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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

四川成都强化木地板抽检:八批次不合格

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 山东省明年将开工装配式建筑2200万平方米 the quarantine period, and its counterpart organizations do so abroad, all in concert with the World Health Organization.

2. "Breaking Bad" (4.2 million)
The Producer Price Index (PPI), which gauges factory-gate prices and is a major indicator of economic briskness, rose by 6.3% in 2017, compared with a minus 1.4% for 2016, reversing the trend of continual decline since 2012.

近日公布的一份调查结果显示,清华大学毕业生的平均薪酬在全国高校毕业生中最高。

汇率走势今年已对大宗农产品价格产生有力影响,英国退欧公投曾导致英镑汇率重挫,这推升了英国食品进口价格并提振了农产品出口。
跳水女皇郭晶晶2010年会否出嫁?
6. China will also soonmake further announcements regarding affordable housing and more accessiblehealthcare. The country still needs 75 million more $75,000 housing unitsand it will begin breaking ground on them, in earnest, in 2014. Theseinvestments, particularly in health care, will effectively become self-funded,allowing average Chinese consumers to consider saving less, and spending more. It will drive longevity and years of productive employment.
Local-level work experience will advantageous for applicants, with personnel with more than two years of experience at this level given some advantage.
(可可英语版权所有,未经允许请勿转载)
《癌症:众病之王》(Cancer: The Emperor of All Maladies),PBS,3月30日播出。该剧由《斯科茨伯勒:美国的悲剧》(Scottsboro: An American Tragedy)与《美莱》(My Lai)的导演巴拉克·古德曼(Barak Goodman)执导,肯·伯恩斯(Ken Burns)担任执行制作人,这部六小时的剧集是根据普利策获奖书籍、悉达多·穆克吉(Siddhartha Mukherjee)医生的《众病之王:癌症传》(The Emperor of All Maladies: A Biography of Cancer)改编的。
过去10年,全球最具价值品牌100强的品牌价值增长一倍多,增幅达到133%。品牌价值是根据收入和盈利能力等财务指标,结合消费者品牌认知调查计算的。
最近的例子也比比皆是,从乌戈.查韦斯(Hugo Chávez)到欧尔班.维克托(Viktor Orban)和弗拉基米尔.普京(Vladimir Putin)。

"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

你如何知道你需要喝水了?这有一系列的诱因:嘴唇发干、头晕、头痛、尿量低和口渴。然而,这种智能瓶能在你的身体意识到缺水前就提醒你。
单词repertoire 联想记忆:

Nobel economists like Joseph Stiglitz, environmental activists like Bill McKibben, George Soros and the Institute for New Economic Thinking, politicians like Al Gore and other modern thinkers all warn us that traditional economists (and the banks, businesses and government agencies they work for) are addicted to bad economic theories, And they're sabotaging America's future.
We have confidence that we will continue to open this country at a higher level, and maintain this country as a popular destination for investment. We welcome other partners to work with us to share in the development opportunities of China.
[in'tennli]
单词document 联想记忆:

1号 what the fuck: “职场辣妈”的新境界
8) I am a closed kind of person 0 1 2 3 4
China's consumer price inflation decelerated to just 1.3 per cent year-on-year last month, the slowest rate since May. On a month-to-month basis inflation fell by 0.3 per cent, the first negative reading since May.
年龄:31岁
associate

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

Perhaps it will not catch on in the cut-throat world of Wall Street. Some may see an extended absence as an admission that their jobs are expendable, and that colleagues can survive — and perhaps thrive — without them.
美国的排放量一直在降低,这是因为发电过程中燃烧天然气的比例增加了;与煤炭相比,燃气发电每单位能量所产生的二氧化碳更少。但美国通报称,2013年的排放量有所增加,因为煤炭重新获得了一些市场份额。如果这种趋势持续下去,它可能会成为奥巴马政府的一个挑战,因为奥巴马政府正试图制定更严格的温室气体政策。

CDC

冲击奖项:自从在特莱瑞德电影节首映以来,奥德曼一直就是最佳男主角奖项的宠儿。
Trailing China in 2015 was the UK with $1.9 billion, Japan, $1.8 billion, India, $1.6 billion, and South Korea, $1.5 billion.

