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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

市场低迷房子难卖 房企自建团队卖房

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 质量监督万里行活动启动 暴露木制品行业五大痼疾 the quarantine period, and its counterpart organizations do so abroad, all in concert with the World Health Organization.

这位微软公司创始人的净资产是860亿美元,而一年前则是750亿美元。
Those with 3-years of driving experience and no records of traffic accident crimes, dangerous driving, drugs or drink driving will be allowed to take examinations for online-driving services.

Leading actress Sun Li played Zhou in the drama. Despite her age, Sun, who was born in 1982, still successfully presented a lovely and innocent teenage Zhou in the eyes of many audience members.

The US has overtaken India as the leading user of anti-dumping and other trade defence cases, with China and its steel sector the biggest target, according to research.
8.你把简历留在了该死的打印机里!
A devastating financial crisis led business owners and corporate executives to be especially wary about adding staff or investing in new equipment. Some worry about risks from Washington or overseas. Others are seeing consumers maintain their slow-but-steady spending, providing little incentive to deploy their cash stockpiles.
中国的商业银行是金融体系的控制中心,为实体经济提供的融资占总量的近70%。
不过,漫长的收缩期也符合正在放缓的中国经济的总体趋势。
就业是经济发展的基础,是财富增长的来源,也是居民收入的主渠道。
Up to 10,000 copies of the film - a comedy about a fictional CIA plot to assassinate North Korean leader Kim Jong-Un - and 500,000 political leaflets are scheduled for a balloon-launch around 26 March.
3.3M公司

"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

新的计划生育政策将会一定程度地刺激生育率。2014年将会有2百万新生儿童。这意味着1年就产生了15%的增长,这将会在未来进一步增强消费者信心。
单词intelligence 联想记忆:

3.4 以创新引领实体经济转型升级
为什么这么说呢?只需想想最高法院对同性婚姻问题做出裁决之后人们越来越强烈的怒火,想想人们围绕堕胎、奥巴马医改、枪支管制、食品券、共和党州长新推的选民压制等问题越来越强烈的怒火,另外还有保守派和茶党顽固不化,力争推翻一切立法并加强财政紧缩。
而诺贝尔物理学奖则颁给了三位生于英国、目前正在美国工作的科学家,肯定了他们对极端状态下物质的特异属性所做的原子级研究。
n. 奖章,勋章,纪念章

如果你觉得现在的杜兰特骨瘦如柴,那你得瞧瞧他在蒙特罗斯基督教会学校时的瘦弱身板。
8.出租车司机
6.癌症死亡率
1.无论在什么情况下都不要问出租车司机,对于今年夏天伦敦的奥运会有多么激动。不是说他会勉强或尴尬地发表个人意见,而是你根本就不该问这个问题。
虽然有17%的毕业生将创业列为同等最重要的原因,但他们中只有2%的人将此视为自己唯一主要的目标。然而,学员身上的创业精神明显在增强,超过四分之一的毕业生(26%)称在就读EMBA期间或毕业后创办了自己的公司。

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

Please accept my sincere wishes for the New Year. I hope you will continue to enjoy good health.
出境旅游超过1.2亿人次;

CDC

To SKN Company in Russia for exploding old Russian ammunition and creating diamonds. Now that's recycling!
在经历了长达几十年的许诺后,新的基因疗法终于开始有了一些真实的好成果。不过就像所有的新型疗法一样,基因疗法需要向公众准确地传递如何治疗以及治疗背后的原理,这和疗法本身一样具有挑战性。

Also important to EMBA entrepreneurs was the support of their school and alumni network. About three-quarters of entrepreneurs thought that both the school and their alumni network were helpful or very helpful when setting up their company. “Alumni support was key to getting the idea vetted and getting the right contacts needed for the business”, said one.
4.Thank you so much! I just love it! – Because telling someone that their gift sucked would make me look like an insensitive jerk。
The pear-shaped diamond named The Blue is 13.22 carats is estimated to be worth between $21-$25 million.
单词slew 联想记忆:

