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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

干混砂浆为行业发展大势所趋 前景可观

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 “李鬼”频现 75%购房人曾遭遇网上假房源 the quarantine period, and its counterpart organizations do so abroad, all in concert with the World Health Organization.

注:本文转载自前十网,译者:Carrie
201312/270513.shtml

5.同性婚姻

3.9 全面加强政府自身建设
adj. 深思的,体贴的
去年12月,中国工业利润降幅达到创纪录的8%,显示中国有针对性的刺激计划未能抑制工业放缓,而工业是中国经济的主要推动力。
Obama won the second to put himself back in the race. Although he also won the third, foreign policy is not a major concern for voters and it is unlikely to result in any major poll swings.
随着新款iPhone不断刷新自己的发售纪录,库克推出了Apple Watch和Apple Pay等产品,引领苹果进入时尚界和金融界,让这家公司再度焕发出许多人担心已和乔布斯一同逝去的创新精神。苹果今年一年市值的增长,就接近谷歌(Google)的整体市值。
A child's eye view of life in a Florida motel community.
平壤称Park为“人渣”,一直在谴责气球投放,最近几个月甚至要求首尔禁止这一行动。
9. “The Big Short” Adam McKay plays it for comedy, but as he carpet-bombs the screen with laughs, he makes it clear that his take on the 2008 economic meltdown is a staggering American tragedy.

"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

The Irish. They sing, dance, drink and sing some more. The lads were singing lullabies to a little baby in Bordeaux to try and get it to go to sleep.
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She told The Telegraph: 'I don't feel that normal any more because I get recognised, even when I'm just trying to have fun or going to get ice cream with my friends.
Another exceptional new field is that of nanotechnology.
That’s a lot of issue-related messaging to pack into a single color trend (or even two), but the Pantone statement says it’s the company’s job to reflect social trends and capture them in a shade — which will then become part of the fabrics of our lives, as it were.
'This child is going somewhere big, you mark my words.'

No details have been given about the content of the leaflets, though propaganda sent in the past has denounced North Korea's ruling family.
整形美容长期以来一直在美国盛行,而如今这个潮流正席卷亚洲。
There is "credible evidence" Justin Bieber fathered a child after a backstage encounter with an older female fan, her lawyers have claimed. 一名女性的律师声称
我可能会说:“我解雇你是因为你工作不达标。”实际上,我并不会说是因为你实在让人受不了,每次和人沟通都会得罪人。
v. 引诱,吸引

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

美国选举人团制度已经在两方面失效。
尽管在2008 年9 月被任命为美国时代华纳集团旗下《型时代》杂志总编辑的阿里尔·福克斯曼是榜单新人,很少参加电视节目,但他的时尚总监哈尔·鲁本斯坦现在是美国“一生” 女性频道《幻彩魔刷:寻找下一个化妆大师》节目的评委。福克斯曼的刊物在广告页数上领先,据称在2009 年上半年总计超过1000 页。

CDC

Will a stable and liquid bitcoin futures market develop
People in fourth-tier and smaller cities have economic pressures close to the national average level in terms of income, education, medical services and elderly care, while family and human relationship stress are higher than second- and third-tier cities.

祝老师新年充满平安和爱。
Unlicensed drivers who engage in the services will face a fine ranging from 10 thousand yuan ($1,500) to 30 thousand yuan ($4,500).
Profits fell by 54 per cent year-on-year to Rmb105.6bn ($15.9bn) during the period, a drop of Rmb124.4bn, according to figures published by the China Insurance Regulatory Commission.
与此同时,在线旅游公司途牛(Tuniu)一名销售人员告诉英国《金融时报》,该公司周五已“因萨德问题取消了所有韩国游”。在该网站上搜索韩国游,会弹出一则消息:“ 抱歉,没有找到符合条件的产品。”

bacteria
"We hold ourselves to a very high standard," Curry said. "We didn't put any pressure on them defensively in the third quarter. We were sloppy on a couple of possessions offensively and gave them life. Those are things we need to improve on. Everyone likes to learn those lessons in wins."
法学、工学、医学的毕业生签约月薪较高,平均值分别是5545元、4512元、4500元,同去年相比略有下降,而教育学、农学的毕业生签约月薪偏低,分别为3258元和3184元。
再来看一下流失顾客的公司吧。

