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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

北京住宅成交量同比暴增142% 一线城市领跑全国

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 一把塑料椅子250欧元 想进入中国市场还得接地气 the quarantine period, and its counterpart organizations do so abroad, all in concert with the World Health Organization.

To Anita Eerland and Rolf Zwaan [THE NETHERLANDS] and Tulio Guadalupe [PERU, RUSSIA, and THE NETHERLANDS] for their study “Leaning to the Left Makes the Eiffel Tower Seem Smaller."
In an explanation released alongside the latest data, the statistics bureau credited ongoing growth in producer prices in part to coal extraction and washing prices, up 15.4 per cent for the period and accelerating 11.3 percentage points from a month earlier.

这名43岁的女子被判处为期12个月的行为考察,并且不得再次拥有宠物。

This one's just like looking in the mirror, mainly because Derrick Rose was in high school just six years ago in 2006.
Tiemba项目在国际化体验方面得分很高,它的一半课程在北京的清华大学校园内完成,另一半在欧洲工商管理学院位于新加坡、法国和阿拉伯联合酋长国(UAE)的三个校区进行。
James Bond Themes 1. "Goldfinger" by Shirley Bassey
Sliced into eight pieces, the pizza works out to $250 per slice, meaning it costs roughly $50 per bite.
The Incredible Jessica James
报道称,这些公共脸书群组的名字包括,“哈佛前1%精英少年表情包群”、“UCLA超变态青少年表情包群”、“USC被宠坏的小少年表情包群”等。
智能酒瓶
科技界的女性:科技行业今年第二度作为权势女性榜上的一个分类。前25位最有权势的女性中,5位来自科技行业,包括Facebook的雪莉·桑德伯格(桑德伯格新书《Lean In》下载>>)(排名第6),IBM的罗曼提(排名第12)和惠普的梅格·惠特曼(排名第15)。上榜的科技界女性总共有16位,还包括谷歌的广告高级副总裁苏珊·沃西基(排名第30)和华为公司董事长孙亚芳(排名第77位)。

"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

时隔多年,贝尔蒙特如今已是一位白发苍苍的老人。没能现场观看1950年世界杯的决赛,他从不感到后悔。那次决赛过后没几天,他的母亲就去世了。“我当时决定放弃观看比赛的机会,事实证明这样做是正确的。”他对记者说。
Two arrests have been made in connection to the shooting death of 14-year-old Lecent Ross, police said Thursday.

China's consumer price index (CPI), a main gauge of inflation, rose by 1.6% in 2017, lower than the yearly control target of 3%, the National Bureau of Statistics (NBS) said on its website.
●"President Obama Confirms He Will Refuse To Leave Office If Trump Is Elected"
学习管理和领导力技巧只是EMBA的一方面。一位毕业生表示:“它实际上让我成了一名创业家。”自四、五年前读EMBA以来,近三分之一(31%)的学员创办了自己的公司,或者打算创办公司。英国《金融时报》的数据显示,这些企业中91%如今仍在运营。
The country has rolled out measures to promote new-energy vehicles, including tax exemptions, subsidies for car purchases and a requirement for government departments to buy more new-energy cars.

[?'fekn]
Steven Spielberg directs Meryl Streep and Tom Hanks in The Post, a thrilling drama about the unlikely partnership between The Washington Post's Katharine Graham (Streep), the first female publisher of a major American newspaper, and editor Ben Bradlee (Hanks), as they race to catch up with The New York Times to expose a massive cover-up of government secrets that spanned three decades and four U.S. Presidents. The two must overcome their differences as they risk their careers - and their very freedom - to help bring long-buried truths to light.
单词prosperity 联想记忆:
Jonathan Glazer’s Under the Skin is a film about a beautiful, scary alien that is itself beautiful and scary and alien: it’s an entirely extraordinary, outrageously sensual film that Glazer’s previous excellent work had really only hinted at, partially and indistinctly. His Sexy Beast (2000) was a visually accomplished, exciting and intelligent crime thriller that was way ahead of the woeful mockney-geezer mode of the time. Birth (2004) had Kubrickian ingenuity and chill, with some remarkable moments; it was a movie that deserves cult-classic status but has yet to achieve it. Then a decade went by, and it seemed that Glazer might be a stylist for whom a sustained cinema career would perhaps not be achievable (and heaven knows, it can happen to the most talented).
此外,维密的许多其他模特也被禁止入境,包括来自俄罗斯的朱莉亚·贝亚科娃、凯特·格里戈瑞瓦和伊丽娜·莱巴里科娃以及乌克兰的达莎·凯尔斯顿。

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

Format: Some 18 courses, including four electives, are spread out over every other weekend in Chicago, with three residential weeks in Chicago, one week in Hong Kong, and one week in London
根据报告显示,2016年第三季度增长的工作人员需求还包括拥有品牌推广技能的人,很可能要感谢“小型企业”需要为他们的公司在线网站创造一种有凝聚力的一致性的策略。

CDC

We will move forward with ecological conservation and improvement.
5.同性婚姻

[si'vi?]
combat
Personal per capita disposable income increased by 6.3 percent in real terms.
组建或加入一个学习小组

自2003年以来,上海软科教育信息咨询有限公司就根据第三方的数据,开始发布全球500强高校榜单。
There were more than 8m Chinese tourist arrivals in the country last year — up 36 per cent year-on-year, said Mr Wang. The numbers had continued to increase even after Seoul announced the deployment of Thaad, he added.
China’s commercial banks are the control centre of the financial system and supply almost 70% of the financing that feeds the real economy.
3. The root cause of eczema has finally been identified. Scientists have tracked down a series of proteins and molecular pathways that lead to this insufferable skin problem, revealing that the protein filaggrin isn't the sole culprit we thought it was.

