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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

楼市回暖加速:70城平均房价连涨两月北上广深领涨

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 前8月50大城市累计卖地突破2.47万亿 同比上涨28% the quarantine period, and its counterpart organizations do so abroad, all in concert with the World Health Organization.

This movie tells the story of Wade Wilson, played by Ryan Reynolds, who is a mercenary with accelerated healing powers and a dark sense of humour. He's now on the lookout for the man who almost destroyed his life by subjecting him to rogue experiments. Deadpool belongs to the Marvel Universe and is their most unconventional anti-hero.
停战日在1938年成为美国的正式节日,但在1954年改称退伍军人节。当时是第二次世界大战和朝鲜战争结束不久。退伍军人节跟每年五月最后一个星期一的阵亡将士纪念日不同。

最佳综艺脱口秀:《约翰?奥利佛上周今夜秀》(Last Week Tonight With John Oliver, HBO)

Three stricts and three honests: Be strict in morals, power and disciplining oneself; be honest in decisions, business and behavior
n. 版权,著作权
She said: "I am extremely surprised and overwhelmed. I just want to start by saying what an incredible year for women in film. These categories are so crowed and crammed with incredible integrity and skill and I feel prouder than ever to be included."
企业能否最终摆脱谨慎情绪?
信息技术是第三大行业,有18个入围品牌。上榜IT品牌的总价值占到了榜单的22.5%.平均价值上升了10%。北京是IT行业总部的首选位置,有12个上榜IT品牌的总部设在这里。
13个原因
We will speed up the reform of SOEs and state capital.
adj. 吓人的

"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

单词fatigue 联想记忆:
5. 格罗斯警告:“庞氏骗局!临界点!信贷超新星!”

bene好,fit做-做事后的好处
The US has overtaken India as the leading user of anti-dumping and other trade defence cases, with China and its steel sector the biggest target, according to research.
8.俄罗斯
Losing my future is not like losing an election or a few points on the stock market. I am here to speak for all generations to come. 失去未来不像落选选举或者股市浮动那么简单,我来到这里是为了将来所有的世代而演讲。

这个家庭中心内部有三个摄像头,它能够连接到你的手机,你可以通过手机看冰箱里有什么。所以它基本上是一个6000美元替代用纸笔完成购物清单的替代品。
['traigl]
Sure, Chris Paul is a bit bigger and stronger now, but he still looks almost identical to the way he did in high school. He even had his trademark mustache back in high school.
四线及以下城市居民在收入、教育、医疗、养老方面的经济压力与国家平均水平相近,而家庭和人际关系方面的压力比二三线城市大。
预计新一代iPhone中,将至少有一款采用人脸识别技术,这种图像捕捉技术能够感知深度,并追踪人脸及表情。随着苹果与Facebook和Snapchat等公司争夺用户的关注度,新一代iPhone将增加一系列包括猴子和机器人的新表情符号,其动画表情能够反映iPhone用户的脸。

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

New employees at the company's Tulsa headquarters have little time to be shy: on their first days, they're seated at desks with a tub of candy. Colleagues often stop by and introduce themselves while grabbing a snack.
And while there is still a long way to go before airplanes designed and made in China compete on the world stage with the likes of the Boeing 737 or Airbus A320, the momentum is there, and the country’s aerospace industry is entering a new phase of development and maturity.

CDC

'Chinese clients are not only buying in Asia but in New York and Geneva as well.'
Marcos Carvalho, an 18-year-old Brazilian fan who was hanging out near the Estadio Nacional in Brasilia before Brazil played Cameroon earlier this week, said that he "didn't even try getting tickets, they were too expensive.""There was no way we could afford them," he said. "We'll just watch the match at home, it's all we can do. We are seeing everyone going to the stadium, everyone happy, but we won't be going."

卓越雇主排名:11
But the carriers are having a more difficult time over the winter holidays. About 30 percent of winter holiday flights were delayed in 2012, on top of significant delays in 2011 and 2010. You can check holiday flight statistics from the Transportation Department on its website.
在其他小孩想方设法逃课、不做作业的时候,玛蒂却对学业热情饱满,因为她不想自己成为又一个“愚蠢的舞者”。
Belgium and Uruguay are two diminutive countries that have maximized their advantages through inclusiveness, and of which Brazil, Argentina, Spain and Germany -- the quartet of forerunners for this year's title -- will rightly be wary. They, in the manner of Brazil's indigenous mosquitos and scorpions, are a useful reminder that small can often be deadly.

adj. 透视的
adj. 暴露的,无掩蔽的,暴露于风雨中的 v. 暴露,
Wages will finally accelerate after years of stagnation
In the open ranking, IMD, in Lausanne, scores particularly highly in the top 10 criteria based on a survey of executives who attended programmes. It is ranked first in three criteria and in the top five for the remaining seven.