数据显示,三星仍然占据榜首,其次是苹果。但是即便如此,这前两名的科技公司的出货量却分别下降了3%和7%,全球市场份额出现了下滑。
v. 劳累,拉紧,过份
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。
根据2016年胡润百富榜,中国房地产大亨王健林击败了阿里巴巴集团创始人马云以及异军突起的宝能投资集团董事长姚振华,再度蝉联中国首富。

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Whiteness, in this context, is more than just skin color. You could define it as membership in the “ethno-national majority,” but that’s a mouthful. What it really means is the privilege of not being defined as “other.”
不是因为我乐意看到一部精彩的电视剧剧终——如今已被公认为电视剧的黄金时代,而它正是这个时代的先驱。
李说,记者职业排名靠后已经有一段时间了(去年在200个职业中排名第196位)。他说,这次被挤到最后一位很可能是因为有些情况更糟了,如职业前景变差、平均薪资继续下滑、工作时间持续增加等,而且这些因素也让记者的压力更大。

Add your scores for 10 to 14 to find out how you score on the Social Inhibition scale.
"We're excited to have these talented artists showcase the powerful contribution music makes to filmmaking," the show's producers Michael De Luca and Jennifer Todd announced in a statement on Friday. "It's a privilege to welcome them to the 90th Oscars stage."
牌类游戏等休闲类游戏在10大热门游戏中占据了三席,仅次于大型多人在线角色扮演游戏;而腾迅QQ游戏等网页游戏正逐渐成为一个新的增长领域。报告说,截至2009年10月底,排名前5位的网页游戏玩家总数达到154万人,玩家平均在线时长为30分钟。
Given a choice, Chinese university graduates prefer to find employment rather than start a company.
However they went ahead with plans to send 100,000 anti-Pyongyang leaflets.

vi. 谈话,讲述
As early as 2008, wearable technology—which can range in anything from measuring your heart rate to curating music based on your mood—has been touted as the next big moment in consumer electronics.
加拿大人:到了英国,你们恐怕会一次又一次地被人误认为是美国人,还会因为那些和你们毫无关联的事情而备受指责。除非你能想出一种简便快速的办法,让人一眼就能看出你是加拿大人(在衣领上夹一朵花?穿马鞍鞋?戴枫叶图案的眼罩?)要不然你也就只能慢慢习惯,不再抱怨了。
Employers have stepped up their hiring recently, adding 171,000 jobs in October and an average of 157,000 a month so far this year. That's a better pace than last year and the strongest job growth since 2006, Labor Department data show.[qh]
《佛罗里达乐园》

一名校友表示:我们被迫远离了安逸,但获得了独特的体验。
wheat
从1970年到今天,世界各地的文盲减少了50%。
那些原本希望今年凭借战术策略获得些利益的财务顾问和资产配置人员,也在反复无常的市场中栽了跟头。全美前三位的战术策略产品中,有两款产品几乎因为高达两位数的亏损而崩盘,还有一款产品则因为向公众误报自身历史回报率而受到美国证交会调查。另一家战术产品巨头嘉信理财旗下90亿美元的Windhaven Diversified Growth产品,2014年的回报率几乎为零。战术策略原来不过如此。

Texas was one of the first states to emerge from the recession and it continues to attract companies on the basis of its low tax burden, predictable regulatory environment and skilled labor force. Texas employment is expected to expand 3% annually through 2017, according to Moody’s. (Arizona’s forecasted rate is a microscopic 0.04% better). Texas has attracted a lot of attention from California companies and Governor Rick Perry has not been shy about contrasting the business climates of the two states. California firms EBay and Electronic Arts have both chosen Texas for large expansions in recent years. Austin has been a hotbed of activity this year with Accenture
由于本月初谷歌人工智能程序AlphaGo对弈韩国围棋大师李世石取得历史性的胜利,互联网巨头们就人工智能的前景展开了热烈讨论。
这份榜单的四所英国大学分别是剑桥大学、牛津大学和伦敦大学和帝国理工学院。东京大学也位列前20名。
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。
de加强语义,sign标记,er表示人-做标记的人-设计者
安娜还补充道,在巴西筹办世界杯期间,巴西人民却在遭罪。由于大型建设项目造成交通拥挤,耽误了居住在城市郊区穷人的上下班时间,她认为只有富人才会在世界杯倍感享受。

我们的前路应有尽有,我们的前路一无所有……
周二发布的官方数据显示,中国的出口在今年10月出现了连续第二个月收缩,这表明内需是PPI上涨的主要推动因素。
祝新年快乐,并致以良好的祝福。

小说作者安东尼·赫洛维兹(Anthony Horowitz)透露,新书《Trigger Mortis》为现代读者作了改动,包含反对吸烟的信息,而且首次有一位“直言不讳”的同性恋朋友出场。
n. 元素,成分,组成部分,(复数)恶劣天气
beneficial
Accounting and finance grads will be in demand too, the poll says. Note to college students already looking ahead to the summer: 52% of employers in the survey said they prefer to hire graduates with internship experience.
Frankly, this sort of behaviour means you are very much still a girl and definitely not yet a woman.