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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

调控之后高烧渐退 深圳房价10月环比跌9.7%

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 融资收紧出货受限 京沪深房价环比负增长 the quarantine period, and its counterpart organizations do so abroad, all in concert with the World Health Organization.

5.Celebrity Mocks Mao

Most of these islands were owned by corporations planning tourism, but also by individuals who built private clubhouses to entertain friends.

首先,Bitstamp遭遇黑客袭击,以及2011年黑客袭击比特币交易平台Mt. Gox(此次黑客袭击要严重得多,其损失当时约合4亿美元),往往被误解为比特币本身存在安全问题。但事实上,这只能表明上述比特币交易平台存在缺陷,而非比特币技术本身存在问题。而最令人激动的,正是比特币背后的底层技术。正如《财富》杂志2015年1月刊《打造未来》系列报道中所写,大部分极为看好比特币、为其大声疾呼的狂热粉丝(包括马克o安德森这样的大牌企业家,也包括花大把时间更新比特币REDDIT页面的开发者和比特币“矿工”),更感兴趣的是能建立在比特币“区块”(该货币基本骨架)上的应用,而非比特币货币体系。两个实体间可通过“区块”安全交换任何形式的价值。
The 2018 Academic Ranking of World Universities released last Wednesday by Shanghai Ranking Consultancy reveals that 62 research universities in China have made their list of the world's top 500 universities.
adj. 勤奋的,用功的
n. 高兴;快活

"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

v. 改革,改造,革新

Millward Brown的BrandZ估值主管Elspeth Cheung表示:“排行榜10强过去由消费品主宰。今年是科技。”
adj. 最初的,原始的,有独创性的,原版的
Meghan Markle

Grab your rolling bag, and pack your patience. The holiday air travel season is about to begin. And if you want to have a stress-free trip, the best advice we can give is to fly west.
For starters, breaches like that of Bitstamp and the much larger (valued at about $400 million at the time) 2011 hack of the exchange Mt. Gox are often misconstrued as security issues with the currency itself. But they are only signs of flaws in those particular exchanges and not a sign of an issue with the underlying technology. And it is the underlying technology behind bitcoin that most excites. As we wrote in the “Shape the Future” package of our January 2015 issue, most of the vocal enthusiasts so bullish on bitcoin—from big-name entrepreneurs like Marc Andreessen to the developers and miners who spend their days refreshing the bitcoin Reddit page—are more interested in the applications that can be built on bitcoin’s “block chain,” the currency’s foundational backbone, than they are in bitcoin as a monetary system. The block chain allows the secure exchange of any form of value between two entities.
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。”

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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2013 Rank: 14


单词embrace 联想记忆:

The US president-elect has pledged to abandon trade agreements which could have wide-reaching effects on American imports and exports of commodities if trade agreements are revised.
5. Google Webmaster Tools.
Led by Letv, Anbang and Eastmoney, 26 newcomers are on the list; 70 percent are privately held. Mi was the fastest riser, with its value shooting up fivefold year-on-year, to come in at $7.3 billion, followed by TCL and Huawei.

影片直接来自真实的Bling Ring帮,2008年,他们10个月的赃物飚升了300万美元。电影列出的所有名人都是这个团伙真实的受害者。团伙成员声称,是社会对这些名人私生活的痴迷鼓励了他们。无论动机如何,《炫富帮》都很好地提醒了人们,要时不时与媒体拉开距离。
'It doesn't have carbs, fat or protein so it won't provide calories, unlike sprinkles which have sugar. It's mostly for decoration. It's tasteless,' said registered dietician Alix Turoff.

或许纯粹是巧合,但Magento首位产品经理蒂姆o舒尔茨也刚刚加入Bigcommerce,出任产品管理高级副总裁。舒尔茨近年来担任谷歌Shopping Express、Wallet等服务的战略合伙和商业发展高管,未来将专注于Bigcommerce的一站式体验,将电子商务和实体零售更好地结合起来。“消费者想要无缝化体验,”他说。
中国最近正在进行大规模的经济改革。 2013年11月15日,中国推出了一系列以市场经济为导向的社会和经济上的改革政策,在一些国有经济中引入了私有经济参与和国际竞争。同时一胎化政策放松,为中国和中国人民带来了更多的机会,激发了希望和梦想。
然而,夏威夷航空公司公共关系高级专家休伊·沃(Huy Vo)说,占据该公司半数以上航线的短途航班实际上运营并不容易。他表示,“我们的地理位置确实给我们带来了优势,也给我们带来了短途航线。不过,这些短途航线最难保持准时到达,因为飞行距离很短,航班在地面的停留时间也短,因此任何延误都会难以弥补。”

Brands with the most incentive to coast in 2015:Jeep, which must be exhausted after lifting sales an astonishing 44% on the back of the new Cherokee, and Subaru, now the 10th most popular brand in America after improving its sales by 21% in its usual fashion: quietly.
The report said there were now 594 dollar billionaires in China, putting China ahead of the United States' 535. However, none of China's super-rich make it into the global top 20.

It seems safe to predict lots more noise and very little progress for the rest of 2017. And that will continue to be a damaging combination for business and the UK economy.
The residents of the Hankou Binjiang estate had been moved out weeks before.

The Fed last month laid out a timetable to slow the pace of its bond purchases throughout the year. The central bank, which had been soaking up $85 billion a month in Treasurys and mortgage-backed securities since late 2012, plans to reduce the pace of purchases by $10 billion at each meeting until it is no longer buying bonds at year-end.
Jeanie Buss's decision to finally dump Jim Buss—a man with none of the skills required to be a quality executive and years of floundering moves to his name—makes the Lakers clear winners all by itself.
皮卡大战:如果把得奖的问题抛在一边,福特的全铝皮卡生产起来很不容易,卖得也比较慢,这就为快速崛起的道奇公羊(Dodge Ram)1500提供了机会。同时,日产也试图忘掉该公司第一款全尺寸皮卡,也就是采用双拖斗造型的第二代Titan皮卡的失利。汽车业老将约翰o克拉福西克向《汽车新闻》透露了这个行业的最大秘密:在5万美元以上的市场区间,平价品牌的皮卡和SUV的销量要超过德系豪华品牌。

However, you know when your cycles are over when the washer and dryer stop making noise. And you know when the weather is ugly by simply looking outside, or checking your weather app. Therefore, the product is basically just another way hackers can get into your home.
实际上,去年新出炉的炒鱿鱼委婉用语(euphemisms for firing people)跟往年的产量差不多。Infosys宣称“井然有序地实现了一次3000人的人员递减”。Upworthy,一家规模不大的媒体公司,在解雇了14名员工后竟然大言不惭地称这是一次“投资性裁员”。反言之,2016年最极品的行话体现出的不是失败,而是兴奋过头。
Coca-Cola cut its sales forecast for this year as it struggles with a consumer slowdown in China, sending the drinks group’s shares down more than 3 per cent.

此次涵盖95个项目(去年为90个)的排行榜中,来自7个国家的9所院校为首次进入榜单。排名第41位的法兰克福金融管理学院(Frankfurt School of Finance & Management)是今年排名最高的新入榜者。这家德国学院拥有性别比例最平衡的项目之一,女性占学员总数的49%。
This umbrella protects your dogs from the sun and rain.