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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

金融街:资管业务亮点纷呈

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 中国建材行业一周大事记(3.28-4.1) the quarantine period, and its counterpart organizations do so abroad, all in concert with the World Health Organization.

n. 改革,改良
根据康奈尔大学、英士国际商学院和世界知识产权组织联合发布的这一份报告,这使得中国成为中等收入经济体中该指标的领先者,紧随其后的是已经超过巴西的印度。

“A hiring manager was reading the wrong person’s resume.”

萨姆·史密斯《痛快感受》
7. Am I working too hard? Taking time to re-charge and spend time on activities that make you happy is so important. Honor your desire to pull back from work or school pressure when needed and give yourself time to breathe, even if it’s only for a few minutes at a time.
排名榜单前10的富人中有4人--马化腾,马云,丁磊(中国游戏开发商网易首席执行官),雷军(智能手机制造商小米创始人)来自TMT(电讯、媒体和技术)领域。
声明中说:“我们真诚地向《月光男孩》剧组、《爱乐之城》剧组、沃伦?比蒂、费?唐纳薇和奥斯卡颁奖礼观众致歉,因为在宣布最佳影片环节中我们出了纰漏。”
单词conservative 联想记忆:
谈到乌克兰,普京再次否认俄罗斯军队在东乌克兰境内活动。那里的亲俄罗斯分离主义运动正在与乌克兰政府军作战。但是他说,莫斯科从未否认有人在那里开展属于“军事领域”的行动。他还说,俄罗斯没有制裁乌克兰的计划,但不会让乌克兰享受优惠贸易待遇。
Wang Chunfa, executive secretary of the China Association for Science and Technology, has expressed deep concern over the retraction, which came just days after he met in Beijing with Arnout Jacobs, the head of Springer Nature for Greater China.
帕拉莫尔《欢笑过后》

"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

WTF.1: Next Level of Working Moms
For the fifth year in a row the city-state's Changi Airport has been named "world's best airport" at the annual Skytrax World Airport Awards.

北方高等商学院毕业生的平均薪酬水平为10.5万美元,排名第11位,而斯隆毕业生为14.36万美元。他们的薪资增幅为79%,排名第七。
13. iPhone 提醒
根据中国海关总署(General Administration of Customs)的数据,在经历了此前一个月的同比下跌1.4%之后,11月份中国的进口同比增长6.7%,至1522亿美元,远高于同比收缩1.9%的预测中值。
plane

The China-US relationship is crucial not just to the two countries themselves, but also to regional and global peace, security, and stability. Hence we must work together to continuously take it forward.
Summly的两位员工将迁至雅虎的加利福尼亚州总部,但就目前而言,达洛伊西奥抵挡住了硅谷的诱惑。
Framing the ’80s
约瑟夫?斯蒂格利茨(Joseph Stiglitz)等诺贝尔经济学奖得主、比尔?麦吉本(Bill McKibben)等环保活动人士、乔治?索罗斯(George Soros)及新经济思维研究所(Institute for New Economic Thinking)、阿尔?戈尔(Al Gore)和其他现代思想家全都提醒我们,传统经济学家(以及他们效力的银行、企业和政府机构)都已对坏的经济学理论成瘾,他们在破坏美国的未来。
I am here to speak for the countless animals dying across this planet because they have nowhere left to go. We cannot afford to be not heard. 我为这个行星上无数正在垂死的动物而演讲,因为它们几乎已经无处容身了。

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

4.意大利威尼斯
“我想,在21世纪,人们绝对会质疑这件事。”

CDC

19. 前进直至消失。昆汀·塔伦蒂诺(Quentin Trantino)用70毫米胶片拍摄了新片《八恶人》(The Hateful Eight),这部影片将在将近100家影院上映,它们和全国大多数影院一样,通常使用数码放映。不管你对塔伦蒂诺有何看法,你都应该去影院看《八恶人》,这样你就可以自己看看,这个行业被迫转向数码,对电影究竟产生了多大的影响。
Democracy is at bottom a civilised form of civil war.

9.微笑
每个月,梦工厂(DreamWorks)的员工都能收到价值25美元的消费券,可在位于格伦代尔和雷德伍德城园区的“梦工厂打印中心”消费。由于只收取原材料费用,该工作室能以低价向员工提供各类服务,例如在贺卡上打印照片、制作个性化日历等。
北弗罗里达大学的一个有趣的实验证明光脚跑步比穿鞋跑步更能提高记忆力。和那些在实验室和室内坐在桌子边进行的试验不同,在这个实验中,研究人员们引入了一些有趣的观点来探索提高记忆力的奥秘。实验的研究对象为“工作记忆”,即人们加工信息和回顾生活细节的能力。科学家们发现,光脚跑步比起穿鞋跑步来说,可以对记忆力产生轻微的提高。在试验中,年龄为18-44周岁的参与者们被要求跑两轮,一次穿鞋,一次不穿鞋。
The Nobel Prize in chemistry was awarded to a scientist who managed to build the world’s tiniest machines out of molecules.

