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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

临安一水泥公司污染至村民用水受影响

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 长租公寓来了你还买房吗?专家:配套制度要跟上 the quarantine period, and its counterpart organizations do so abroad, all in concert with the World Health Organization.

羽毛球、篮球、击剑、柔道、乒乓球、跆拳道、网球、举重、摔跤、室内排球、拳击、曲棍球#(&xYyCk,DE@+,qFq。
move动+ment表名词,“行为或结果”→运动

"If all these train tickets were lined up, they would circle the earth 7 times," said Zhu Jiansheng, deputy director of the Institute of Computing Technologies with the Chinese Academy of Railway Sciences, where the ticketing system was developed.

游泳、花样游泳、跳水、皮划艇、激流回旋、静水、赛艇、帆船、水球
For the first time, China is home to the world’s three biggest public companies and five of the top 10. State-controlled Chinese bank ICBC holds onto its No.1 spot for a second consecutive year, while China Construction Bank takes second place and Agricultural Bank of China moves up five spots to third. They’re joined in the top 10 by the other member of the “Big Four” Chinese banks, Bank of China, at No.9.
Despite it being not that different from the typical bottle opener, the BOx does have a nice design made with stainless steel and solid wood.
While at least four engines tend to repeat from one year’s 10 best list to the next, only two of last year’s powerplants remain recognized for 2014, the Honda Accord’s peppy and fuel-efficient 3.5-liter V6 and the powerful supercharged 3.0-liter V6 featured in the Audi S5.
Even if the tapering is smooth, the Fed could spend much of the year grappling with the prospect of raising its interest-rate target as early as 2015.
GDP growth of around 6.5 percent, or higher if possible in practice.
今年由美国电影学会的电影评审总监是Tom Pollock,担任电视剧评审总监的是Richard Frank。评审团的其他成员还包括Judd Apatow, Halle Berry, Jamie Lee Curtis, Leonard Maltin,来自知名大学的著作家,学者,公认的电影艺术家,还有像媒体NPR,Rolling Stone, TV Guide, 华盛顿邮报对于电视电影的评论家们。
n. 块,大量,众多

"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

The capital plans to move most of its municipal departments to the suburban district of Tongzhou in 2017, the Beijing Municipal Committee announced on Wednesday.
Fans of Twilight will finally get to see how the wedding, honeymoon, and birth scenes play out with the release of Breaking Dawn Part 1. But before you catch R

教育行业基本上还未受到在线服务交付的影响——但可能会在2018年经历戏剧性的变化。
读:炸-震动
James Bond Themes 9. "The Man with the Golden Gun" by Lulu
The most popular variation of this line is “Don’t fantasize about big sister: I am only legend.”

Some scientists believe people with excellent recall and the ability to remember everything use a special mental filing system to keeping things organized in their memories. Mental tricks are also used by magicians to wow audiences with seemingly impossible feats of memory. But do you need to know special tricks or have an eidetic memory to remember everything? If you're worried you've forgotten more in life than you ever knew, don't worry. Science has you covered! Check out these 10 scientific secrets to a perfect memory.
However, the state is also wary of the fast growth in online finance, which is largely unregulated and the risks of systemic crises may be high. Since 2007, 370 P2P lending platforms have failed in China, of which 270 failed in the past year, according to research by Morgan Stanley and Wangdaizhijia, a Chinese research group.
Hilcorp Energy
它还体现在詹巴蒂斯塔·瓦利(Giambattista Valli)最近的秋冬时装秀上,那场时装秀中充满泡泡袖印花长款衬衫和配套裤子,以及低腰直筒女学生连衣裙;还体现在麦丝玛拉(MaxMara)向乔治·巴里斯(George Barris)1962年为玛丽莲·梦露(Marilyn Monroe)拍摄的照片致敬的系列。
The captain must steer the ship. If leadership doesn’t know where a project or company is headed, how can the company know? This isn’t just about steps or deliverables, either, but a clear vision of the department or company’s future that he or she can communicate to the employees。

