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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

北京4家楼盘标价不规范被罚1000元

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 重庆:市公安介入楼市整顿 九类行为或将移交司法机关 the quarantine period, and its counterpart organizations do so abroad, all in concert with the World Health Organization.

A 9.1-percent drop in the annual average density of fine particulate matter (PM2.5) was seen in 74 major cities.
指数:96.6

联系方式:Kathy Michalove, Seaboard Properties, (860) 535-8364; seaboardpropertiesre.com

每个人都喜欢饼干,但是买一个智能烤箱似乎可以多烤一点。这个烤箱承诺在短短10分钟内就烤好饼干,但不考虑时间的因素,使用老式的烤箱似乎更容易做更多饼干。
The predictions of no further action in an annual Financial Times poll of eurozone analysts came despite Mr Draghi’s attempts to convince markets that the ECB remained primed to act should inflation and growth across the single currency area continue to disappoint.
单词available 联想记忆:
The Global Obesity Epidemic
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。
We will make big moves to improve the environment for foreign investors.
本文作者为卡内基国际和平基金会(Carnegie Endowment)高级研究员、世界银行(World Bank)中国业务局前局长,译者/何黎
A child's eye view of life in a Florida motel community.

"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

在第二轮(重新)谈判不久前结束后,我们真正进入了贸易谈判的技术官僚阶段。
上榜的12所美国学院平均而言是性别比例最为平衡的,女性学员比例为48%。

另外两个在2014年表现上佳的行业可谓风马牛不相及:高科技(上涨16%)和必需消费品(上涨13.2%)。市场上最激进与最保守的两大投资领域前后脚撞线,留下困惑的旁观者们不知该如何解释这一现象。2014年,美国失业率大幅下降,GDP呈增长势头,为何领跑市场的却是医疗保健、必需消费品、公用事业等周期性最不明显的行业?令专家们懊恼的是,有些时候就是没有令人满意的答案。美国作家库尔特o冯内古特曾写道:
5.电子烟
单词coach 联想记忆:
adj. 犯罪的,刑事的,违法的

But, despite the incessant warnings from security researchers, many people are still turning to weak, easily guessable passwords to protect their devices.
西尔万·埃索(Sylvan Esso),《咖啡》(Coffee), Partisan
问:在过去的几次采访中,你都提到了你和角色之间的联系。那么在目前播放的Aldnoah Zero重,你觉得你和伊奈帆之间的联系是什么?
Pop superstar Gaga also took home the award for best actress in a limited television series or movie for her role as the villainous Countess in American Horror Story: Hotel. The Born This Way singer made an emotional speech as she was awarded a Golden Globe for her role in the HBO hit.
大学的发言人告诉记者:如果Siddeeq先生在之后的53年还是收不到这封信,他肯定会抱怨我们的效率。

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

《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)
The report shows that social media, and especially WeChat, has become more and more popular in the past year among people over the age of 40.

CDC

但由于受到英国脱欧的影响,英镑大幅贬值,英国首相的收入换算成美元后也在大幅缩水。
A cheery New Year hold lots of happiness for you!给你特别的祝福,愿新年带给你无边的幸福、如意。

Hope you enjoy the happiness of New Year and all the trimmings.祝你享尽新年佳节的快乐和新年的礼品。
Or maybe you've become bolder in arguing against decisions you disagree with, Foss says. "Any variation to what's expected of you or from you could raise an eyebrow," she adds。
Be Professional
自动驾驶汽车,自拍杆,无人驾驶飞机,触屏设备,电子香烟,喷射背包和许多其他看起来像现代的发明的东西,其实都是老发明。大部分的"发明者"把它们当做新发明,甚至去申请专利。但事实是,这些"发明"已经存在一段时间了。它们都有早期类似的原型,这些早期产品最终没有投入生产,或因为特定原因而限量生产。而有些"发明"得以大批量生产,却因为销售不佳而流产。

“中国的客户不仅在亚洲购买,也会在纽约和日内瓦购买。”
6.当我看球赛时,禁止从电视前面经过,你最好是从地板上爬过去以免影响我看球。
作为每年都会有超过100万人参加的国家级考试,研究生入学考试对于学生的学习生涯是非常重要的,而作弊事件也一而再再而三被曝光。
Bubloons are a hybrid between bubbles and balloons.

