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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

楼市库存下滑 一线城市楼市延续供小于求

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 10万亿?央妈放水 涂料企业或能起死回生 the quarantine period, and its counterpart organizations do so abroad, all in concert with the World Health Organization.

中国富人近年来对岛屿表现出越来越浓厚的兴趣。
中国的旅游业官员正力图在2014年扭转入境游客减少的情况,专家认为,如果能对其过时的旅行团进行改进并降低票价,这一计划就有可能实现。

cap容纳+acity表名词,“有…倾向”→容量;能力

Yes. There are plenty of positives: earnings, economic growth, and US tax cuts. But they are already known. Stocks look ridiculously expensive by historical standards, but that tells us nothing about short-term moves. Ultimately, it comes down to liquidity, which has driven markets since they emerged from the crisis in 2009. If all goes according to plan, central banks will be decreasing their balance sheets, and removing liquidity, by the end of 2018. If they go through with this, the odds are that the S&P will stall. But even a tiny tremor could make the bankers blink. Expect the momentum to continue.
Amy Kazmin
He added that “almost every major Korean company, including Hyundai Motor and AmorePacific, relies heavily on Chinese sales”.
Make your classes your highest priority.
单词designer 联想记忆:
During last year's LFW, there were 250 anti-fur protesters, The Guardian reported, and a show in February saw an activist storm the stage at a Mary Katrantzou show.
Inclusive and green finance
8) Let Me Think About That: Yeah, it sounds like a cop out. And it is…sometimes. Fact is, we don’t always have the authority or expertise to make decisions. This phrase buys you time and breathing space. Then, set a date and time for follow up so the other person knows you’re taking him serious.

"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

一部富有感染力的、描写一名年轻黑人男同性恋成长故事的影片《月光男孩》(Moonlight),获得2017年奥斯卡(Oscar)最佳影片奖。不过,该片险些与此奖项擦肩而过,原因是在混乱的颁奖现场,此奖项曾被误颁给了《爱乐之城》(La La Land)。
它基于针对各商学院及其2013年毕业的学员的调查。

毫不奇怪,信贷具有“助周期性”。当资产价格一片繁荣时,乐观的贷款机构倾向于发放更多贷款,进而加剧市场的狂欢。当资产价格下跌时,贷款机构会控制风险,有时这种做法会加速下跌。
10月中国出口同比下降6.9%,较上月3.7%的降幅有所恶化。疲弱的全球需求和中国成本上涨导致过去10年期间从中国大量流向世界的廉价商品减少。
2016年,担忧和愤怒主导了英国和美国这两个最重要、稳定、悠久的民主政体的政治情绪。
拯救非洲癌症患者

年龄:44岁
苹果(Apple)正面临着市值跳水的窘境,苹果股价从去年9月至今已下跌了35%。众多卖方分析师纷纷献计献策,现在甚至有人建议苹果推出廉价iPhone。摩根士丹利(Morgan Stanley)公司的凯蒂?休伯蒂对中国这一全球最大的智能手机市场进行了分析,并给大家算了一笔账。
Supporting Actress in a Mini-Series or Movie: Regina King, “American Crime”
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.
But a friend saw a TV report about it and contacted the sorting office. Mr Siddeeq, 74, says he is still eager to read it, despite now being divorced。

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

领导层
今年,全球2000强企业来自62个国家,比起2003的首届排行榜的46个国家数量上升了。这些企业总共创造了38万亿美元的营收及3万亿美元的利润,总资产达161万亿美元,总市值则达到44万亿美元。

CDC

On Aug 21, the country came to a pause as millions of Americans — even the president — put on eclipse glasses and stopped to take in the first eclipse to cross the United States since 1918. Its path across the United States was a scientific bonanza for astronomers who were able to more easily point advanced equipment at the sun.
Although foreign trade accounts for a greater share of the economy than ever, the United States is still more insulated than virtually every major competitor in Europe and Asia. Such everyday purchases as haircuts, dry cleaning, financial advice and eating out are virtually immune from foreign competition.

"Under the leadership of the CPC Central Committee, we'll broaden judicial cooperation with relevant countries so that there will be no 'safe heaven' for corrupt fugitives," said La Yifan, director of the CCDI's International Cooperation Department.
[nju:'tris]
In 2012, Google introduced Google Glass, a computer you can wear on your face. Someone wearing the glasses can be walking down the street or doing any everyday task while simultaneously seeing an overlay of calendar appointments, messages, and subway alerts. They can make video calls and even upload live videos to the Internet while on the move, without ever needing to use their hands. Google Glass might be cool, it might be new, it might be revolutionary, but it's definitely not the first pair of wearable computer glasses.
答:其实我并不怎么关心作品火不火的,就是专注于自己的作品而已。每次我关注的就是要怎样用最好地推进剧情而已。我关注的是行为和故事,不是受欢迎程度。

