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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

住房消费调查:近半家庭认为所在城市房价高

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 严介和欲砸2500亿造新城:打败世界所有智能城市 the quarantine period, and its counterpart organizations do so abroad, all in concert with the World Health Organization.

从10年和20年的时间跨度来看,地域和资产类别的多元化已经证明对投资回报和风险管理有益。不幸的是,在12个月内,不一定能看到此种战略的好处。在如今这个140字微博消息和2分钟短视频盛行的时代,投资者不能以长期的表现来判断其投资组合的成败,又有何奇怪?
影片讲述了一个神秘的水生生物和莎莉霍金斯扮演的哑女之间超凡脱俗的爱情故事。

“我们做事情不是为了追求利润,我们做事情,是因为这些事情是正确和公正的,”库克咆哮道。他说,不管是为了人权、可再生能源还是为有特殊需求的人们提供帮助,“我不考虑该死的投资回报率”。“直截了当地跟你说,如果这是你考虑的硬性因素……那你还是把苹果股票卖了吧。”库克的语气严厉,毫不妥协,那是苹果员工或许永远不希望面对的一个声音。

先锋(Vanguard)的亚洲投资组合审查主管Yan Pu怀疑,亚洲的产品结构可能阻碍了ETF的发展。例如,亚洲ETF公司提供大量的股票ETF产品,但很少有固定收益产品。她指出,在美国,固定收益ETF增长迅速。
“It’s fundamentally about ‘who are we?’” said Eric Kaufmann, a professor of politics at Birkbeck College, University of London. “What does it mean to be part of this nation? Is it not ‘our’ nation anymore, ‘our’ meaning the ethnic majority?
新年英文祝福语大全Best wishes for the year to come! 恭贺新禧! Good luck in the year ahead! 祝吉星高照! May you come into a good fortune! 恭喜发财! Live long
10.Fears of Another Tsunami
Entrepreneurs are movers and shakers. They can’t afford to analyze every detail or they’d never get anywhere. There is no place for procrastination in a startup. It’s a 24/7, no-vacation-or-sick-days kind of job that demands constant forward momentum. Make a brief assessment at every step and move on it. Trust your instincts.
销售与市场类
Corkin died this year but shortly after, journalist Luke Dittrich published a book claiming Corkin buried inconvenient findings, shredded files, and acted unethically in gaining HM's consent.
Migrants working in rich countries sent home almost half a trillion dollars in 2016, helping to lift families out of poverty by providing financial stability, access to education, housing and healthcare, according to a global report.

"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

“You can choose to spend the time however you like,” he wrote, suggesting people “go travelling, pursue a philanthropic project, spend quality time with family or simply take time out to recharge and refocus”.
时间:2009-07-16 编辑:vicki

authority
Mr Koepke’s point is that these conditions may change and that their significance is underestimated.
Some of my work has been set inAmerica, so I am very pleased and honored that my work is loved here.
经济学家的预期中值为同比上涨0.9%。

The curbs are having an effect. Overall non-financial outbound investment fell 36 per cent in January from a year earlier to Rmb53bn ($7.8bn), the commerce ministry said on Thursday, following a 39 per cent drop in December.
2.Show Up, Every Time
昨日,108名表演者身着熊猫服装,穿行在伦敦的街头,向大众宣传这种惹人喜爱却面临灭绝危险的黑白物种。
[ju:'ni:k]
The fact is, Hon Lik is not the first person to invent the e-cigarette. Way back in 1963, Herbert Gilbert made the world's first device that could be used to inhale tobacco-flavored air. In Gilbert's original version, there was no form of combustion and it was free of nicotine. He later designed a prototype that used a battery to create heat. He also used different flavors of water to create steam. He presented his prototypes to different chemical, pharmaceutical, and tobacco companies, but they simply turned down his prototypes.

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

"Investing in improving innovation quality is essential for closing the innovation divide," said Soumitra Dutta, dean of Cornell College of Business and co-editor of the report.
007系列电影荣誉主题曲之二:凯蒂·朗--《屈服》

CDC

从单个大宗商品来看,预计咖啡价格将大幅下跌,目前为1磅1.62美元左右,投资者对阿拉比卡咖啡前景尤为悲观。
中国香港——也许香港的标志性景观是一艘驶入画面的仿古船,其背景正是这座城市举世闻名的天际线,但《孤独星球》选中此地却是因为距维多利亚港数英里之外的自然遗产。

Since the establishment of Avic 1 and Avic 2 in 1999, which really marked the beginning of China’s push into the commercial aerospace market, there has been no doubt about China’s intent and the direction it wants its industry to take. But the pace at which it would achieve this ambition was less uncertain. Almost 20 years on, things have become much more clear, and there is now little doubt that China is well on its way to succeeding where several other countries have failed in becoming a full-fledged player in the large commercial aircraft manufacturing sector, with the potential to disrupt the long-standing duopoly of Airbus and Boeing.
Both claim to represent the people against foreigners and traitors.
因特尔:新员工红地毯
In my life, I have dreamt of seeing the great herds of wild animals, jungles and rainforests full of birds and butterfilies, but now I wonder if they will even exist for my children to see. 我一生的梦想就是能看到成群的野生动物,茂盛的丛林和大片的雨林中到处是鸟类和蝴蝶在飞舞。但是现在我想知道我们这些小孩是否还能再看到它们?

