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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

拟定高度677米 中国第一高楼选址天府新区

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 房价至少再涨五年 一线城市仍面临地价上涨 the quarantine period, and its counterpart organizations do so abroad, all in concert with the World Health Organization.

2017已经是詹姆斯在联盟中的第十四个赛季,但他的场均助攻和篮板竟然还创下了职业新高。在这个赛季的前两个月里,他拿出了整个职业生涯最好的三分表现,但鉴于这已经被各方专家们讨论和剖析,并且被媒体广泛的报道了,我在这里就不加赘述了。
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.

史赛克公司(Stryker)的创始人就是“翻身床”的发明者,借助这个设备,卧床的病人无需挪动身体就能改变在病床上的位置。顺其自然地,这家医疗设备制造商也向自家员工及其家属出借医疗床,分毫不收。

《一个开车从来不回头看的沙特女子》(A Saudi Woman Who Got Behind the Wheel and Never Looked Back)
单词reflection 联想记忆:
唉。
华盛顿(市场观查者)—美国经济2014年迎来了自二战后最曲折的复苏而且年末能源方面又遇到了大的波折,但是2015年美国经济将披荆斩棘变得更好。
美国航天局还表示:“新记录比旧记录高出这么多,以前只有1998年出现过一次。”
报告称,2016年共有6.95亿网民使用手机上网,增长率已经连续第三年超过10%。在所有网民中,用智能手机上网的人占比达到了95.1%,而2015年时这一比例还只有90.1%。
n. 笔画,击打,一笔(画)连续的动作,中风,
乔斯·威登一直都很喜欢科幻小说,也是西部小说的忠实拥趸。尽管这两种小说类型风马牛不相及,但是从《天使杀手》这部书中,他找到了一种方式,可以把二者融合起来。"我当时想把新垦地的概念好好地演绎一下",他说,"人类文明是由那些被历史深深伤害了的人们推动前行的,而不是那些创造历史的伟人。"这一次,威登决定把新垦地从西部搬到了"宁静号"宇宙飞船上。

"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

10.Fears of Another Tsunami
n. 结,节

triangle
Michael Na表示,尽管韩国已经和中国签署了贸易协议,中国政府仍有足够多的其他方式惩罚韩国政府。
胡润表示,王健林今年已将集团旗下的地产公司从港交所退市,希望该公司能在上海或深圳交易所实现更高的估值。
We will step up the development of public facilities in rural areas.

对于美联储(Federal Reserve)预计本周宣布的加息已经产生了效应,还是会进一步加大负债企业和经济体所受的压力,投资者意见分歧。
When she consults managers, Kay says many of them suspect something is fishy when their employees stop talking to them as often, whether it's to give an update, ask for an opinion or just say hello. As Kay puts it: "You're not doing the things you normally would have to keep the relationship going."
单词commission 联想记忆:
The post came after anonymous Internet users alleged that some questions and answers on the National Postgraduate Entrance Examination, which was held on Saturday and Sunday, were released in advance.
得益于网络游戏产业的快速增长,网易公司创始人丁磊的财富翻倍至960亿元,超越了百度公司董事长李彦宏,在IT富豪榜上排名第三。

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

其中一项被提议的改变是:要求租金管制型房屋的租户提供收入证明。
科派斯塔克表示,东京回归榜首并不让人惊讶,因为东京的高工资推动了物价的上涨,房价和房租也很昂贵。

CDC

China has long since eclipsed Russia as the world's number two power behind the US.
外部事件的影响。《消费者报告》(Consumer Reports)杂志曾经对Model S大加吹捧,但最近该杂志也报道了它的一些常见故障,包括门把手失效,中控触屏白屏,导致车内大部分功能不能使用等等。汽车网站Edmunds.com也找了Model S的麻烦。更多此类报告无疑会影响特斯拉到目前为止非常正面的声誉。

今年中央各部门及下属部门的招考岗位达到27,817个,创下历史新高。
On the sales front, General Motors and Ford F -0.13% lost market share to Chrysler, which leveraged its Jeep brand to previously unimagined heights – and then, metaphorically left its heritage behind when it established legal domicile in the Netherlands and changed its name to FCA US LLC.
8. Your appendix might not be a useless evolutionary byproduct after all. Unlike your wisdom teeth, your appendix might actually be serving an important biological function - and one that our species isn't ready to give up just yet.
2. The 'Dad bod' is so hot right now

“他们说:‘我会奇怪她为什么在会议的时候低着头;我好奇她为什么不再兴奋地接过这个案子;我也会想她为什么一周有两天很早地离开,”凯说,“你在他们的脑海里引发了这些问题。”
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。
年龄:45岁
提升科技创新能力。

For the full year, profits rose 3.3 per cent, the slowest growth since at least 2008, when Chinese manufacturers were slammed by the global financial crisis.
The latest survey also showed the country had a narrower gap between genders in 2015. As to the structure of genders, the male-to-female ratio last year was 105.02, lower than the 2010 ratio of 105.2.
单词extravagant 联想记忆:
We will work to ensure that our people have access to equitable and quality education.
It replaces strollers and big backpack carriers that might even make it heavier or cumbersome for you to take your children out.