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

Google
de加强语义,sign标记,er表示人-做标记的人-设计者

CDC

Stallone's iconic underdog has spent decades inspiring athletes and nonathletes alike to fight for their goals. As a poor local boxer, Rocky gets his break when he enters a fight with World Heavyweight Champion Apollo Creed. Due to his rigorous training and Creed's relative apathy, Rocky becomes the first challenger to ever push Creed through all 15 rounds.
哈佛大学著名教授格雷厄姆?阿利森(Graham Allison)也警告说,东亚已走向“修昔底德陷阱”(Thucydides’s trap),他并补充道:“当一个迅速崛起的大国与一个老牌霸权国竞争时,麻烦接踵而来。”2013年初,时任卢森堡首相的让-克洛德?容克(Jean-Claude Juncker)警告称,2013年看起来像1913年一样危险。2013年底,《经济学人》杂志(The Economist)也警告说,“一个世纪已过去,当今世界却与那个导致第一次世界大战爆发的时代有不少相似之处,令人不安。”

本周一,研究小组表示,根据遗骨可以看出,理查三世患有严重的脊柱侧弯,或者说脊柱弯曲。这会让他十分痛苦,还会导致右肩比左肩高,但莎士比亚的《理查三世》中描述的枯萎的手臂却无从证实。
Plenty of dark clouds loom over the U.S. job market -- particularly the potential double-punch of tax increases and spending cuts known as the fiscal cliff.[qh]
Rank: 2
Common areas include two living rooms, both with walls of glass opening to a patio and an in-ground pool. Ceilings rise as high as 28 feet; doors throughout are Spanish cedar. Among the stainless-steel kitchen appliances are a Fisher & Paykel range and two Sub-Zero refrigerators, as well as steel cabinets and sinks. A breakfast bar separates the kitchen from the dining area, which also opens to the patio and pool.

根据质检总局提供的数据显示,相比于通过网购平台进口的商品,通过其他渠道进口消费品的质量要高一些,不合格率仅为29%。
La La Land producer Jordan Horowitz returned to the microphone after being told about the mix up and said 'Moonlight won Best Picture' and insisting that 'this is not a joke'.
几家与韩国有关系的机构已经感受到了北京方面对萨德计划的怒火。上个月,由于乐天(Lotte)出让土地用于部署萨德平台,中国官方新闻机构新华社(Xinhua)向乐天发出了强硬警告。乐天是韩国最大的企业之一。
人的身体是十分脆弱的,有些娇弱的器官一旦破坏就永远难以复原。幸运的是,世界各地的研究人员都在研究能替代我们身体部位的生化机械器官。

Chinese actor Wu Xiubo has been appointed Tourism Australia's Ambassador for the 2017 China-Australia Year of Tourism.
TextPride已经改名为Swyft Media,并推出了一个能将新品牌表情符号和贴纸推送到短信应用中的新平台。各大品牌需要为此付费,一如传统的广告推广活动。
Gross shifts, makes no sense: Just four months ago he warned the Fed is blowing a Credit Supernova, a new monetary bubble that would implode Bernanke's arrogant risky experiment putting America's future at great risk by bankrolling a Wall Street Ponzi Scheme and blowing a huge financial bubble.
还有呢,就是道德。“如果你通过使用公司的设备来设法离开这里就实在对你的雇主太不公平了。”福斯说。
将第10题到14题的分数相加,计算自己在“社交抑制”维度的得分。

Whether China opens the stock floodgates or not will be a major price-driver in cotton and sugar — and potentially also in corn, soyabean or vegetable oil — markets in 2017, the bank said in its report.
每个月,梦工厂(DreamWorks)的员工都能收到价值25美元的消费券,可在位于格伦代尔和雷德伍德城园区的“梦工厂打印中心”消费。由于只收取原材料费用,该工作室能以低价向员工提供各类服务,例如在贺卡上打印照片、制作个性化日历等。
Remedy: The tricky aspect of this regret is that it’s typically rooted in hindsight. Only after you’ve left the job and have moved on to something better, do you start beating yourself up for not making the leap sooner, even if it hadn’t been practical or possible. What you can do is to identify the factors that kept you in your former position as red flags to be aware of in the future and work to line up supports that will allow you to more quickly capitalize on other opportunities as they may present themselves. This could include reviewing and updating your resume with new accomplishments on a monthly or quarterly basis, keeping your LinkedIn account current, building up a contingency fund to allow you to feel less tethered to your current pay check and staying in the loop on industry news and gossip to be aware of where your skills and experience could be of value.
"I have school tomorrow, so I can't stay up late," she told the paper.
n. 插曲,一段情节,片段,轶事

