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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

少一种成分不一定就环保 不要过于迷信环保乳胶漆

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 盘点涂企们花样百出的品牌宣传手段 the quarantine period, and its counterpart organizations do so abroad, all in concert with the World Health Organization.

《出租车司机》被誉为历史上最伟大的电影之一,讲述了一名沮丧的前海军陆战队员,在被爱慕的女子拒绝后,试图暗杀参议员的故事。名义上的出租车司机崔维斯·拜寇,生活混乱,充斥着毒贩和妓女,但他的故事从来不是不现实的幻想。相反,它揭示了一个人差点成为成为枪手的真实预警。
Denmark, for instance, is 88 percent white Danish today — hardly a majority in jeopardy. But a generation ago, in 1980, it was 97 percent white. The anti-immigrant Danish People’s Party is now the second-largest party in the Danish Parliament. In Germany, where the foreign-born population shot up by approximately 75 percent between 2011 and 2015, the anti-immigrant, populist Alternative for Germany party is now drawing record support.

一些最近发表的科学论文说,高空急流中这种持续较长的怪现象,由于全球变暖正在导致北极地区海洋中的冰迅速融化而变得更可能发生,但许多主要的科学家还没有被这种观点说服。

5) I’ve Got Your Back: We’ve all made big mistakes. In those times, step in with a reassurance: “I’m not judging you. You’re going to get through this. You’re not alone. We’ll figure this out together. It’s going to be OK.”
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.
马克?高恩洛夫(Mark Gongloff)在《赫芬顿邮报》(Huffington Post)上警告说:“一季度美国经济增长的大幅降级揭示了经济体挥之不去的疲弱,暴露了华盛顿执迷于财政紧缩的愚蠢,并给美联储最新的乐观打了一记响亮的耳光。”而随着政治局势的恶化,增长速度还会进一步放缓。
Usher “Good Kisser” (RCA)
In early December, authorities announced that market circuit breakers would be introduced become effective from January 1 in an effort to limit the volatility seen during the savage, summer sell-off from June. The circuit breakers would see trading in shares, options and futures halted for 15 minutes if they fell by more than 5 per cent. On their first day of use, that first threshold was breached just after the return from the lunchbreak, prompting a 15-minute halt.
爆发冲突的潜在可能性,将迫使中国和美国在不断变幻的环境中重新定义各自的角色,双方都对这种环境感到不安。美国大选期间的反华情绪将使紧张气氛加剧。亚洲国家将勾勒出这两个大国的影响力范围,但考虑到各国的利益各有不同,取决于各自的具体关切,联盟的构成也将变化。
The 30 percent increase is to be driven bymore specialty drug innovation, greater patient access to medicines and reducedimpact from patent expiry dates.
安德鲁希尔(Andrew Hill)是管理主编

"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

As E.E. Cummings rightly said, "To be nobody but yourself in a world which is doing its best, night and day, to make you everybody else means to fight the hardest battle which any human being can fight; and never stop fighting."
2015年,全球范围发起的233起反倾销案件中,针对金属行业的案件占比达创纪录的46%,几乎全部是针对钢铁行业的案件。

不过,不管怎么说,2018年对中国许多大型国内电影公司来说都是一个强劲的年份。
Amy Poehler made out with Bono, Tina Fey mocked George Clooney's taste in women and Matt Damon emerged, bizarrely, as the night's recurring gag.
除了印度,其他金砖国家——巴西,俄罗斯,中国和南非——也削减了对美国政府债券的持有。
最畅销车型

《老友记》是成长在90年代的小伙伴们心中标志性的存在,因为它的主题:友谊、大城市生存的不易,发现自我、寻求独立,与年轻人息息相关,如今亦是如此。
adj. 一致的,始终如一的
The central government has allocated a special fund of 100 billion yuan to provide assistance to workers laid off from overcapacity cuts, and also has asked local governments to set up matching funds.
10.Meditate
Staff numbers at insurance agencies also rose by 936,200 to a total of more than 5.6m people.

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

“我们从斯雷布雷尼察大屠杀事件了解了荷兰和荷兰人是什么样的,”埃尔多安说起现代荷兰历史上最可耻的一幕,“我们从他们屠杀那里的8000名波斯尼亚人就知道,他们品德败坏到何等地步。”
Cheng继续说道:“一旦你找到适合自身需求的列表,只需轻按该列表即可看到推荐店铺的位置,然后通过左右滑动来查看更多选项,点击"阅读更多"或者屏幕底部的箭头可以选择地点和获得更多细节。”

CDC

According to a research report on 2016 graduates released by 51job.com, a leading job hunting platform in China, 52.11% of college graduates found employment or started their own business.
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.