当然,我们已经收到很多邮件,称赞各种粉水晶色和宁静蓝天色的产品。不过,我想知道:在下一轮总统竞选辩论中,我们会突然看到各种混合的、色调柔和的领带吗(而不是当下流行的红蓝领带)?现在就下注吧。
The four megalopolises also saw fewer traffic jams after November due to reasons ranging from less travel in winter and smoggy days to the return of migrant workers to their hometowns.
Bank of China followed the trend, with profits up only 1.3 per cent and ROAA declining by 0.1 percentage points.
9. CO2 in the Earth's atmosphere passes 400 parts per million
中国12月生产者价格指数(PPI)同比下滑3.3%,为自2009年9月以来最大降幅。矿业价格下跌13.2%,原材料价格下跌6.4%。

男女学员的薪资差距已扩大到17%,女性平均薪资为17万美元,男性则达到近20万美元。
For many Western whites, opportunities for achieved identity — the top of the hill — seem unattainable. So their ascribed identity — their whiteness — feels more important than ever.
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“她自己也很喜欢。我们不会强迫她做任何她不想做的事情。”
泰勒·斯威夫特(Taylor Swift),《空白空间》(Blank Space), Big Machine

“The new money is interested in old masters, but it wants what Duveen sold to the robber barons. It wants names,” said Hugo Nathan, a co-founder of the London advisers Beaumont Nathan. He was referring to Joseph Duveen, the British art dealer who was responsible for bringing many great works of art to the United States.
5.Emma Watson
Beyoncé vs. Jennifer
大部分的科技从业人员都认为移动应用会发展、而电脑应用会减弱。这意味着企业都需要强劲、快捷和实用的移动平台,不重视这点的企业必然会失去消费者。

Lady Bird
Until a couple of games ago, Stephen Curry really hadn't thought much about making more NBA history.
近几十年来,很少有年份像2014年那样一开始就充满那么多的悲观情绪。对2014年的预测贯穿了一个主题,即这一年看起来与1914年相似得让人害怕。大多数学者的预测都是悲观和令人沮丧的,尤其是对于东亚。然而,虽然发生了许多可怕的事件——从马航MH17航班在乌克兰坠落,到尼日利亚数百女学生被绑架,以及“伊拉克和黎凡特伊斯兰国”(Isis)的崛起——但我们避免了全面的世界大战。现在,2014年已结束,没有重现1914年的悲剧。探究为什么这些学者预测错了(特别是他们认为亚洲存在冲突可能性的想法)或许是明智的。
伊莎贝拉卡敏斯卡(Izabella Kaminska)
Researchers at Google discovered that security questions as a standalone method for recovering access to accounts is not an efficient model.
‘Can’t fault, I was thinking “go on boys”,’ Alesha smiled.

projected
US News also offers subject-focused rankings, which include popular fields such as computer science, economics and business and engineering.
This year's best midseason trade action happened early:

Hope you enjoy the happiness of New Year and all the trimmings.祝你享尽新年佳节的快乐和新年的礼品。
继8月中旬贬值后,人民币在9月和10月有所上涨,但在11月再度走低,昨日人民币汇率收跌至三个月最疲弱水平,为1美元兑6.4082元人民币。“中国周边很多国家自10月份起经历了一些资本外流,中国也未能幸免,”深圳招商证券(China Merchants Securities)经济学家谢亚轩表示。“美元走强势必在一定程度上引发转投美元资产的行为。”
I'm only a child yet I know we are all in this together and should act as one single world towards one single goal. 我身为小孩都知道,我们在地球的母亲怀中都是孩子。我们应该为了相同的目的进行相同的行动!
This story pulls directly from the real Bling Ring gang , whose burglaries racked up $3 million over the span of ten months in 2008. All of the celebrities listed in the movie were real victims of this group, who claim to have been motivated by the "cultural obsession" surrounding celebrities' personal lives. Whatever their motives, the Bling Ring is a good reminder to take a step back from the media every once in a while.
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