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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

温州家具品牌“内冷外热”

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 房企普遍上调年度业绩目标 the quarantine period, and its counterpart organizations do so abroad, all in concert with the World Health Organization.

但如果美国能够避开由华盛顿造成的这一危机,明年劳动者找工作的前景实际上还相当不错。首先,超级飓风“桑迪”(Sandy)造成的破坏将需要修复,这样就会带来建筑业和零售业的工作机会。与此同时,因为财政前景的不确定性而暂停投资和招聘和企业可能最终打开钱包。这也意味着会有新的就业机会出现。[qh]
女王每次都是飞机一停就像子弹一样迅速下飞机。

In this emotional comedic drama, a selfish car dealer named Charlie Babbitt learns that he has a brother after his estranged father dies. He is upset to learn that said brother, Raymond, received his father's $3 million estate despite living with severe autism that has left him in a mental institution. Charlie learns that Raymond is a savant with outstanding capabilities for mental math and takes advantage of this skill by using Raymond to count cards in Vegas.

char茶,ity状态-请喝茶的状态-施舍-仁慈
It was not an auspicious start to the new year for bitcoin investors.
8) Let Me Think About That: Yeah, it sounds like a cop out. And it is…sometimes. Fact is, we don’t always have the authority or expertise to make decisions. This phrase buys you time and breathing space. Then, set a date and time for follow up so the other person knows you’re taking him serious.
这张专辑等于是一次直截了当的暗示,提醒着我们,不论什么时候,只要霉女王想要,她就能拿回自己在流行音乐界的领先地位。
这是光明的季节,也是黑暗的季节……
单词circulation 联想记忆:
mask
多年来,西方排放量的缓慢减少,被东方排放量的日益增加所抵消。2013年,这种趋势仍在继续。中国的排放量增加了4.2%,印度增加了5.1%。中印两国一直在以极快的速度修建火力发电厂。

"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

卡塔尔大学被选为最国际化的学校,这也标志着来自中东的大学第一次高居榜首。
Yu Xiuhua, born with cerebral palsy, lived a quiet village life. She is now a literary sensation whose vivid, erotic poems are “stained with blood.”

n. 蝴蝶,蝶状物,蝶泳
China's 2016 office box sales are expected to exceed the 2015 total of 44 billion yuan (6.8 billion U.S. dollars), the country's film watchdog said.
Beijing ranked No 3 on the list of top 10 most congested cites in China, following Jinan and Harbin, according to a report by China Academy of Transportation Sciences.
《阳光小美女》的夫妻档幕后团队将1977年鲍比.里格斯和比利.简.金之间的性别大战拍成了电影。55岁的里格斯是职业网球运动员,他向年轻的王牌选手简.金(当时世界排名第二)发起挑战赛,结果落败。

不过,最大城市的房价上涨已经放缓,比如北京录得的环比涨幅只有0.5%,大大低于9月份的4.9%。
该研究的公布正值美国政界反中国言论日益增加之际,此外,今年夏天3起针对从中国进口的钢铁产品的政治敏感反倾销案件即将作出裁决,可能导致美方对中国企业施加高达500%的惩罚性关税。
Former world number one Woods has not won a single tournament since 2013 and missed most of the last year recovering from surgery on his back. However, his name alone continued to bank him millions. He earned pound 31 million from endorsement deals with brands including Nike and Titleist, placing him 12th in the list of top earners.
此次涵盖95个项目(去年为90个)的排行榜中,来自7个国家的9所院校为首次进入榜单。排名第41位的法兰克福金融管理学院(Frankfurt School of Finance & Management)是今年排名最高的新入榜者。这家德国学院拥有性别比例最平衡的项目之一,女性占学员总数的49%。
今年的排行榜包括90个管理学硕士项目,创历来最高纪录,多于2015年的80个。

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

amnesty
Dershowitz said this guidance was too vague to provide students with any real understanding of the school's expectations. "When you punish a student seriously without articulating standards, I think it raises questions," he said.

CDC

随着我国对稳定经济的新驱动力的投资增加,2016年我国的科技研究与试验发展经费达1.57万亿元,增长10.6%,是2014年以来最快的年增速。
这位曾演唱过《Royals》(《皇室贵族》)的少年天才在20岁的时候就在联合制作人杰克·安东诺夫的帮助下更上一层楼,把对电子音乐的无限展望与人类的尺度结合在一起,亲手打造了自己的第二张专辑。

愿新年为你带来快乐,友爱和宁静。
The report shows double-eleven has become the biggest shopping event for the Chinese e-commerce industry, with Taobao, Tmall and JD.com leading the way.
当芬兰程序员Jerry Jalava 2008年遇到车祸,他面临双重悲剧。首先,他失去了他的手指,对于靠打字生存的人来说是个大问题。其次,他必须跟一个幽默感过剩的医疗小组打交道。了解了他的遭遇后,一位外科医生竟然提议Jalava应该出门去买个“USB手指驱动器”。
So ladies, we have been warned. What would your response be?

据Birinyi Associates的数据,今年迄今为止,各家公司已经宣布了376项股票回购计划,总额高达2,610亿美元。这个数字与2012年相比增长了近72%,但与回购创下纪录的2013年相比,略微有所回落。
['d?u:?lri]
中国政府鼓励向中小规模的借款人放贷,其中很多贷款者没有信用纪录。分析师预计,在金融上表现活跃但没有信贷渠道的中国消费者有5亿之多。
5. Repeats & highlights are as good as the main match, so am gonna watch them.

