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COVID-19 Nasal Swab Test Does Not Cause Risk of Infection


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你如何知道你需要喝水了?这有一系列的诱因:嘴唇发干、头晕、头痛、尿量低和口渴。然而,这种智能瓶能在你的身体意识到缺水前就提醒你。
It replaces strollers and big backpack carriers that might even make it heavier or cumbersome for you to take your children out.
“伦敦商学院拥有优秀的学员群体,国籍非常多样化,具有竞争力和聪明才智,”一位2012级的美国毕业学员评论道:“它也给了我无需参加单纯聚焦美国的美国MBA课程就能(通过交换)在美国学习的机会。”

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To help control the spread of COVID-19, the Centers for Disease Control and Prevention has recommended getting a COVID-19 test for people who show symptoms of the disease, have come into contact with someone known to have the disease, or are in vulnerable groups. 

The most common form of testing for the novel coronavirus involves the use of a nasopharyngeal, or nasal, swab. The swab reaches deep into the back of a person’s nose and mouth to collect cells and fluids from the upper respiratory system, which can then be checked with diagnostic tests for the presence of the novel coronavirus known as SARS-CoV-2.

The testing procedure involves inserting a 6-inch-long swab into the cavity between the nose and mouth for 15 seconds and rotating it several times. The swabbing is repeated on the other side. The swab is then inserted into a container and sent to a lab for testing.

Dr. Shawn Nasseri, an ear, nose and throat surgeon based in Beverly Hills who has conducted many COVID-19 swab tests, told us in an email that the nasal swab “follows the floor of the nose and goes to where the nose meets the throat, or naso-pharynx.”

Asked if the swab test is safe, Nasseri said, “Absolutely. The biggest risk is discomfort. The rare person — 1 in thousands — passes out from being super sensitive or gets a mild nosebleed. It’s estimated that close to 40 million or more swabs have been performed safely in the U.S. alone.”

But in recent weeks, viral posts on Facebook falsely claim that the nasal swab test can cause serious health issues. One post says, “The stick deep into the nose causes damage to the hamato-encephalic barrier and damages endocrine glands. This test creates an entrance to the brain for every infection.”

The hamato-encephalic barrier, also known as the “blood-brain barrier,” protects the brain from toxins that could be present in the blood.

Dr. Yvonne Maldonado, a professor of epidemiology at the Stanford University School of Medicine, told us in an email that the Facebook claim “is not true.”

Copestake said the return of Tokyo to top of the list came as no great surprise as the Japanese capital had steep real estate costs and rents, as well as high wages fuelling prices.
Skin has the thankless job of coating and protecting your whole body, making it your most easily damaged organ. When you burn or rip off a stretch of skin, your main option right now is to graft some back on from elsewhere on your body. But an effective synthetic replacement skin may not be that far off, thanks to research from Stanford scientists.

Nasseri said that “it is incredibly implausible, if not impossible, to cross the skull base and blood-brain barrier with a swab unless someone uses a rigid metal instrument and is pointing the metal object 90 degrees in the wrong direction.”

Dr. Morgan Katz, an infectious disease expert at Johns Hopkins University, told the Associated Press that the Facebook posts misunderstand what’s happening when the swab test is performed.

It is not all bad news for buyers: Prices will still head north next year, but the pace will likely slow from a sprint to a saunter. “Prices can’t just keep going up, up, up on this steep climb,” said Pamela Liebman, the chief executive officer of Corcoran. “Buyers get a little fatigued.”
New York's inactivity begs two questions. Does Jackson have the energy needed to undo the damage he's created during his tenure?
L2研究总监科林o吉尔伯特表示,这一系列合作标志着创新的摇篮与时尚的发源地终于开始牵手。吉尔伯特说,要解决可穿戴领域的难题,缺少的不仅仅是设计这一种要素,但设计确实是这个领域期待的元素。这份报告的调查显示,超过一半的受访者希望拥有看上去更像珠宝的可穿戴设备,62%的受访者更喜欢腕戴式设备。

Editor’s note: FactCheck.org is one of several organizations working with Facebook to debunk misinformation shared on social media. Our previous stories can be found here.

Sources

Centers for Disease Control and Prevention. 有了超材料 童话将变成现实 Accessed Aug 3 2020.

Brueck, Hilary and Samantha Lee. “v. 挖隧道,挖地道 Business Insider. 15 Apr 2020. 

Dr. Shawn Nasseri.  Ear, nose and throat surgeon. Email exchange with FactCheck.org. 3 Aug 2020.

Dr. Yvonne Maldonado. Professor of epidemiology, Stanford University School of Medicine. Email exchange with FactCheck.org. 3 Aug 2020.

Fauzia, Miriam. “The company advises consumers or businesses using any of the passwords on the list to change them immediately. Splashdata warned that even passwords with common substitutions like "dr4mat1c" can be vulnerable to attackers' increasingly sophisticated technology. USA Today. 9 July 2020.

Marty, Francisco M., et al. 短期内部分城市房价停涨或下跌态势仍将延续 New England Journal of Medicine. 28 May 2020.

Swenson, Ali. 据英国《卫报》报道,在去年的伦敦时装周期间,有250名反皮草抗议者,2月份的玛丽卡特兰佐秀场也受到了抗议者激烈的抵制。 Associated Press. 7 Jul 2020.

UCDavis Health. 盘点家具圈2016年一季度重大事件 Accessed 3 Aug 2020.

University of Queensland, Australia. 楼市调整牵动下游 专家:四季度经济冲击或更强 Accessed Aug 3 2020.

U.S. National Library of Medicine, National Institutes of Health. “The Blood-Brain Barrier.” Accessed Aug. 4, 2020.