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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

深圳LED产业大户“扎堆”宝安 上半年产值占全市41%达410亿

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 历经两年整治 东莞厚街镇关闭147家家具企业 the quarantine period, and its counterpart organizations do so abroad, all in concert with the World Health Organization.

We will improve the property rights protection system.
消费支出的上涨反过来促使了更多的租赁和投资以跟上上涨的销量。使美国经济自2005年来经济增长率首次达到3%以上。

Six regions recorded GDP growth less than 7 percent, with China's north-eastern rust belt Liaoning province at the bottom with negative growth.

选择出国继续学习的学生比例也出现小幅下降,由去年的4.8%下降至3.4%。
But it's the best pay on offer for a major world leader.
Ahead of this year's fashion week, set to take place September 14 to 18, an open letter written by singer Paloma Faith and published by Peta also called for LFW and the BFC to ban animal fur.
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。
n. 监牢,监狱,拘留所
Asli Erdogan
因此,他在福布斯的该榜单上排名下滑了220位,与其他19名富豪并列第544位。
All three factors, says Mr Koepke, were at work in the Mexican currency crisis of 1994-95, when the Fed embarked on a tightening cycle in jumps of 25, 50 and crucially, in November 1994, of 75 basis points.

"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

During the summers, Good Humor ice cream trucks visit the company's campuses every other Friday during lunchtime. In the fall, cider and doughnuts are served twice a month, mid-morning.
Hope all your New Year dreams come true!愿你所有的新年想都成真!

The book reflects growing anxiety in some quarters about the possible negative impact of automation on jobs, from manufacturing to professional services. The subtitle of its UK edition warns of “the threat of mass unemployment” and, in the US edition, foresees “a jobless future”.
认真思考一下:未来的经历能提高你的知识和技能吗?它是否会让你接触到新的观点,认识不同的人?(这些都是支持你对机会说“Yes”的好理由!)你需要为了管理团队或与经验更加丰富的同事共事而培养新技巧吗?如果答案是肯定的,那就接受这种挑战,走出你的舒适区。
The cemetery was first found in July 2007and was excavated by the Xinjiang Institute of Cultural Relics and Archaeology,with assistance from local authorities. The research team, led by Zhiyong Yu,director of the Xinjiang Archaeological Institute, published the findings in Chinese in the journal Wenwu. The article was recently translated into Englishand published in the journal Chinese Cultural Relics.
同时,调查数据还显示,榜单上前100名的学校,毕业生平均月薪较去年上涨了1818元,涨幅达到22.8%。

每一次我们詹姆斯已经达到了顶点,詹姆斯就会拿出更好的表现超过那个顶点。他那无所不包的各项技巧,是詹姆斯辛苦训练的证明。你可以嘲笑他所提发布的所有Instagram录像,但这些都是他仍然能够做到这一点的真正原因;詹姆斯从来不轻视他的每一场比赛,一次都没有。结果便是晚上一次又一次无可比拟的表演。
报告还发现,在“智力资本和创新”及“技术成熟度”等指标方面排名较高的城市综合排名也很高,这很明确地表明,技术上先进的城市更有可能成为“机遇城市”。
5. What Is Illuminati?
两周后,伯恩海默等几十位著名的早期绘画大师作品交易商出席伦敦的夜间拍卖会。过去,他们通常会在这些拍卖会上购买一些作品,以备在第二年3月的荷兰马斯特里赫特欧洲美术博览会(Maastricht European Fine Art Fair)上展示。但是由于卖家们鼓励苏富比和佳士得报出更高的估价来争夺自己的拍品,所以拍卖行只针对少数富豪进行宣传,现场竞价十分冷清。
[pi'tr?uli?m]

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 cyclical theory depends on a dearth of new investment creating a supply crunch in two, three or five years. A lot of projects are being postponed but postponement is no more than a signal to project managers to find a way of cutting costs. Many are doing exactly that.
The 30 percent increase is to be driven bymore specialty drug innovation, greater patient access to medicines and reducedimpact from patent expiry dates.

CDC

Where Goods Made From Trafficked Wildlife Go
Currency movements have had a strong impact on agricultural commodity prices this year, with the UK’s referendum on the EU leading to a sharp fall in the pound that pushed up the price of food imports and boosted agricultural exports.

