但如果它让你三思而后买这个产品,这并不是一件坏事。
SAN JUAN, Puerto Rico (AP) — Puerto Rico’s new governor was sworn in Monday as the U.S. territory prepares for what many believe will be new austerity measures and a renewed push for statehood to haul the island out of a deep economic crisis.
The Bulls get the Kings' pick if it falls outside the top 10, so it's better for the Kings to be a bottom-10 team than to just miss the playoffs in terms of team-building.
n. 声明,陈述

Lorde, 'Melodrama'
AFI TV Programs of the Year
That an iPhone mini and a LTE license from the Chinese government this year or next could finally persuade China Mobile (CHL), with 700 million subscribers, to cut a deal with Apple.
节目23 《直通春晚》①《山路十八弯》(表演者:阿普萨萨)②《我是一只小小鸟》(表演者:许艺娜)③《我爱你中国》(表演者:平安)

Other high points for the school include being first for alumni international mobility, second for international experience and third for job placement.
We have confidence that we will continue to open this country at a higher level, and maintain this country as a popular destination for investment. We welcome other partners to work with us to share in the development opportunities of China.
韩美林在他的社交媒体上表示,他只设计了吉祥物的水墨画原始版本,对3D版并不知情。某网友对此回应了这位德高望重的艺术家:“我们当然相信这只丑猴和韩大师无关。”
It is said in the report that the three major industries that graduates expected to work for are it/internet/telecommunications/electronics industry, financial industry/ banking/investment/fund/securities/insurance, government/public service/non-profit-making institutions.
门票很快销售一空,只是大多却不是落到铁杆球迷的手中。

如何重置iPod
No. Football punditry is a mug’s game. Better to have the benefit of hindsight. There have been 20 previous World Cups. Of those, Brazil (five titles) and Germany (four), are regular contenders. Home advantage helps, with host nations winning the trophy six times. But next year’s festival of football is being held in Russia, which has the lowest-ranked team in the tournament.
This move works on multiple fronts for the Thunder. First, Gibson helps fill in for the injured Enes Kanter in the short-term and he brings playoff experience, solid rebounding and hard-nosed defense to a possible postseason matchup with the Spurs or Rockets.
Even though we are apart, you are in my heart this season.千山万水,隔不断我在佳节对你的思念。
继去年10月被《时尚先生》杂志评为“最性感在世女性”、上月被《Details》杂志评为“最性感明星”后,这位美丽动人29岁女郎又得到一个荣誉称号:《男人装》杂志评选的“2013年最性感女性”,她打败了在榜上的其他99位女性和不计其数的未上榜女性。

BABYLON (Sundance, Thursday) James Nesbitt, recently seen as the obsessed father of a long-vanished child in “The Missing,” shows up here in a very different role: as a calculating old-school police commissioner who hires an American public-relations expert (Brit Marling) to update the image of Scotland Yard. Danny Boyle (“Slumdog Millionaire”) created this satirical drama, which bears some resemblance to Armando Iannucci’s political comedy film “In the Loop.”
Will Emmanuel Macron secure a commitment from German chancellor Angela Merkel on a eurozone budget
vt. 妥协处理,危
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

Whiteness, in this context, is more than just skin color. You could define it as membership in the “ethno-national majority,” but that’s a mouthful. What it really means is the privilege of not being defined as “other.”
关于“白”的定义总是存在一定程度的不稳定性。美国的爱尔兰与意大利移民,英国的犹太人,都曾一度被排除在白人多数群体之外,如今却因为他们的种族特征,同样被视为白人主流的一部分。与此同时,尽管犹太人也是白皮肤,特朗普的某些支持者们还是会把他们视为外来者,这些人经常在社交网络上散布反犹太的网络米姆。
n. 轨道(track的复数);磁道;轮胎
流行音乐界永远的一号叛逆者夏洛特·艾玛·艾奇逊带着一张出色又令人惊讶的混合专辑回归了。
“理查三世研究小组”的成员菲利帕?朗丽说,她希望能重塑理查三世的形象,都铎王朝的继任者塑造出来的片面形象将不复存在。她负责协调研究工作以及筹款。
The three-day China Development Forum 2016 kicked off in Beijing.

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Porto is nearly synonymous to port wine, and also its rich history. The city's historic center and the Alto Douro Wine Region have been listed as UNESCO World Heritage Sites.
9. You've been avoiding your boss。

小说作者安东尼·赫洛维兹(Anthony Horowitz)透露,新书《Trigger Mortis》为现代读者作了改动,包含反对吸烟的信息,而且首次有一位“直言不讳”的同性恋朋友出场。
Google's top 10 searches for 2017–Global
审校:赵倩 来源:前十网
In 1995 Dutch troops serving as UN peacekeepers failed to prevent Bosnian Serb forces murdering 8,000 Muslim men and boys in the town of Srebrenica in eastern Bosnia.
2008年,中国政府增加了一个归类为精神疾病的条目:"网瘾症"。据大量官方媒体报道,中国的年轻人花太多时间泡在网吧里,不顾家人和工作玩网络游戏到凌晨,有时甚至不吃,不喝,不睡眠,严重危害了自己的健康。