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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

佛山发布住房公积金2018年年度报告 租房提取公积金明显增加

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 廊坊家具产业协会正式成立 推动产业转型升级 the quarantine period, and its counterpart organizations do so abroad, all in concert with the World Health Organization.

The result doesn't look much like a nose—it's a bottle filled with liquid nutrient that cultivates bacteria. But give the “nose” a blood sample and let it sniff for a few days, and the bottle's dots will change color to indicate what bacteria, if any, it identifies.
《大唐荣耀》于1月29日首播,在国内人气影评网站豆瓣上获得7分的评分(满分10分)。

calculation

As for China, lack or stopped development represents the biggest risk for this country. So it is essential that we maintain steady medium-high growth of our economy and that in itself is China’s contribution to global stability.
尽管法国和西班牙的商学院在“无工作经验要求”项目排行榜上位居前列,但英国商学院才是该榜单的真正“大户”,50所上榜商学院中有17所是英国的,领先于美国(8所)和法国(6所)。两所英国商学院——伦敦商学院和剑桥大学(University of Cambridge)贾奇商学院(Judge Business School)——在“有工作经验要求”项目排行榜上领跑。
日本北海道——尽管北海道最初因作为滑雪胜地而闻名于世,那里的雪花洁白而细腻;但也许很快它的全年美景就会更为外国游客所熟知,而新修建的自东京驶来的高速列车应该会起很大作用。
“我想不出还有哪家公司抵挡住了对冲基金丛林中两头最凶猛的猛兽的攻击,”加州公务员退休基金的辛普森说,“他很酷,很冷静,泰然自若,是‘保持冷静,继续前进(Keep calm and carry on)’这句话在企业界的模范体现。”
She’s No. 1: Chancellor Merkel has made the list eight times out of the past ten years — seven times as No. 1.
The committee *bestowed the award upon Yoshinori Ohsumi of the Tokyo Institute of Technology, for his research on *autophagy, which is a self-eating process seen in cells.
她还表示,由于西方一些国家的经济条件和反移民情绪,许多中国学生发现现在很难留在这些国家。
Kevin Durant

"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

在第一部掌上移动设备发明之前,自拍杆已经问世。自拍杆其实是由一个日本男人上田宏在20世纪80年代发明的。上田宏是美能达相机公司的摄影师,他发明这个自拍杆,是因为他和妻子在欧洲旅行时无法自拍合照。(当时,他叫一个男孩帮他们拍照,那个男孩却拿着相机跑了。)
Agents and investment institutions are now flooding the sector, causing additional changes to content and platforms in the world's second-largest economy, the report said. A number of Internet gurus, including Lei Jun, investor and founder of tech firm Xiaomi, Zhou Hongyi, CEO of Qihoo 360 Technology, and China's richest man Wang Jianlin have all directly supported live video-streaming websites, a strong indication of the growing interest from capital investment.

1.你一夜之间成了领英平台的香饽饽。
n. 批准,认可,同意,赞同
8、苹果发布会
在你醒着的时候,肝可以扩大将近一半。新的研究指出,在白天的时候,肝有能力扩大近50%,然后在夜间则会缩回到原始尺寸。肝是我们所知道到的唯一一个可以这样变化的器官。

Autonomous cars: Researchers are working on devices that will automatically park your car in a parking lot without you being in, or near, the car. It will also slip a note under the wipers of the car next to it with your phone number and insurance carrier in case of any scratches.
The import side of the equation fared worse in both renminbi- and dollar-terms.
n. 通道,频道,(消息)渠道,海峡,方法
In this May 6, 1998, file photo, Steve Jobs of Apple Computers unveils the the new iMac computer in Cupertino, Calif
Elsewhere, Australia recently introduced reforms that have increased transparency around fund pricing, which has driven rapid growth in ETFs.

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

His first coding effort resulted in an app that played audio snippets from speeches by his idol, Steve Jobs, whose unauthorized biography he'd recently devoured. 'It was rejected by Apple for every reason,' D'Aloisio says now, laughing. 'Copyrighted audio, poor functionality, too simple.' Another early design allowed users to touch a picture of wood, producing a knocking sound. A third transformed a smartphone screen into a treadmill for your fingers. That one earned about $120 in sales on its first day.
1977:“俄罗斯型流感”H1N1感染人类1977: "Russian flu" H1N1 Infects Humans

CDC

2. 美国页岩油。截至2014年底,美国页岩油日产量已经超过900万桶,比2007年增加了80%。这些页岩油是造成石油供给过剩的主要力量,而供过于求是2014年油价暴跌的诱因之一。总的来说,美国页岩油开采公司都搬起石头砸了自己的脚,但关键在于,西德州轻质低硫原油(WTI)价格跌破60美元对它们有何影响?页岩油钻机数量不断减少,相关开支也遭到削减,然而到目前为止,美国页岩油产量依然稳定。按照当前油价,这个行业能否维持产出水平,或者说美国页岩油产量会不会减少将对国际市场供应乃至油价产生重大影响。
水果模子

据新华社今年二月报道,互联网借贷公司"易租宝"之前通过一个巨大的庞氏骗局,从大约90万投资人那里骗取了超过500亿人民币的资金。
就在一个月前,近200个国家的政府在巴黎达成了一项新的气候协议,目标是阻止全球气温比工业化前水平上升2摄氏度以上,最好限制在1.5摄氏度以内。
“The worker threw a brick through the window with the words ‘I quit’ written on it.”
3、Negativity