Although it looked like the mobile patent wars might cool off after several settlements late in 2014, this year kicked off with a skirmish between Apple and Ericsson over patent royalties related to wireless communications. BlackBerry used to be pretty litigious: It even took on celebrity Ryan Seacrest over its keyboard! But these days it is more focused on trying to convince smartphone buyers that its technology is cool again. Or at least relevant.
1961年11月9日,扬妮克?里德在南安普顿大学上空骑着一辆形状非常像飞机的自行车——世界上第一辆会飞的自行车诞生了。这辆自行车被称为南安普顿大学的人力飞机(塞桑普顿大学号)。为使自行车飞离地面,德里克刚开始猛烈地踩脚踏板,然后自行车在离地面1.8米(6英尺)的高处飞行,最终飞行了64米(210英尺)。即使飞行速度很缓慢,飞行距离也很短,但这仍是第一辆会飞的自行车,同时,也是第一辆"人力飞车"。
随着我国对稳定经济的新驱动力的投资增加,2016年我国的科技研究与试验发展经费达1.57万亿元,增长10.6%,是2014年以来最快的年增速。
The Harry Potter star Emma Watson hold fifth position in the list of ten most beautiful women of 2015. The English actress, model, and activist, Watson took the top spot on the AskMen “Top 99 Outstanding Women 2015″ list and at number 26 on the TIME 100 list of the world's most influential people.

西门子(Siemens)去年破纪录了,通过将医疗部更名为Healthineers一举斩获两项大奖。该公司不仅因为将两个单词生拼硬造出另一个无比蹩脚的新词从而荣获“马丁?卢克斯奖”(Martin Lukes prize),同时还凭借现场视频中一位倾情演唱的CEO和身着氨纶紧身衣卖力献舞的员工们,摘得史上最尴尬企业歌曲的金牌。
7. Viceroy's House
2016年最不智能的9种智能产品
除了要符合质量标准之外,进口商品还必须按中国规定正确标注。
昨日发布的新数据是对2015年全球贸易图景的第一张快照。但在这些数据发布之际,有越来越多的人担心2016年对全球经济而言将比此前预期的更为危机四伏。

Tumor Biology, a journal published by Springer Nature, announced last week that it had retracted the papers after an investigation showed the peer review process had been compromised.
The inclusion of three turbodiesel engines this year could be considered controversial, especially as diesels remain far less popular in the U.S. than in Europe, where they tend to dominate the discussion. This is the first year in which more than two diesel-powered mills made the top 10 list and ironically two of them come from domestic automakers, including the only current full-size domestic half-ton pickup to offer one, the Ram 1500.
周二在上海举办的中国国际机器人产业发展高峰论坛称,2017年,工业机器人的销量和增速均创新高。在这些工业机器人当中,有37825台为国产制造,同比增长29.8%。
Take targeted policies to cut excess urban real estate inventory
The story of the year will be the New York City trial of Khalid Sheik Mohammed.

在第三场也是最后一场总统候选人辩论中,奥巴马就外交政策发起攻势,一再指责罗姆尼在重大国际问题上的立场不坚定,但未能给他对手迅速崛起的竞选活动一个致命打击。
In a bid to curb capital outflows and ease downward pressure on the renminbi, Chinese regulators have imposed a series of new restrictions on outbound dealmaking in recent months. The new curbs came after outbound investment in non-financial assets surged by 44 per cent in 2016 to a record $170bn.
确认发现近地宜居行星
May the beauty and joy of New Year remain with you throughout the new year!

After her legal travails , anything Kesha released would have a veneer of triumph. But this comeback set was an artistic warrior cry more potent than any might've expected.
4. HHhH
If Dwyane Wade lost 30 pounds of muscle, you wouldn't be able to tell him apart from the high school version of himself.
Further, 32 out of the 50 new selected female billionaires started their businesses from scratch.
斗转星移关我何事?我的癖好才最重要。
The King’s Woman

The term was first devised by psychologist Johan Denollet from Tilburg University who created a quiz to identify a type D personality.
以我所有的爱心与真诚祝你及全家圣诞快乐。
I wish you a happy New Year. All affection and best wishes to you and yours.

价值增长最快的品牌
Here, a quick peek at Power Women 2013:
巴韦贾同意这一结论,他指出,韩国和另一个大宗商品净进口国印度,都是成品油的出口国。以美元计算,这些成品油的价值今年应会上升。
最佳电影提名应该可以肯定。参演《至暗时刻》的加里?奥德曼是最佳男主角的最热人选,如果说有谁能击败他的话,那可能就是蒂莫西?柴勒梅德了。
1. “暂时没有名字的泡沫”引发30年来的最大规模崩盘