To SKN Company in Russia for exploding old Russian ammunition and creating diamonds. Now that`s recycling!
Here are our top picks for games that debuted at Gamescom 2014.
Henda Ayari created a storm when she denounced radical Islam. Now, inspired by the #MeToo campaign, she has accused an Oxford professor of rape.
She pointed to equal pay, saying it's not "just a woman's issue" but something that affects everyone. "If you have a wife, a mother, a sister, a daughter who is working and they are not being treated fairly, the whole family suffers," Clinton said.
Zuckerberg also helped launch a lobbying group that is working toward immigration and education reform in the U.S called FWD.us.

经过救援人员一夜的船体扶正工作,5日7时30分,在长江倾覆的"东方之星"船体已侧翻过来,露出水面的船体写着"东方之星"四个汉字。
《战地神探》(Foyle’s War),acorn.tv,2月2日播出。去年流媒体服务网络Acorn TV放完了《大侦探波洛》(Agatha Christie’s Poirot)的最后三集,如今又带来另一部传统英国推理剧,这部超级剧集在英国已经拍到第九季,在美国还是首次播出。迈克尔·基臣(Michael Kitchen)在剧中饰演克里斯托弗·弗伊(Christopher Foyle),一位可敬而又狡黠的侦探,这部剧多年来从一部“二战”后方警探剧演变成勒卡雷(le Carré)式的冷战惊悚剧。新的几集中有纽伦堡审判以及英国在巴勒斯坦所扮演的角色。
PBS' 'Vietnam War' series receives a special award.
7. “The Kindergarten Teacher” In his tough, weird knockout, the Israeli director Nadav Lapid spins the story of a teacher’s obsession with a child poet to create a savage portrait of fanaticism and its costs.
陶博宏表示,这可能过于悲观了。他说:“亚洲的情况往往比我们想象的更快变化。”

《三块广告牌》
Having reached the current stage of development, China can now advance only through reform and innovation. We have the largest quality workforce as well as the largest pool of scientists, engineers and professionals in the world, and their potential for innovation is truly tremendous.
So too would be concluding the EU’s own (re)negotiation of its existing trade agreement with Mexico. And there is a good chance Brussels could beat Donald Trump to the finish line on a deal with Mexico.
巴韦贾同意这一结论,他指出,韩国和另一个大宗商品净进口国印度,都是成品油的出口国。以美元计算,这些成品油的价值今年应会上升。

Ferreira added that while the entire Brazilian population has suffered during preparations for the World Cup, mostly because of big construction projects that have snarled traffic and extended already long commutes for the poor who live on the outskirts of cities, she feels like only the rich are reaping the benefits of the real World Cup experience.
poised
但国家统计局认为,CPI上涨的主要原因是去年同期对比基数相对偏低。
By the end of 2015, Shanghai's population of migrant residents had decreased to 9.8 million, comprising 40.6 percent of the city's roughly 24 million permanent residents, according to statistics released by the Shanghai Municipal Statistics Bureau on Monday.
Li Jianmin, from the local Public Security Bureau, told Xinhua news agency, quoted by the South China Morning Post: 'The entire processing facility had a fishy and foul smell. You just couldn't stand it after one or two minutes.'
Song “Chinese Zodiac” (Lee-Hom Wang)

2014 sees the World Cup returning to South America for the first time since 1978, when a Mario Kempes inspired Argentina saw off the Netherlands, keeping up the record that only South American teams have ever won the tournament when it's been held there. So will 2014 be any different ? Will any of the big European nations, including the holders Spain, be able to do what no other team has managed in the past ? Or does any other continent have the strength to see off the challenge from a strong South American group ?
The world got by in 2013 with fewer confidence-shaking moments than in prior years. But the vulnerabilities haven't disappeared. 'It's not a great story anywhere, though it's more hopeful than it has been,' said Jerry Webman, chief economist at OppenheimerFunds.
答:其实我并不怎么关心作品火不火的,就是专注于自己的作品而已。每次我关注的就是要怎样用最好地推进剧情而已。我关注的是行为和故事,不是受欢迎程度。

In being named CEO, Mary Barra broke through several historical barriers in moving from GM's third-most powerful executive position to its first. Her job was made both easier by the appointment of a non-executive chairman to handle the board of directors, and more difficult by the decision to give her old job to one of her rivals. As the first product engineer to head the company in two decades, she will be deluged with suggestions about everything from air conditioning vents in new pickups to the future of brands like Buick and Chevrolet.
7. Kristen Stewart
No.4: The 1st Useful Mechanical Pet
[?'veil?bl]
Yes. Mr Meade is the candidate of the ruling Institutional Revolutionary Party, or PRI. His main rival is the hard leftist Andrés Manuel López Obrador, a passionate orator who can work a crowd. Mr Meade has a lot to overcome: he will have to convince voters that they can trust him, after he put up petrol prices by 20 per cent overnight in January, triggering a surge in inflation. He will also have to reveal himself as his own man, not just a clone of an unpopular government that has failed spectacularly to rein in rampant corruption and crime. But backed by the formidable PRI get-out-the-vote machine, he could prove unstoppable. In Mexico’s one-round-only system, 30 per cent of the vote might be enough.