愿女儿的新年祝福带给你快乐。
为保证更快的经济增长就必须要要消除美联储所担忧的另一个恶魔:通货紧缩,或者说价格下降。Baumohl 称“经济增长达到3%以上,并且自90年代以来新增了大量工作的国家发生通货紧缩几乎是不可能的”。
The Bloomberg soft commodities index has gained 21 per cent, compared with 24 per cent for industrial metals and 1.5 per cent for energy.
Call Me By Your Name

本田执行副总裁里克o斯考斯特克在一项声明中表示:“我们已经解决了这一问题。本田已经在早期预警报告中采取了一些重大举措来解决过去的缺陷问题,现在我们将更进一步,加强这些举措。我们将继续与国家公路交通安全管理局充分合作,提高透明度,改进报告工作。”
It had hit a record low of 48 in September, and was 49.9 in October.
Swyft有50家短信应用合作伙伴,包括Kakao Talk, Facebook Messenger, BlackBerry Messenger和 Line。这种合作让这家只有11个人的小公司能接触到25亿注册用户。随着利用短信应用赚钱的办法不断演化,这家年轻的创业公司已探索出一条可让各大品牌挤进人们聊天领域的生财之道。(财富中文网)
Ask questions immediately if you don't understand something. If you're in the front row and have been making eye contact, your instructor probably already knows by the look on your face that you don't understand something. A polite raising of your hand is all you need to do to indicate you've got a question.

江苏、山东、浙江、河南和四川的经济总量排名紧随其后,名次与2015年相同。
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。
To Koudijs, this has important regulatory implications for heading off 21st-century bubbles and busts.
“有个员工把一块上面写着‘我不干了!’的砖头扔进公司窗户。”
她笔下的人物们觉得自己为了登上“美国梦”的山巅,经历了漫长的排队等候,但是上山的队伍放慢了速度,甚至停顿下来了。而那些移民、黑人和其他“外来者”似乎还在插队。

vt. 谣传
n. 发行物,期刊号,争论点
“我非常激动,皮草被禁止参加伦敦时装周是个巨大的进步!” 费斯回应道。
Sina's Weibo service, for example, has long offered features that Twitter lacks, notably a commenting function that allows multiple users to add their own thoughts to a user's posts. Tencent's QQ instant messaging service, which has more than 700 million users, offers additional features such as skins to change the look of the client and serves as a portal for the company to advertise other products and services. Sina declined to comment.
中国国产3D奇幻/冒险片《捉妖记》2015年7月在国内上映后打破一系列票房纪录,成为2015年中国内地最卖座的电影

['hedwei]
仿佛是2016年对中国员工还不够艰难,一项年度调查披露,中国逾半数白领雇员在即将到来的(开销巨大的)农历春节假期来临前没有领到年终奖。
The EU filed just 12 anti-dumping cases in 2015, two less than the year before.
At New Year and always, may peace and love fill your heart, beauty fill your world, and contentment and joy fill your days.新年的祝福,平日的希冀,愿你心境祥和、充满爱意,愿你的世界全是美满,愿你一切称心如意,快乐无比。

换句话说,我们看到的只是气候变化方面的虚假黎明。
Soon after the conclusion of the 2016 national post-graduate entrance examination on Sunday, the Ministry of Education was informed of suspected leaks of exam questions.
In 2011, some seven years after the last season of Friends, over 36 million tuned into Comedy Central, a US satellite TV channel, to watch the show. The main demographic for this channel is 16 to 34 year olds, and viewing figures spiked during holidays, when extra episodes are also shown.
中国保险企业2016年上半年利润出现大幅下滑。
4.《欲望都市》掀起纸杯蛋糕热
根据路透社(Reuters)基于中国国家统计局(National Bureau of Statistics)计算得到的加权平均值,10月份中国新建住宅平均价格同比上涨12.3%,

3.你老板从他认识的人那收到了你认识的人给的简历。
St. Vincent “Digital Witness” (Loma Vista/Republic)
ICBC’s earnings per share were Rmb0.77, down from Rmb0.78 last year, and a pre-tax dividend per share was Rmb0.2333, down from Rmb0.2554.

他们开始对无保障合同、不稳定的工作时间安排、微薄的工资以及依托优步(Uber)等在线零工经济平台的新形态工作感到忧心忡忡。总部位于巴黎的有影响力的富国俱乐部——经济合作与发展组织(OECD)将于2018年发布《就业战略》,其中可能会更加强调工作的质量和包容性。
Be Original
Spending on medicines in "pharmergingmarkets" will rise more than 50 percent over the next five years, ThePharma Letter said, citing IMS.
Traditionalists include George Clooney, whose awards – best picture for Argo and best supporting Actor for Syriana – are in his library at home, and Dustin Hoffman, whose two best actor awards – the first for Kramer vs. Kramer in 1980 and the second for Rain Man nine years later, are kept in his study.
As the calendar flips to December it’s not too early to think about the inevitability of tanking. Who should do it, who should wait, and who shouldn’t ever consider it. Flanns and Zillz discuss.