有趣的是,一项调查发现,31.8%的受访者认为北京是中国最拥堵的城市,而8.8%的人则认为郑州是中国最拥堵的城市。
毕业3年后的平均薪资和薪资涨幅是主要的标准,各自占到排行榜权重的20%。在排名前25名的商学院当中,大多在这些标准中至少有一项得分较高。如果去掉平均薪资和薪资涨幅这两项标准,排名前十的商学院大多仍排名前十。只有南洋商学院(Nanyang Business School)和中欧国际工商学院(China Europe International Business School)例外,它们在博士和研究这一项上表现不佳。
infect+ion→传染;感化
She has modelled for numerous clothing companies including Glitzy Girl, Sally Miller and Purple Pixies and featured in magazines including Teen Vogue, Cosmopolitan, Elle and Seventeen.
Yet that's finally about to change. With hiring up and unemployment falling, businesses will have to go the extra mile for employees or risk losing sales to competitors because they lack enough staff to boost production.

年龄:44岁
这让11月份的贸易顺差达到446.1亿美元,比10月份减少约44.5亿美元,低于预期。
节目30 相声,郭德纲 于谦
Opinion: China’s Commercial Aerospace Dream Edges Closer To Reality
However, some lawmakers already are discussing a standoff again in late February over raising the federal borrowing limit. 'You can never count on policy makers to not shoot themselves in the foot,' Mr. Daco said.

人社部发言人李忠表示,2016年第一季度。我国的就业形势总体保持稳定。不过他补充说道,经济下滑和结构改革,使就业更困难。
Imports grew 3.1 per cent year-on-year in dollar terms to $168.6bn in December after growing a revised 4.7 per cent (previously 6.7 per cent) the previous month. That rate was roughly in line with a median forecast of 3 per cent growth.
Managers are expected to manage the people below them on the corporate hierarchy, but the best managers also have ways of managing their superiors and coworkers on behalf of their team. Many times this means effective communication, managing expectations, and requesting help in a timely manner。
The number of university graduates reached 7.65 million in 2016, hitting a new historic high, the Beijing News reported. Plus, the number of students graduating from secondary vocational schools hit 4.35 million, bringing the total figure to 12 million.

加强农村公共设施建设。
He did several makeup tests to get the look that would so dramatically change Mr. Carell. “We were literally creating a new human being,” Mr. Corso said.
Q=Dd[(U=ze~+vR_uAR%
佳士得把汉斯·梅姆灵(Hans Memling)于15世纪创作的佛兰芒风格圣母与圣子油画从拍卖会上撤掉,以350多万英镑私下出售,所以影响了这次的拍卖总额。该拍卖行的18世纪前绘画大师作品主管亨利·佩蒂弗(Henry Pettifer)说:“拍卖市场非常挑剔。新鲜作品的数量很少。”他指的是私人极少收藏有博物馆级别的作品。
n. 行为,举动,品行
BrandZ表示,这些品牌靠近国内市场,这帮助它们从全球品牌手中夺取市场份额,它们还在新地区赢得市场份额。

People promoting driverless cars, the most hyped industry segment of the moment, became world leaders in verbiage. Elon Musk claimed to be “laser-focused on achieving full self-driving capability on one integrated platform with an order of magnitude greater safety than the average manually driven car” (ie Tesla cars must stop crashing).
我们当中很多人都有八卦抱怨的习惯。但是如果做的太频繁的话,工作恐怕就不保了。所有的这些会带来一个同样的结果:变成了老板的眼中的麻烦。一般来讲,老板要确保自己的团队有正面的能量,团队中如果有人是消极的,会有损他的形象。消极的员工在高级管理层中被认为是“癌细胞”,这是因为“他们早晚会被割除”。如果你有怨念的话,一个好的办法就是私底下直接和老板对话。 千万不要一开始就拉拢人心寻求支持。
More than 100 countries are ranked according to 82 indicators of innovation, which is critical to driving growth in a competitive globalised world, said "The Global Innovation Index 2016". China's move up from 29th last year marks the first time a middle-income country has joined the top 25.

Xi'an Xianyang International Airport outshone all other airports in China, with a punctuality rate of 82.3%.
n. 克制,控制,管制,操作装置
国家统计局在发布最新数据的同时进行了解读,它将PPI连续上涨部分归因于煤炭开采和洗选业价格同比上涨15.4%,这一涨幅比上月扩大11.3个百分点。
"As a native of Shaanxi, I found Sun played the role well. She jumps and runs wildly, just like a typical young naughty Shaanxi girl," a netizen Xuelili said.
Her mother discovered the debits on Jan 30, China Central Television reported.