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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

人体工学还是智能家居 下一个家具行业爆点?

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 市场“寒意”阵阵 房地产信托寻觅“突围”路径 the quarantine period, and its counterpart organizations do so abroad, all in concert with the World Health Organization.

The report found that students majoring in art, agriculture and engineering were more willing to start businesses, while those majoring in history and science showed relatively low interest.
Type D personalities usually have a low self-esteem and a great fear of disapproval and this is the primary reason that prevents them from opening up to others.

6. You don’t just pass in front of the TV if i’m watching football, you better crawl on the floor.

Snap, however, has sunk to about $15 after initially rallying from its IPO price of $17 in March, damping some expectation of further activity involving so-called decacorns, tech companies that have achieved valuations of $10bn or more through private funding.
第九步 每天,告诉全世界“别BB了”,其实这样蛮圈粉的
最佳新人:Florida Georgia Line
Shares in Hyundai and AmorePacific slid on Friday, down 4.4 per cent and 12.5 per cent respectively in late afternoon trading in Seoul.
Lei Jun, founder and chairman of Chinese smartphone giant Xiaomi Corp, agreed, describing the win as a breakthrough in artificial intelligence.
AMC频道的《广告狂人》(Mad Men)也是如此。该剧演到了第七季,剧中人物和20世纪60年代的背景似乎已被挖掘干净,不过它仍在让观众猜测结局,结局要到明年才播出。《黑道家族》(The Sopranos)结局模糊。《绝命毒师》(Breaking Bad)以沃尔特·怀特(Walter White)死去告终。现在,隐约显现的下一个电视谜题是唐·德雷珀(Don Draper)的最后时刻——究竟是死去还是活着。
在回顾过去一年的影片时,观众们经常想起那些有力的表演,或者会思考一部电影怎样叙事,激发了哪些情绪,做了哪些尝试。
即便这些改进最终会降低长期成本,遵守这条法律可能还是颇具挑战性。此外,2015年是各楼盘停用6号取暖油、改用污染更少的4号油的最后期限。

"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

大多数专业顾问(包括我在内)都会对其客户大力鼓吹全球化多元投资组合的好处,然而,在12月看来,残酷的现实是2014年更像是个平局,而非大获全胜。事实上,上周摩根士丹利资本国际全球指数同比仅上涨了2%,而摩根士丹利资本新兴市场指数(MSCI Emerging Markets)和追踪美国以外发达国家市场的EAFE指数双双下跌了近5%。具有讽刺意味的是,除美国以外全球唯一一个表现上佳的市场——中国大陆股市的上证综指(上涨了45%),也是唯一一个美国投资者无法进入的市场。
Artificial pancreas, however, knock insulin into your body automatically. The device looks much like a regular insulin pump, which slips you insulin continuously through your skin, but this one monitors your blood sugar at all times and adjusts itself accordingly. So even when the wearer sleeps, there's no danger of falling into shock if their sugar drops too low.


James Bond Themes Honorable Mention: "Surrender" by K.D. Lang
I wonder if the Pelicans are in that position, too. It looks like their highest Brow-era pick will be Buddy Hield. That's not optimal.
['temp?r?ri]

3.8 推进以保障和改善民生为重点的社会建设
Coke's Kent is not the only chief executive who spoke out in 2013 about the merits of immigration reform for big business.
根据新修订的中国刑法,在国家级别考试中,凡是组织、协助或是参与作弊行为的人,将会受到3至7年的有期徒刑。
获奖者:布兰妮·斯皮尔斯
Subdivided flats smaller than 100 square feet (9 square meters) can rent for $385 in the Asian city.

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 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.”
对于该行业规模有多大,众说纷纭,但高盛(Goldman Sachs)的数据表明,在2012至2014年期间,该行业的贷款规模从60亿元人民币增长至830亿元。

CDC

现在,她主要在模特行业发展,但是她也很希望跻身演绎圈。
"By the end of next year we will be at the point where the unemployment rate is between 5% and 5.5%, and it will truly feel legitimate," Faucher said.

Kesha, 'Rainbow'
“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。”
斯特罗恩表示,他认为IP-BOX运用了和FBI没有经过苹果公司的帮助而破解塞义德·法鲁克iPhone 5c相同的技术。现在FBI已经开始向其他执法部门提供帮助解锁iPhone,iPad或者iPod Touch的方法。苹果方面正在积极寻找FBI是如何破解iPhone的,并将推出软件更新来关闭这些漏洞。
该地区拥有数百英里的海滩和湖岸、美国的最古老丛林以及瀑布景观。最值得一提的是,该地区游客相对较少,环境清幽,价钱也较为合理。