2008年,詹纳作为顾问与印度达拉维一家呼叫中心的员工进行了交流。达拉维是南亚最大的贫民窟。那名工人说有数以百万计的无业村民具备有与他一样的能力。詹纳说:“我想:‘有没有可能利用外包为数十亿人每个人带来几美元,而不是为少数富人带去数十亿美元?’” 于是,她成立了撒马源公司(Samasource),用这个高科技平台帮助贫困的女性和年轻人获得谷歌(Google)、商务社交媒体公司LinkedIn和微软(Microsoft)等公司的数字项目。到目前为止,这个非盈利机构已经帮助16,000人脱离了贫困。近期,它还在美国成立了一个国内项目SamaUSA,主要面向居住在旧金山的低收入学生。
节目11 歌曲《我心永恒》,席琳-迪翁
米拉·库尼斯继续在各种性感女星排行榜上占据一席之地。
5.E-Cigarettes

单词response 联想记忆:
该研究基于数亿个安全问题的答案以及数百万条恢复账号登录的请求。
“老实说,我真的不担心。”科比说,“我的投篮会变好的。”
In the 1990s, Roth applied it to the market for allocating US student doctors to hospitals. He developed a new algorithm that was adopted by the National Resident Matching Program, which helps match resident doctors with the right hospitals.

With the second round of (re)negotiations closing on Tuesday we have truly entered the technocratic phase of these trade talks.
extra出+vag走…走过头…奢侈+ant表形容词,“ …的”→奢侈的
2012年有哪些品牌通过社交媒体提升了它们的声誉?哪些公司则越来越差了?
Two Chinese universities have been placed in the top 20 of this year's Times Higher Education World Reputation Rankings, according to data released last Thursday.
I once had an advisor that said to me when I expressed fear of a difficult class, "Do you want to get an education or not?"

相比之下,沪股市盈率为12.6倍。这反映出A股和H股的巨大价差(37%)。在经历2015年的跌宕起伏之前,二者价差更多时候处于20%以下——暗示H股指数大有上行空间。诚然,H股指数并不代表中国“新经济”中最好的部分,特别是银行股占比偏大。增长预测十分惨淡。然而,在预期已经如此糟糕的情况下,很难想象还能坏得哪里去。即使是受产能过剩困扰的地产业也在逐渐走出低迷。
D1t]!J^-6h=kwFS)I
他说:“目前为止,健身追踪器还不属于这类产品。但是下一代可穿戴设备有潜力跨越这个至关重要的里程碑。”
adj. 优雅的
vi

Some 695 million netizens used mobile phones to access the Internet in 2016, with a growth rate exceeding 10 percent for the third straight year, the report said. Smartphone-based Internet use accounted for 95.1 percent of all Internet users, up from 90.1 percent in 2015.
The unemployment rate probably won't fall quite as rapidly in 2015, according to economists, especially if more people enter the labor force because jobs are easier to find. Yet another large spate of hiring similar to the gain in 2014 would make the low unemployment rate more believable.
A. O. Scott
大部分原因还是全球变暖,而全球变暖主要是二氧化碳排放量上升造成的。二氧化碳是主要的人为温室气体,通过燃烧煤、石油等化石燃料产生。

8.Russia
Writing for a Variety Special: Patton Oswalt, “Patton Oswalt: Talking for Clapping”
Jobs for workers with branding skills were also on the rise during the third quarter of 2016, most likely thanks to “small businesses’ need to create cohesive and consistent strategies for their companies online,” according to the report.
e出,pi,sode与sell的过去试sold发音一样:出门把pi卖了,这绝对是人生的一个插曲。
一有机会就炫一下小卷毛。
Social customer service kills the dreaded phone tree

French business schools top the 2017 ranking. Edhec Business School, based in Lille and Nice, leads the field for the first time. HEC Paris, which dominated this ranking since its first edition in 2011, drops to second place.
We learned that we could see a source of ripples in space-time.
艾丽斯·斯瓦策尔(Alice Schwarzer)

《the Post》
1.超强领导力和清晰远见
莱昂纳多·迪卡普里奥和嘎嘎小姐在今年金球奖拔得头筹。
population
9、邦德经历风险无数却总能死里逃生。当然,人物本身是虚构的。有意思的是,研究证明,肌肉男更皮实。实际上,肌肉不发达对男性来说,可能很要命。(可能就是发达的肌肉让他得以活命的吧,我怀疑他会死于心脏病或前列腺癌)。