糟糕的婚姻会导致早逝
Kim, it's so simple and entry-level Finishing School stuff: keep knees and ankles together and swivel.
5.电子烟
根据中国海关的数据,10月铁矿石进口量较上月环比下降12.3%,同比下降4.9%,而煤炭进口环比下降21.4%,同比下降30.7%。

1.take hard classes
vt. 安慰,使
5. "Dexter" (3.1 million)
We took further steps to implement the Internet Plus action plan and the national big data strategy.
4、慧眼识香。邦德眼光敏锐,能辨认出孰敌孰友。这种品质常见于性开放者。007很容易识出对他有意的女人,有科学证明,帅哥往往擅长于此。

单词adamant 联想记忆:
第二场比赛将于10月8日在上海的梅赛德斯-奔驰文化中心举行。
The prize sold for far more than the gallery's estimate of $50,000 to $100,000. The only other Nobel Peace Prize known to have sold at auction was a 1903 medal that brought nearly $17,000 in 1985.
世界卫生组织宣布寨卡构成国际关注的公共卫生紧急事件
Not because I am happy to see the end of what was one of television’s smartest series, a pioneer of what is now generally accepted as the current golden age of small-screen serials.

A record 27,817 civil service jobs are being offered this year by central government departments and subsidiaries.
Gitanjali因为拿下了本次最高奖项,从而获得了一笔2.5万美元的奖金。
But I don't think you can say that to us anymore. Are we even on your list of priorities? My father always says "You are what you do, not what you say." 但我不能再相信这样的话了,孩子们还是你们的优选名单吗?我爸爸总是说:“听其言,观其行,是认识一个人最好的方法”。
我们也不希望打贸易战。我们坚持人民币汇率形成机制的改革,保持了人民币汇率在合理均衡水平上的基本稳定。

肥皂剧通常都在电视收视排行榜上位居前列,但2012最流行的电视节目是英国广播电台儿童节目《麦克小骑士》,它打败了美国惊悚电视剧《国土安全》和真人秀节目《Towie》。
4. "The Big Bang Theory" (3.4 million)
The theory describes Type B individuals as a contrast to those of Type A. Type B personality, by definition, are noted to live at lower stress levels. They typically work steadily, and may enjoy achievement, although they have a greater tendency to disregard physical or mental stress when they do not achieve.
组建或加入一个学习小组
[ri'vi?in]
今年时装周预计在今年9月14日至18日举行,在此之前,由歌手帕洛玛费斯撰写并由善待动物组织出版的公开信中呼吁伦敦时装周和英国时装协会禁止动物皮草的使用。

WTF.1: Next Level of Working Moms
3.The Andrea Yates Trial Inspired Desperate Housewives
我知道你们中很多人在公司里曾经找到过自己的前任。但是,这不是放之四海皆准的规律。搞办公室恋情可能会对你产生不好的影响。

I do not see much evidence that radical “managerless” models such as “Holacracy” will catch on. But more companies will realise that if they constantly test innovative ways forward — as start-ups do — they will be more flexible and decisive than old-style bureaucracies and meritocracies.
泰勒·斯威夫特和凯蒂·佩里选择了两种样式完全不同的极为诱人的礼服。泰勒选择了一款能够展现她修长身材的传统好莱坞式、迷人的古希腊风格的露背礼服,而凯蒂则穿着一件更短的、更有活力的礼服,每个地方都露了一点。
Kendall's earnings more than doubled from 2016's $10 million total, making her the biggest dollar gainer on the ranking.
5. 生活就像一个茶几,上面摆满了杯具和餐具。(杯具是“悲剧”的同音词,餐具是“惨剧”的同音词。)
本文为与《创业者》杂志的合作内容。下文最初发表于Entrepreneur.com。