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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

名家具展“整装家居”渐成潮流 新材种开发打造竞争优势

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 10月 13万套租赁房源入市 the quarantine period, and its counterpart organizations do so abroad, all in concert with the World Health Organization.

在日本博览会上,我们非常荣幸地采访到了虚渊玄,还有Nitro+社长Takaki Kosaka。让我们开始吧。
Two arrests have been made in connection to the shooting death of 14-year-old Lecent Ross, police said Thursday.

Besides exploring the overall ranking, prospective international students can narrow their search by browsing regional and country rankings. These rankings were determined solely by how schools performed in the overall list.

8. It’s never too late to start.
Viewers of online live broadcasting can send virtual gifts, which they purchase, to broadcasters. Gifts range from 0.1 yuan to more than 1,000 yuan. A percentage of the money goes to the platform.
“BlackBerry has not engaged in discussions with Samsung with respect to any possible offer to purchase BlackBerry,” the company said in a statement issued Wednesday afternoon. “BlackBerry’s policy is not to comment on rumors or speculation, and accordingly it does not intend to comment further.”
5. "Dexter" (3.1 million)
越南昆岛——越南昆岛曾是臭名昭著的昆岛监狱所在地,由16座独立的小岛组成;现在,它的美景及海鲜正变得越来越有名气。
中国国家统计局数据显示,10月份,食品价格的再次放缓拉低了中国的通胀率。
The bigger Tesla gets, the more complex its operations become. Since it sells directly to customers and eschews franchised dealers, it will have to develop a network of service centers to handle repairs on the cars it sells. Its unusually generous warranty, which obligates it to buy back used cars for 50% of their original base price after three years, could create a second channel of used Teslas. “Tesla will be eating a lot of three-year-old cars that aren’t as sexy or rare as they were a year ago,” wrote one Seeking Alpha blogger. ‘To me, it sounds like a potential mess.”
目前正在调查最佳影片奖是如何被错误地念成《爱乐之城》而非真正得主《月光男孩》的。

"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

年度最佳歌曲:米兰达·兰伯特&布雷克·谢尔顿《Over You》
谎言2:好的,我会尽快开工的!说谎原因:如果我告诉你在做你要求的这件事之前,我还有10件事要做的话,你肯定会抓狂的。

Top male vocalist: Jason Aldean
这是自从2011年以来谷歌首次荣登榜首。
[nju:'trin]
入围名单以聚焦科技业的图书为主,Basic Books和Oneworld Publications出版的《机器人的崛起:大规模失业的威胁与科技》最终战胜了强大的对手。

It was visible, for example, on many of Frida Giannini’s Gucci runways, including the tablecloth shades and A-line shapes of leathers for autumn-winter 2014; the pastel tunics and ruffled hostess dresses of spring-summer 2013; the bright Beatle trouser suits and caftans of spring-summer 2009.
A historically jittery commodity, crude oil has seen calm prices for three years, and one big factor has been helping smooth the wrinkles: U.S. shale oil.
2.Batman vs Superman: Dawn of Justice
3. The government bothlocal and national will invest in more technology-driven sectors, includingadvanced agriculture, transportation, medicine and other sectors. Thisinitiative will be aimed squarely at improving China’s productivity andmanufacturing competitiveness. There will be a national effort aimed atachieving quality, first-time yield and ensuring “productivity driven” globalcompetitiveness.
纽约人向专栏提出的问题,不仅取决于他们的个人情况,还取决于当今的重大问题,比如住房成本上升、士绅化、豆腐渣工程。最终,2014年成为了一个一切都在增长的年份,增长的包括房价、租金,以及最重要的——楼盘数量。根据纽约房地产委员会(Real Estate Board of New York)的数据,10月批准建设的单元达到了16700套。

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 tension between Paramore's high-intensity hooks and withering lyrics explodes into fluorescent colors on After Laughter.
6. You don’t just pass in front of the TV if i’m watching football, you better crawl on the floor.