Between 1991 and 2010, the cancer mortality rate fell by a whopping 20%, which is more than 10% a decade. One day we will say goodbye to cancer for good.
Vawter climbed 103 floors of a Chicago skyscraper on his bionic leg, but its designers are still working on improving it. To optimize it for everyday use, they have to make it even thinner and lighter. Its successor (the iLeg Air?) may meet the Army's stated goal for a bionic leg—10,000 steps without recharging.
妮诗原来就读于奥顿肖杨树街小学,现在就读于威辛顿女子学校,今年九月会进入奥尔特林厄姆女子语法学校。她与父母尼朗加和施若咪一起生活, 2001年,一家三口从斯里兰卡搬到了曼彻斯特。44岁的父亲尼朗加称赞妮诗在杨树街小学的启蒙老师们功不可没。他说:“我们很早就知道她有天赋,她很小就开始阅读和写字,而且非常擅长数学计算。我们让她做一些有挑战又有趣味的事。作为父母,你不想让孩子的天赋荒废掉,但是在他们的童年时期又需要平衡。她只是一个普通的10岁小孩,真的就像任何其他的10岁小孩。她喜欢阅读、骑车、散步,我们都为她感到骄傲。”
!ku79.)#gCKfe

万事达金融服务公司公布的2016年度报告显示,据预测,曼谷今年将接待2147万国际游客。
'That's something that would be challenged, I think, in the 21st century.
However, one lawyer, who prefers to remain anonymous, says Teach Firsters’ prior experience and autonomy in a classroom can mean they feel frustrated starting at the bottom of an organisation’s ladder again.
vaccine
Peace and love for you at New Year from all your students.祝老师新年充满平安和爱。

Prices at China's factory gates fell for a 34th consecutive month in December, pushed down by falling energy and commodity prices.
问:这次又和青木荣合作了,你的感觉怎样?
Well, at least Hilary has won something this year. I'm sure she's thrilled.
犹如船长要驾驶一艘船。如果领导曾不知这个工程或公司如何牵头,公司又怎样知道呢?这不仅仅是关于接下来的步骤或者交付的内容这两点,而更是对部门或公司的未来有一个清楚的认识,他/她能够同公司员工一起交流的内容。
wheat

调查结果显示,今年大约有9.8%的应届毕业生选择“慢就业”。所谓的“慢就业”是指一些毕业生不着急就业,而是选择旅游、在家陪父母以及继续等待机会自主创业等方式,慢慢考虑人生道路的现象。
煽动家是民主的软肋。
她说,零售业务“起步不久,好坏参半”。她表示,亚太所有国家都有大量工作要做,并补充称,澳大利亚的事例证明,就吸引散户兴趣而言,监管改变可以带来显著不同。
朋友很重要

A poll published Sunday on the wealth and race of fans who attended a World Cup match in Brazil illustrated what any TV viewer in the nation has seen: Those attending games are overwhelmingly white and rich.
n. 所有权
单词lasting 联想记忆:
乔斯·威登在度假的时候萌发了创作《萤火虫》的设想。他当时正在读一本叫做《天使杀手》的书,这本书讲述了一名葛底斯堡战役中的士兵的故事。威登深深地被这个士兵日复一日的艰辛生活所吸引。这本书的作者描写了大量日常生活中的繁琐细节,以及人们如何在缺乏现代科技和商业之便的情况下艰难度日。而威登对这种描写方式推崇备至。
Since then, Teach First has put 5,000 graduates into schools, working with more than 1m pupils in low-income areas, helping to raise standards in classrooms, particularly London.
单词productive 联想记忆:

Personal per capita disposable income increased by 6.3 percent in real terms.
两年前,美国电影学院特地延迟了年终投票的时间,就为了电影星球大战:原力觉醒能够参选,后来该电影进入了2015榜单前十。然而今年最新的《星际大战:最后的绝地武士》,将于12月15日上映,无缘上榜。
n. 潜力,潜能

Ever since the 1994 World Cup, the average scoring has been on a steady downward slope. In 2010 it bottomed out at 2.27, the second lowest average in World Cup history (1990 averaged just 2.20).
这个12岁的女孩已经成为了在Instagram拥有300万粉丝的超级巨星,她和流行歌手希雅(Sia)合作的MV在YouTube上点击量超过10亿。
‘Jordan,’ ‘harley,’ ‘robert,’ ‘matthew,’ ‘daniel,’ ‘andrew,’ ‘andrea,’ and ‘joshua’ all made it on the list – along with ‘football,’ and ‘lakers.’
在北约1999年对南斯拉夫的空袭中,大西洋联盟对塞尔维亚和科索沃境内数以百计的目标进行了打击。绝大多数目标都没有争议:防空阵地、军队指挥部和其他军事目标。然而对一个特殊目标的摧毁却在世界另一端掀起了声势浩大的反西方特别是反美浪潮。那个目标就是驻贝尔格莱德的中国大使馆。
她自言自语道,别再来这么一回了,太吓人了。