埃马纽埃尔马克龙(Emmanuel Macron)会得到德国总理安格拉默克尔(Angela Merkel)对欧元区预算的承诺吗?
Apple (AAPL, Fortune 500) announced that it would put $30 billion of its cash toward share repurchases. The news made investors happy: The stock popped, and even a week later was up 12% relative to the S&P over that same 7-day period. The buybacks were part of a larger $130 billion capital return program that the company said would extend through 2015.
雷文斯克罗夫特最终不再从事教学工作,他创办了Enabling Enterprise,这是一家寻求减轻学校和企业脱节现象的机构,它让学生走出教室,从事实践项目并实地探访包括瑞银(UBS)和富而德律所(Freshfields)在内的企业。
If you outsource any or all of your content writing, you need to make sure your content is original. Paste content into Copyscape’s analyzer tool, and you’ll instantly know whether the content is original.
3. Economy is already crashing, GDP will get even worse in 2014-2016

中国始终支持一个团结繁荣稳定的欧盟,也支持强大的欧元,支持欧洲一体化进程,因为这有利于经济全球化、世界多极化和文明多样化。我对欧盟的前景是乐观的,我们对中欧关系的发展前景也是看好的。
祝福您,新年快乐。
No. What has been billed as the largest ever IPO is a cornerstone of de facto leader Mohammed bin Salman’s grand economic restructuring, so it must happen. Shares in Aramco will be quoted on the local stock exchange. The international element of the IPO is unlikely to be a public listing, however. Donald Trump has lobbied for New York, and London is pulling all the stops. Hong Kong and Tokyo are also under consideration. But the Saudis will opt instead for a private sale, or choose to list internationally later than anticipated.
The number of students who will study abroad after graduation has also seen a drop, down from 4.8 percent last year to 3.4 percent.

Unemployment was the most searched for financial item, followed by "Wall Street companies" and "recalls".
The country's film output ranks third in the global market and is expected to exceed 700 by the end of 2016. Sales of film rights to online video sites raked in 4 billion yuan (560 million U.S. dollars) in the same period.
瑞典
发布日期:2015年
韩孟杰强调,由于处于性活跃期,容易受到外界的影响,发生不安全的性行为,所以大学生感染的风险还是存在的。
耶路撒冷小女孩参加“圣殿山筛选项目”考古活动时,发现一古埃及护符。

Ranking third on our Top-Grossing list is Steve Carell. Despicable Me 2 was a huge hit this year, bringing in $919 million at the box office. Overall, the franchise has earned $1.4 billion at the box office worldwide and a third movie, Minions, is on the way. Carell also appeared this year in the small indie The Way Way Back and The Incredible Burt Wonderstone. The latter failed to earn back its production budget at the box office but we’re only looking at ticket sales here — the film put another $22.5 million in Carell’s column for 2013.
该数据突显出,某些工业部门对他们认为来自中国对手的不公平竞争感到日益担忧。
超过35万的欧洲玩家(还有一些北美和亚洲玩家)带着朝圣般的心情,赶赴人口刚过100万的德国科隆市,参加一年一度的游戏盛会。美国动视(Activision)在展览中首次公布了Sledgehammer Games工作室的多人游戏《使命召唤:高级战争》(Call of Duty: Advanced Warfare),现场玩家亲身体验了这款将于11月3日正式发布的游戏。

The 2015 FT Global Executive MBA ranking this year is remarkable for two reasons. Not only is it the FT’s 100th ranking of business schools, but it also marks the first time thataprogramme that includes a mainland Chinese business school has occupied the top position.
Consider:
这个眼光长远的女孩也希望自己在网络上的知名度能够帮助自己跻身演绎界,为她谋取一个在美国广播公司制作的美剧《童话镇》中饰演艾丽莎一角的试镜机会。该剧将在下一季中加入艾丽莎这个角色。
Final predictions: Weak economic growth will continue into 2010. By spring, the Obama White House will be forced to the political center and U.S. businesses will finally believe in a modest recovery.
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.