除了P2P贷款领域发展迅速以外,今年还涌现出一些网络银行和贷款机构——比如腾讯(Tencent)的微众银行(WeBank)、阿里巴巴(Alibaba)的网商银行(Mybank),以及蚂蚁金融(Ant Financial)的芝麻贷(Sesame Credit)。
对俄罗斯黑客行为的指控以及特朗普在经验、判断和性格上的明显缺陷表明,选举人团制度没能佐证汉密尔顿希望的那种保障作用。
With the Russian rouble depreciating against other major currencies, there has been an increase in visitors to this country in recent years.
Every employee wants a pat on the back once in a while, and the best bosses understand the importance of recognizing and appreciating employee contributions. This doesn’t have to mean bonuses or fancy corporate awards, but regular and meaningful expressions of appreciation。
2. Staying too long in a job that you want to leave

Best Car Brand: Mazda
2.《洛奇》
Even if Gibson turns out to be a rental and leaves as a free agent this summer, the Thunder will likely feel good about these trade terms.
Big-spending US firms are forcing their UK counterparts to increase salaries right the way from newly qualifieds to the top rainmakers — though that did not stop David Higgins, private equity star at Freshfields, from decamping to Kirkland & Ellis just before Christmas. Boutique specialists are luring clients away by offering faster, more focused services.
But top managers at companies in the fields of scientific research and technology services saw their pay decrease by 4.2%.

去年12月初,中国有关部门宣布将于今年1月1日起实施股市熔断机制,以限制股市再出现去年6月夏季大抛售时的波动。当股票、期权和期货下跌逾5%,将触发熔断机制,交易将暂停15分钟。今天是熔断机制启用的第一天,下午刚一开盘,于当地时间下午1:14分,A股市场就突破了第一道阈值,触发停盘15分钟。当交易恢复后,5分钟内大盘继续下跌了2%,二度触发熔断机制。
这会吓走一些人,这些人不了解你更好。
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。
社交网络平台,包括微博和手机应用微信,被证明是网红扩大交流的最好工具,使其可以创造出一种囊括广告、电子商务和粉丝的行业。

这些银行将钱返还给股东的能力有所下降。中央财经大学中国金融业研究中心主任郭田勇表示,缓慢的盈利增长和高额的不良贷款以及存款准备金给银行的资本金补充带来了压力。
vt. 超过,胜过,超出界限
SETTING: This house is in Kenwood, a neighborhood of 19th- and 20th-century Tudors, Mediterraneans, Victorians and colonial-style houses between Cedar Lake and Lake of the Isles, in the city’s Chain of Lakes. Roads are curving; sidewalks are lined with maple and ash trees. According to the listing agent, many of the neighborhood’s older houses have been restored, while houses built within the last 30 years have been torn down and replaced.
After China hawk Steve Bannon’s exit there was a temptation to proclaim the death of the Trump White House’s economic nationalism. But that ignored the presence of Donald Trump, who is instinctually a protectionist. He wants “tariffs” rather than deals when it comes to China, as we’ve learned in recent days. He also sees cracking down on China as key to keeping his “America First” promise to his base.
The Nets should really feel free to tank out if only to get assets for the players who aren't integral to culture change and won't be on the next very good Brooklyn team. That means Brook Lopez, basically. The market on him is weird, but presuming it exists, it should be explored.
[in'vig?reit]

面对竞争时,与A型人格的对手相比,B型人格的人可能不怎么关注输赢,而是尽情享受比赛。
创业者都是行动者和颠覆者。他们不能去分析每一个细节,否则他们将寸步难行。初创公司没有拖延的资本。创业是一个全天候、无休假的职业,创业者必须具备持久不变的前进动力。迈出每一步的时候进行简单的评估,然后继续前进。相信自己的直觉。
The show started with a circus theme, complete with acrobats, a sword-swallower and a man on stilts. Justin Bieber, Rihanna and Bruno Mars performed.

How the longer maternity leave policy is implemented is up to local governments to decide. Specific and legally-binding measures should be worked out at the national level to ensure the policy is carried out and properly enforced to ensure that women are not discriminated against by employers obsessed with minimizing their labor costs.
I may say "I'm terminating you because you didn't meet performance measures." I'm not going to say it's because you're a pain in the butt and piss people off every time you interact with them.
10.超敏感电子皮肤
201312/270513.shtml
《胡润百富榜》的编制者胡润(Rupert Hoogewerf,见文首图)表示:“姚振华代表了中国金融投资创造财富的新浪潮。”