CDC

“不能再采取某些国家先行动,其他国家随后行动的策略,因为时间不多了,”奥斯陆国际气候与环境研究中心(Center for International Climate and Environmental Research)的科学家格伦·P·彼得斯(Glen P. Peters)说。他也参与了这些新数据的编制。“现在需要大家齐心协力。”
['t?ksik]

007系列电影主题曲第七名:卡莉·西蒙--《没人做得更好》
12. Is there something I am clinging to? We don’t always realize when we’re clinging to something harmful when it feels safe and familiar, whether it is an unfulfilling job, an unhealthy relationship, or a stagnant way of life. Recognize if you are clinging to something that isn’t serving you and work on taking small steps towards change and release.
9)做得不错:毫无疑问,这有点陈词滥调的味道。有时,仅说一句“谢谢”还不够。人们想知道他们的工作完成得是否出色,也想知道为什么他们工作干的出色。毕竟,他们为项目流了太多的汗水,倾注了太多的心血。他们需要知道自己的工作很特别且是有意义的。
Attractions: Paradise within reach.

普斯·格洛(Pussy Galore)在本书中回归,这也是首次有邦女郎在邦德身边昙花一现后,拥有了自己的故事线。
['t?l?ntid]
The ground-breaking discoveries in physics, have ignited a firestorm of research, and it’s only a matter of time before their research leads to advances as unimaginable to us now as lasers and computer chips were a hundred years ago, Laura H. Greene, president-elect of the American Physical Society told The New York Times.
由于最新一部007系列小说给詹姆斯·邦德(James Bond)进行了政治正确的大改造,能言善道、烟不离口、大男子主义的邦德形象可能将成为过去式。

报告还显示,2012年以来,企业养老保险累计结余虽不断扩大,但可支付月数由2012年的19.7个月下降至2015年的17.7个月。
根据中国商业杂志《新财富》发布的2018年中国富人榜,位列榜单前十大亨的财富总和达1.72万亿元,首次突破千亿元大关,在榜单500位富人财富总和中所占比重达18%。
Mr Li said the economy’s strength came as a result of the government shunning strong stimulus policies and its push for supply-side reforms.
Lana Del Rey, 'Lust for Life'
The inclusion of three turbodiesel engines this year could be considered controversial, especially as diesels remain far less popular in the U.S. than in Europe, where they tend to dominate the discussion. This is the first year in which more than two diesel-powered mills made the top 10 list and ironically two of them come from domestic automakers, including the only current full-size domestic half-ton pickup to offer one, the Ram 1500.

After rising every year since 2008 global gold supply plateaued last year, according to the World Gold Council. In China, the world’s biggest producer, it fell by a record 9 per cent, the second time output has fallen in the country since 1980.
In 2012, Google introduced Google Glass, a computer you can wear on your face. Someone wearing the glasses can be walking down the street or doing any everyday task while simultaneously seeing an overlay of calendar appointments, messages, and subway alerts. They can make video calls and even upload live videos to the Internet while on the move, without ever needing to use their hands. Google Glass might be cool, it might be new, it might be revolutionary, but it's definitely not the first pair of wearable computer glasses.
reservation
一个解释是,在金融业高薪领域工作的男性比例远远超过女性比例。三分之一的男性在私募、风险资本、投资银行或者并购以及对冲基金领域工作,而女性只有19%。
affected

Celebritites always seem to have a better life than the rest of us;nicer house,cooler cars and even cuter children.Just look at these pictures of Shiloh Jolie-
Mr Draghi hit back the day after the December vote, saying that there was no “limit” to what eurozone policymakers could do to return inflation to its target.
n. 火
The number of people living in poverty in rural areas was reduced by 12.4 million.

Drama Series: “Game of Thrones” (HBO)
1.You Aren't Learning Anything New
《出生于缅甸皇室的她成为军阀和大毒枭》(The Female Warlord Who Had C.I.A. Connections and Opium Routes)
[is't?bli?t]
今年领跑美国股市的标普500公司的行业组合有些奇特,出现了一些令人意想不到的黑马。就算基金经理预见到了医疗保健行业今年将上涨27%,难道他们也能猜到公用事业行业将位列第二,上涨23%?不大可能。
adj. 推测的,推理的,思索的,投机的

An Australian woman whose cats ate each other after she abandoned them in her home has been convicted of animal cruelty.
“…brought his dog.”
Derrick Rose

“有1400人出境去参加圣战,加入叙利亚和伊拉克境内的恐怖主义组织。” Valls告诉BFMTV。
大师级别的老式、线性的动作电影拍摄,充满污秽、朋克、反乌托邦的澳大利亚式幽默。也是最近除玛格丽特·阿斯特伍德(Margaret Atwood)的小说之外,最好的生态-女权-社会主义作品。
单词addition 联想记忆:
[k?m'pein]
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.