总部位于广东的房地产开发企业碧桂园集团现年35岁的女继承人杨惠妍以485亿元的身家紧随其后。
3.1 用改革的办法深入推进“三去一降一补”。
Effective bosses must be effective decision makers. He or she cannot vacillate over every tiny decision. Being able to make decisions quickly and decisively — and then take responsibility for the outcome (see number 2) — is an important business skill, especially when managing others。
英国气象办公室哈德莱中心(UK Met Office's Hadley Centre)气候监测与分析的负责人彼得斯托特(Peter Stott)表示,人为造成的气候变化是升温的罪魁祸首,导致世界进入“未知领域”。哈德莱中心发布的研究报告也印证了美国研究人员的分析结果。

Back in the movie wasteland of last January, no one could have guessed what a bounty of good films the year would bring. Not just good films, but several that measure up to our idealized notions of what the medium once was. Two candidates for the top of the heap pretty much chose themselves. For sheer entertainment, the clear call is 'American Hustle,' David O. Russell's joyous celebration of 1970s-era con artists and their intricate cons. For innovation-a new theatrical experience born of new technology-'Gravity' whirls in its own orbit. With the understanding that there's nothing to be said against 'American Hustle,' and everything to recommend this screwball comedy for the ages, I think 'Gravity' is the best movie of the year.
Zhou Qunfei from Lens Technology, the major touchscreen maker, ranks third on the list with a net worth of 45 billion yuan.
The TV drama is not based on a novel but the story of a real businesswoman Zhou Ying. Born in the Qing Dynasty (1644-1911), Zhou was the richest female entrepreneur in Shaanxi province at that time.
Judge for yourself.
Adding a plant is beneficial, as nature is a subconscious link to energy. An orchid or bamboo plant is easy to maintain, while providing a refreshing element to your space.

不过目前来看,这些潜在的乌云似乎都没有遮住特斯拉在帕洛阿尔托总部的阳光。特斯拉仍然坚持在2020年之前年产50万辆汽车的中期目标。这在很大程度上要取决于Model X是否有能力维持当前的势头。特斯拉已经大大提高了资本和研发支出,以确保Model X的顺利发布(虽然已经推迟了一年)。
美国人:对于你们来说,干脆装成是加拿大人好了。英国人很难判断你们之间的区别,这样你们就可以避免卷入到关于死刑的尴尬谈话中了。
Amazon founder Jeff Bezos rose to No. 3 on the list for the first time, thanks to the jump in in Amazon shares, which boosted his net worth to $72.8 billion.
4.《佐罗的面具》
stir

近日,英国《金融时报》披露了中国北方很多地区例行公布的关于国内生产总值(GDP)的虚假数据。在那些地区,可靠的替代证据表明,地方政府“抹平”了经济增长数字。他们人为地推高了2012年至2016年期间的增长数字,掩盖了真实的低迷期,去年又掩盖了真正的复苏。
This year the list features nine heads of state who run nations with a combined GDP of $11.8 trillion — including the No. 1 Power Woman, German Chancellor Angela Merkel. The 24 corporate CEOs control $893 billion in annual revenues, and 16 of the women here founded their own companies, including two of the three new billionaires to the list, Tory Burch and Spanx’s Sara Blakely. Speaking of, this year’s class has 14 billionaires valued in excess of $82 billion.
We learned that nothing brings people together like the sun hiding behind the moon.
The .40-calibre Smith & Wesson that killed her, a semi-automatic handgun, was seized by police to undergo ballistics testing to determine if it had been used in other crimes.

黄金市场可能会对美元以及美国加息的前景着迷。但还有一个因素正在逼近:金矿供应下降。
But researchers this year came up with a new method that makes flexible, realistic ears out of real cells. Those cells come from rats and cows, and they form a collagen gel that can take the shape of any mold. When placed in a mold of a human ear—a mold assembled using a 3-D printer—the gel forms an ear in less than an hour. The artificial ear then just needs a few days growing in nutrients before it's ready to be implanted in a subject.
2016年上榜的全球十亿美元级富豪共计1810名,位居次席的是Zara创始人阿曼西奥·奥特加,商界巨擘沃伦·巴菲特紧随其后,埃卢则是位居本榜单的第四名。
同时,根据这一最新调查显示,2015年我国男女比例的差距也有所缩小。从性别构成看,男女人口性别比例已由2010年的105.2降至去年的105.02。
《经济学人》的数据显示,在2010年,亚洲的整形手术总量超过了580万例,而在美国这个数字仅为450万多一点。
根据世界黄金协会(World Gold Council)的数据,自2008年以来全球黄金供应每年都增长,这一增长在去年陷入停滞。作为世界最大的黄金生产国,去年中国的黄金供应创纪录地下降9%,这是自1980年来中国的黄金产出第二次下降。

别了,唐(Don)和他完美的西服;别了,佩姬(Peggy)和她的格子裙;别了,琼(Joan)和她的珠光宝气以及紧身连衣裙。
expansion
['l?sti?]

2) I Trust Your Judgment: Translation: “You have my permission. I believe in you. Now, go make it happen.” Feels pretty uplifting to hear that, doesn’t it? And I’ll bet you’d do almost anything to please someone who makes you feel that way. Your employees and peers are no different.
至少在城市大部分人能去上班是不可能的,这将影响多个行业,包括金融、广告、医疗保健和艺术。近两天城市的交通线路、桥梁、隧道都瘫痪了,在最新的报告中,地铁到下周可能会正常运作。
尽管随着租赁成本的上升和失业率的下降,薪酬最终会会上升;商人们将会在招聘劳动力上付出更多的成本而且还有可能由于缺乏员工以增加产量而导致销售量下降的风险。
"某时,世界呈现给我们是相互分隔的,但是这些电影和电视作品让我们感觉世界是相通的,"美国电影学院的总裁兼首席执行官Bob Gazzale如是说。"美国电影学院奖表彰这些电影艺术家们,勇于挑战,让我们受到鼓舞,娱乐,又励志,最后让我们意识到,我们都有着同样的心跳,"
As for bitcoin in the mainstream banking system? “We are still a good year away, in our estimation, from where you can imagine a known financial services company using this,” Ludwin says. “But it’s not 10 years. And when it happens, people will be surprised by how quickly it spreads.”