At a minimum, it is impossible for most people to get to work in the city, which affects the locus of several industries, including finance, advertising, healthcare and the arts. The city's transportation lines, bridges, and tunnels were shut down for nearly two days, and at the latest report, the subways may be down well into next week.
The Global Obesity Epidemic
根据世界黄金协会的数据,去年中国的黄金产量估计为420.5吨。该组织表示,同期中国对黄金的需求上升了4%,至953.3吨。
会。梅因为失算的提前选举而失去了大部分权威。但过去几个月情况对她较为有利。敲定退欧离婚协议,确保了她的饭碗短期无忧。因此直到2019年英国退欧正式完成(或者另一种更吸引人的替代方案出现)前,保守党将让她继续坐在首相位置上。留欧派和退欧派都希望避免因反对她而引发内战。事实将证明,曾经被人们认为是坐不长的位置,意外地能够坐久。
数月前,18岁的安娜·费斯·卡尔森在一张艾丽莎的宣传立板边照了张相,发布到了网上,她立刻变成了网络红人。

British schools outperform the French on both new criteria. Warwick Business School, the top UK school for career progress, is second overall for the criterion, 30 places above the first French school, HEC Paris. Alumni from UK schools also see a higher increase between their first salary after graduation and now, at 62 per cent versus 45 per cent. However, UK school alumni still have a lower salary on average than their counterparts who studied in France, at $55,000 versus $64,000.
I’m not saying you should blindly accept everything that’s offered to you, it’s okay to take time when considering the pros and cons of an opportunity. But, when you find yourself leaning toward “No,” you owe it to yourself to be sure that you’re turning down the opportunity for a valid reason, not just out of fear.
但随着美国接近实现充分就业,随着通胀向目标水平趋近,“你可以看到收紧政策是有道理的,”他说,“不需要很多就足以改变整个平衡”。
众所周知中国一直在雄心勃勃地推进航天商业化,最近中国取得的进展正在将这一梦想转为现实。
有人将一杯滚烫的咖啡洒在了求职者身上。

攻读EMBA也有利于升职。一位毕业生表示:“我获得的技能对我的升职至关重要。”五分之一的学员在毕业3年后担任首席执行官、执行董事或董事。学员们在读EMBA前的平均薪资为11.4万美元,毕业5年后增长52%至17.5万美元。
游泳、花样游泳、跳水、皮划艇、激流回旋、静水、赛艇、帆船、水球
At least 120 million American voters had been expected to cast votes in the race between the Democratic incumbent and Romney after a campaign focused on how to repair the ailing U.S. economy。
在对入围的六本图书展开激烈辩论时,一名评委形容福特的书对该问题做出了“冷静而全面”的分析。英国《金融时报》主编兼此次评选委员会主席莱昂内尔巴伯(Lionel Barber)称《机器人的崛起:大规模失业的威胁与科技》“行文紧凑、研究深入,是公共政策辩论领域的又一佳作。”

10.Be Dedicated and balanced
Spider-Man: Homecoming
过去一年中,亚利桑那州最大的赢家是建筑和休闲/酒店行业,这两个行业共增加了超过1万个就业机会。其他快速增长的行业包括商业服务、金融活动、教育和医疗服务。
adv.
2013年,勇士队曾在中国与洛杉矶湖人队打过季前赛,而森林狼队则是首次来华。
Tesla:In an effort to blunt criticism about slow refueling times for battery-powered cars, Tesla TSLA -1.54% starts to roll out of a network of battery-swap stations. CEO Elon Musk must hope he can outdo Shai Agassi’s Better Place, which tried to build a whole company around battery-swaps before going bankrupt in 2013.

Kristen Stewart definitely did some 'butt' kicking at the Nickelodeon Kids' Choice Awards 2013 on Saturday. The star strutted down the purple carpet in a dazzlingly deep blue and black top and tiny shorts that had a miniscule checkerboard pattern. Kristen was nominated for two awards at the live show - Favorite Movie Actress for The Twilight Saga: Breaking Dawn - Part 2 and Favorite Female Buttkicker for Snow White and the Huntsman.
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。
澳大利亚整体排名第八,这个位于南半球的国家,“生活质量”排名第四,“冒险指数”排名第九,教育排名第十。

4.British people may seem to apologise a lot, but it doesn't quite mean the same thing here. In the UK, "I'm sorry" actually means either a) I didn't hear you; b) I didn't understand you; or c) I both heard and understood you, and I think you're an idiot.
Thank you to Aicha Nezzar for sharing this gem on the Facebook Group- Global English Forum.
But the young boy still had on last trick up his sleeve before surrendering.
201001/93725.shtmlNews trumpedcelebrities in 2010 as the BP oil spill in the Gulf of Mexico and World Cup soccer in South Africa topped the list of most-searched items of 2010, according to Yahoo!
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。