这种增长为中国电影业未来的发展奠定了坚实的基础。
201012/122342.shtml
ESCP Europe and MIT Sloan School of Management in the US also performed well. Both schools climbed five places into third and fifth place respectively.
“We have not really assumed China will get better in the rest of the year,” said James Quincey, Coca-Cola’s chief operating officer. He said juice sales fell double digits in the second quarter in the country and Coca-Cola drinks dropped single digits.

"Investing in improving innovation quality is essential for closing the innovation divide," said Soumitra Dutta, dean of Cornell College of Business and co-editor of the report.
土耳其外交部愤怒地驳斥了欧盟的批评。它说:“欧盟应该意识到,这种声明助长了极端主义,比如仇外和反土耳其情绪,因为它对避免过分言论和行动以免局势进一步恶化的呼吁,针对的只是土耳其,而不是所有违反外交公约和国际法、从而导致了这种局面的国家。”
Good health, good luck and much happiness throughout the year.
Aaron Hernandez
'Gangnam Style' beat 'Call Me Maybe' as the most trending pop song and 'Skyfall' topped 'Prometheus' as the most enquired about film.

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本田已在美国召回了1000多万辆汽车,修复其安全气囊一项潜在的致命缺陷。这种气囊由日本供应商高田公司制造,其充气装置在发生车祸时会突然爆裂,溅出金属碎片伤及乘客。本田已确认有三起死亡和48起受伤事件与这一问题有关。
[d?ɑ:]
Frances McDormand giving an outstanding central performance as a grieving mother in this darkly comic story.
Kathryn Bigelow and screenwriter Mark Boal have been working for a while on a drama about the 1967 police raid in Detroit, which led to one of the largest citizen uprisings in US history. Kaitlyn Dever, John Krasinski, Will Poulter, John Boyega and Jack Reynor star.

这个节目围绕宾夕法尼亚州匹兹堡(Pittsburgh)的Abby Lee舞蹈学校里面的小孩子展开。
The price of gold has risen 15 per cent since the beginning of 2017 to trade at $1,334.78 a troy ounce.
According to the financial data provider Wind Information Co Ltd, listed companies in China's A-share market earned 2.47 trillion yuan in profits last year. Of those listed companies, 2000 plan to pay out 700 billion yuan to their shareholders.
adj. 聪明的,时髦的,漂亮的,敏捷的,轻快的,整洁的

中国富人正在寻找属于自己的岛
中国共产党第十九届中央纪律检查委员会第二次全体会议上通过的一项声明称,今年,中国将进一步加强打击腐败的国际合作。
尽管小小年纪她的事业就取得了如此惊人的成就,但如果给自己的成就打分,且10分满分的话,玛蒂只给自己打9分。
根据弗雷斯特研究公司(Forrester Research)的预测,今年美国网络商店的销售额将达到2,940亿美元,约为全国零售总额的9%。据弗雷斯特预计,到2018年,电子商务将占到全美零售总额的11%,约4,140亿美元,其中通过平板电脑和智能手机进行的交易约占线上销售额的20%。
The Warriors and Timberwolves will arrive in Shenzhen on Oct 5 and will play at the Shenzhen Universiade Center.
devastating

Rounding out our top five is Sandra Bullock, one of only two women on our list (the other is Jennifer Lawrence in 10th place). Bullock had two big hits this year in two very different genres: Gravity was a tense thriller that will likely earn her another Oscar nomination, while The Heat was a cop comedy that kicked butt at the box office, bringing in $230 million globally.
就算利润率更低(比如40%),并且替代率为1/3(即全价iPhone的客户流失三分之一),低价iPhone也能提高苹果的营收和毛利润(见上表)。
As for his own education: He's weighing whether to enroll in university in England or maybe the U.S. to be closer to Silicon Valley. Or perhaps he'll skip college entirely and just focus on his work. 'I absolutely want to start another company,' he says. 'Serial entrepreneurs get addicted to creation. I want to be passionate. I feel really bad when I'm not doing something new.'

这一数字是曼谷市人口(1000万)的两倍多。
"Micro blogs and other new media give everyone a speaking platform. If you cannot face the criticism and cooperate with the public, you cannot work well." ZHAO BAIGE, NPC deputy and executive vice-president of the Red Cross Society of China
The report shows that compared with that in 2015, the percentage of graduates to start up business are significantly decreased from 6.3% to 3.1% in 2016.
However, the economists polled expect slightly higher growth rates and substantially higher inflation over 2016.
9. HitTail