近日中国警方对南部一家不法食品商家进行突袭,曝光成吨的腐臭鸡爪。这些有几十年历史的“美味”经过“特殊加工”后,会卖给毫不知情的消费者。
Financial success and dazzling new technology alone might have been enough to earn Apple’s steely chief executive the FT’s vote as the 2014 Person of the Year, but Mr Cook’s brave exposition of his values also sets him apart.
Cross-cultural Instrumental performance (Yanni, USA, and Chang Jing)
在9月初发布的另一份报告中,世界气象组织(World Meteorological Organization)称,2013年大气中的二氧化碳水平,比工业革命之前的普遍水平高出42%。其他重要的温室气体含量也有所增加,与前工业化时代水平相比,甲烷增加了153%,一氧化二氮增加了21%。

政府已经意识到了房地产泡沫的危险性——可能造成国民经济的通货膨胀,甚至可能因为泡沫破灭,最终导致正在复苏的经济脱离正轨。政府已经出台了相关的政策措施,给火爆的房地产市场降降温。在2010年依靠政府出台的政策来调控房价,你认为这有多靠谱?
No.2: Another Reason for Staying in Bed
国家统计局日前在其网站发布了上述数据,称这是科技研发经费增速连续4年下滑后的首次回升。
答:英雄是一个不想成为英雄的人。英雄是那种明明完全可以选择,但却选择在那个时刻承担起责任的人。那就是英雄所要做的事。举个例子,在911实践中,飞机上的一些乘客曾经和恐怖分子搏斗。在福岛辐射泄露实践中,有些人前往当地试图修理核电站,并且因此而死。但他们必须这么做。他们是英雄。他们想要的并不是“当英雄”,而是承担责任,做正确的事。
皮卡大战:如果把得奖的问题抛在一边,福特的全铝皮卡生产起来很不容易,卖得也比较慢,这就为快速崛起的道奇公羊(Dodge Ram)1500提供了机会。同时,日产也试图忘掉该公司第一款全尺寸皮卡,也就是采用双拖斗造型的第二代Titan皮卡的失利。汽车业老将约翰o克拉福西克向《汽车新闻》透露了这个行业的最大秘密:在5万美元以上的市场区间,平价品牌的皮卡和SUV的销量要超过德系豪华品牌。
Does he have the ability to communicate his plans for what comes next—whatever they might be—to a fan base that's rightfully demanding answers after another ugly season on and off the court?

在周二发布的一份研究报告中,行业组织国际金融协会(Institute of International Finance)经济学家罗宾?克普克(Robin Koepke)表示,投资者、新兴市场政策制定者以及美联储自身都忽视了美国利率在引发新兴国家汇率、银行及债务危机方面的作用。
中国外汇储备在今年前11个月中的9个月下降,目前约为3.43万亿美元。投资者抛售人民币资产以保护自己免受贬值影响,而央行出售外汇储备中的美元以遏止人民币弱势。中国利率不断下降,而美联储(Federal Reserve)预计很快将开始加息,也助燃了资本外流。中国外汇储备曾在10月轻微反弹,似乎表明外流已趋于停止。
在证监会分类的18个行业中,金融业高管以2736万元的年薪排名第一,地产业高管以1118万元的年薪位居次席。

10月份,南非减持美国政府债券到103亿美元。
"绝望主妇"伊娃与老公的性感广告宣传照
[in'spekn]
Airbnb的紧要关头
愿你的新年光彩夺目,愿你的新年灿烂辉煌!佳节快乐!