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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

朗诗加速布局美国市场

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 天津人才新政6天落户5800余人 the quarantine period, and its counterpart organizations do so abroad, all in concert with the World Health Organization.

Boston Consulting Group could also be poised to make a change given its managing partner, Richard Lesser, is due to come to the end of his second term in October. His future is unclear, however, as the firm declined to comment on its election process or how many terms its leader can serve.
你可以点击此处浏览全部的假新闻,这里列出的是排名前五的假新闻:

Despite the breakthrough, Jack Ma, chairman of Alibaba Group, said there was no need for human beings to fear machines.

2013年排名:1
单词strengthen 联想记忆:
Are you often irritable?
本榜单另一个荣誉推荐的是《明日帝国》的主题曲。
commercial
Qatar University claimed the most international institution, marking the first time a Middle Eastern university has topped the list.
比蒂和唐纳薇上台宣布最佳影片奖时,卡利南和瑞兹意识到他们手里还有两只最佳影片信封,也就是说,拿上台的信封是已经宣布过的奖项。
If you want a refrigerator with a screen, might as well just stick an iPad on it. Samsung unveiled a smart refrigerator this summer that connects to wi-fi to help manage groceries and leave notes behind for family members.

"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

该报告还指出,那些在经济衰退期间不得已裁减支持型岗位的公司,也会“补充新人,以帮助各部门提高效率,提升生产力水平。”对于求职者而言,这一趋势无疑预示着一个美好的新年。
The magazine put his net worth at $3.5 billion, down $1 billion from the rankings it issued a year ago.

Rolling ahead with a team that's .500 through November isn't at all tanking — this is seriously a potential playoff team — but it's the same type of conversation the rebuilding squads are having. Leverage assets and playing time to win more now, or stay focused on sustainability?
"It became an issue about so many things, such as the environment, energy, workplace disasters and the role of big government. It became a lightning rodfor peoples' anxieties," she explained.
In short, the period was so far like the present period, that some of its noisiest authorities insisted on its being received, for good or for evil, in the superlative degree of comparison only.
这份刊登在圣保罗报上的调查结果显示,在周六巴西和智利的比赛中,67%的现场观众称自己是白人,而90%的观众来自巴西两大顶尖经济阶层,约占全国人口的15%。

n. 插曲,一段情节,片段,轶事
9.触屏
'It's been low for a while, says Lee (last year it was ranked 196 out of 200). 'What probably pushed it to the bottom is that several things got worse job prospects decreased, the average salary continued to fall, and work hours continued to rise. Those factors also make the job more stressful.'
贝拉是该榜单上最年轻的模特,她上个月刚满21岁。
中国房价在今年初曾以9.6%的同比增速快速上涨,但此后随着经济放缓以及很多中等规模城市遭遇房产供应过剩,房价一直在下跌。

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

As a brand, Acura sold 167,843 cars and trucks last year, a 1.5% increase. Lexus, Toyota’s premium brand, was up 13.7%; BMW was up 9.8%, Audi was up 15.2% and Mercedes-Benz was up 6.5% in a U.S. market that was very favorable for luxury vehicle manufacturers.
中国2017年GDP增长预期目标为“6.5%左右”。

CDC

adv. 最初,开头
Rated 6.4 points out of 10 on the review website, some users said the drama focused too much on romance.

华盛顿(市场观查者)—美国经济2014年迎来了自二战后最曲折的复苏而且年末能源方面又遇到了大的波折,但是2015年美国经济将披荆斩棘变得更好。
4、Tardiness
TV soaps regularly top the TV ratings but the highest trending show of 2012 was the BBC kids' show 'Mike The Knight' that beat US terror drama 'Homeland' and 'Towie.'
Key projected targets for development this year:

Data from the Ministry of Industry and Information Technology showed the production of new-energy vehicles last month surged by 144 percent year-on-year to 16,100 units, and the output of fully electric passenger vehicles tripled from the same period last year, reaching 7,952 units in January. Official data showed that 97 percent of new-energy vehicles produced in January would be eligible for favorable taxation policies.
n. 粉底霜,基
She emotes with some of Pink's husky attitude and some of Sia's theatrical so-over-it-ness, but she's a warmer singer than either, whether shrugging off a lover on the self-explanatory "IDGAF" or matching Miguel's intensity on the steamy "Lost in Your Light."
supervision

deputy
今年,竞争最激烈的职位--中国民主同盟中央委员会接待处--有大约10000人参与竞争。
It is not unusual for the documented wealth of China’s richest people to surge suddenly — or even for previously unknown tycoons to burst into prominence — as stock exchange listings and other public investments thrust them into the spotlight.
在美国发起反倾销案件比在欧盟容易得多。在欧盟,企业必须先通过公众利益测试。
(传说中的中心对称!!!!)不过Illuminati的对称文已经遗失,下面的对称文是Dan Brown在写《天使与魔鬼》的时候找朋友设计的。 就《天使与魔鬼》一书描述,尽管很多人怀疑该组织的真实性,但光照派的确存在,至今如此,并且已经渗入了当今各个领域,尤其是很多共济会成员都在其中。

I was waiting for you to bring up the Nets’ situation, so fine, I'll do it here. Jeremy Lin's been out for weeks with a hamstring injury. They're the only team tanking correctly and they're not actually tanking!
该世界大学学术排名主要考核六个客观指标,包括校友和员工赢得诺贝尔奖的数量和奖牌、高度援引研究人员的数量、发表在《自然》和《科学》期刊上的文章数量、科学引文索引收录的文章数量以及师均学术表现。
怎么做煎饼?
读:游艇
Throughout Downsizing, I kept asking myself what the point of all of this was, never engaged by its hodgepodge of themes. I wish the filmmakers had asked that question too.

节目13 歌曲《嫦娥》,李玉刚 景海鹏 刘旺 刘洋
We will weave a strong safety net to ensure people's wellbeing.
Beijing targets consumer prices inflation at 3.5 per cent, but weakening growth is keeping prices benign.
She created a whole world around the device -- one populated by humans, a whale in a top hat and dragons.

v. 操作,运转,经营,动手术
Twenty years of global negotiations aimed at slowing the growth of heat-trapping emissions have yielded little progress. However, 2014 saw signs of large-scale political mobilization on the issue, as more than 300,000 people marched in New York City in September, and tens of thousands more took to the streets in other cities around the world.
At least 10 students lost their chance to attend Harvard College after posting "obscene memes" to a private Facebook chat, the main Harvard student newspaper reported.
11月份以美元计算的中国出口和进口额都增加了,此前它们经历了两个月的收缩,而且这一增长是在上月美国总统选举后美元升值背景下实现的。
The announcement comes from the British Fashion Council (BFC), who surveyed designers ahead of the shows and found none of the 80 designers in the September line-up would be using fur.
9.The Bling Ring

单词capacity 联想记忆:
9. Add Personality
一位著名神经学家的遗作引发的争议

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.
Watching Under the Skin again brought to mind another comparison: Orson Welles – the Welles who succeeded in creating a hoax martian invasion on the radio and who, in F for Fake (1975), got his partner Oja Kodar to walk around the streets in a miniskirt, secretly filming the lascivious expressions of the non-actor guys looking at her.
8.My resume is 5 pages long for a good reason. – Because I’m darn good at bullshittin’!
6. “Taxi”(Jafar Panahi)
6) I find it hard to start a conversation 0 1 2 3 4