在弗丽达·詹尼尼(Frida Giannini)为古驰(Gucci)设计的很多时装秀上都可以看到这种理念,包括2014年秋冬的台布渐变色和A字皮裙;2013年春夏的粉色长款衬衫和褶饰女主人连衣裙;2009年春夏的披头士风格鲜艳裤套装和宽松束腰长裙。
“一带一路”战略:“丝绸之路经济带”和“21世纪海上丝绸之路”
These documentaries use the standard tools — archival footage, talking-head interviews, carefully selected musical cues — to write history in the present tense. In the era of Black Lives Matter, the stories of the Black Panthers and the jazz singer and activist Nina Simone could hardly be more relevant. Mr. Nelson and Ms. Garbus tell them beautifully.
"Forty percent of Donald Trump's fortune is tied up in Trump Tower and eight buildings within one mile of it," according to the magazine. "What happens in that micromarket does more to affect the net worth of Donald Trump than anything else in the world. Lately, the neighborhood has been struggling (relatively speaking)."

巴黎法新社-1400法国人已经加入圣战组织或者打算这么做,总理ManuelValls周一说。
Entertainer of the year: Luke Bryan
“…was snervous she almost fainted.”
The US has overtaken India as the leading user of anti-dumping and other trade defence cases, with China and its steel sector the biggest target, according to research.
Extreme heat blanketed Alaska and much of the western United States last year. Records were set across large areas of every inhabited continent. And the ocean surface was unusually warm virtually everywhere except near Antarctica, the scientists said, providing the energy that fueled damaging Pacific storms.

威廉姆斯认为,这些影响也将波及到一些大宗商品净进口国,大宗商品价格上涨可能提高资源密集型制成品(如钢铁)的价格,提振韩国等国的出口产品价值。
Yes, it happens. Print all application materials from home, the library, a print shop – anywhere besides your current company's office。
在大型科技公司内部,女性雇员将希望看到加薪和升职方面发生变化的迹象——但是,随着男性权利在硅谷某些角落开始酝酿反击,她们也会保持警惕。
课程安排:周五周六交替上课,入学伊始学员需参加一个为期一周的会议,还有一个为期一周的国际学习研讨会
Nine out of the top 10 have all worked with Victoria's Secret in some capacity, with curve model Ashley being the only exception.

Song “Super Shero”(S.H.E.)
在接下来几年里,大型住宅楼盘必须遵守第87号本地法(Local Law 87)——该法要求楼盘审核能源使用量,并保持系统以最高效率运行。住宅楼是纽约市最大的温室气体排放源,其排放量占总量的37%。“能源是一大热门话题。楼盘怎样提高能源效率?”管理着超过500处房产的FirstService Residential New York的总裁丹·沃泽尔(Dan Wurtzel)说,“如果运营预算的三分之一来自能源耗费,而现在你可以降低这块成本,那么上涨维护费的压力就减轻了。”
Mila Kunis just keeps on raking in those sexy titles.
节目3 歌曲《十二生肖》,王力宏

1995年,荷兰维和部队未能阻止波黑塞族军队在位于波黑东部的斯雷布雷尼察杀害8000名穆斯林男子和男孩。
Set in 1950's London, Reynolds Woodcock is a renowned dressmaker whose fastidious life is disrupted by a young, strong-willed woman, Alma, who becomes his muse and lover.
Consoles: Xbox One, Xbox 360, PS4, PS4, PC
9.忠诚待人
An early iteration of Summly, called Trimit, was featured in Apple's app store in July 2011 on a list of new and noteworthy offerings. There it was noticed by the influential Silicon Valley blog TechCrunch and quickly came to the attention of an investment group led by Li Ka-shing. When D'Aloisio was approached over email by Li's people at Horizons Ventures, he was only 15-and so far mostly managed to conceal that fact. He'd never met with anyone in the tech world face to face, and the information he'd listed when he registered Trimit spoke only vaguely of a London technology company. It failed to mention that the company's management and technology teams-in fact, its entire workforce-consisted of a single kid in a suburban bedroom who wasn't yet old enough to drive.
jar

在波尔多足球场外,一个欢闹的视频中摇摆的人群对着一名笑着的年轻女子大唱“Can’t Take My Eyes Off You and Hey Baby”。
The report ranks brands based on financial performance, its influence on customers, and its power to command a premium price or drive company sales.
要不是朝鲜再次进行核试验,朝鲜半岛眼下的大新闻可能就是特朗普选在这个节骨眼上宣布计划退出韩美贸易协定了。

World's Most International Universities Ranking 2016 by The Times Higher Education included 200 universities from 28 countries. It employed indicators such as the proportion of international staff, the number of international students and research papers published with at least one co-author from another country of each institution.
9. 投资者如此不在乎,如此不接受事实,他们不会及时逃出。
[slu:]
据斯派克回忆,一天,拍摄工作结束后,另一位编剧詹妮弗·克里滕登在走廊叫住他,问:"你一定要这样吗?你确定这样不会毁了朱莉娅的前程吗?"考虑到当年朱莉娅凭此剧获得艾美奖,我们不妨说这场舞戏其实让这位女演员在演艺事业上更进了一步。为了怀旧,您不妨抽空再去回顾一下伊莱恩和她著名的"伊莱恩舞步"。
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