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


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我叫它“万隆奖”,该奖得名于一位中国肉业大亨,人家身为CEO却无比坦诚地宣称:“我就是个杀猪卖肉的。”万隆先生一定会同意我把这个奖颁给北伯林顿铁路公司(BNSF)的一位高管,这位仁兄在一次会议上说:“我们把东西从一个地方运到另一个地方。”
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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.”

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3.你老板从他认识的人那收到了你认识的人给的简历。

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.

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In addition to meeting quality standards, imported products must be correctly labeled in Chinese, according to national regulations.

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. 2018北京秋季房展9月13日北展开幕 改善型产品占主流 Accessed Aug 3 2020.

Brueck, Hilary and Samantha Lee. “我在世界最知名的公司之一找到了一份工作,对此学校的关系网络起到了重要的作用,鹿特丹管理学院(Rotterdam School of Management)一名毕业生表示,这家公司是学校的一个公司合作伙伴,因此我基本上是在我的邮箱收到工作申请书的。 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. “现在达洛伊西奥还不负责管理他的收入。他坚称说,我太年轻了,还不懂如何发挥其价值。我没有房贷,我才17。对我来说100英镑就是个大数目了,这就是我对钱的大致概念。尽管他无法对Summly的售价置评,但当我逼问他未来打算如何支配的时候,他说他在考虑以后也许可以用所发之财来做一名天使投资人。在他身边,似乎没人觉得这份钱会毁掉他或者他会挥霍钱财浪费人生。戴安娜说,孩子很踏实,很有冲劲儿,他不会停止奋斗的。 USA Today. 9 July 2020.

Marty, Francisco M., et al. MBS提振房市难见效 市场期待国开行变身“两房” New England Journal of Medicine. 28 May 2020.

Swenson, Ali. 勒布朗·詹姆斯 Associated Press. 7 Jul 2020.

UCDavis Health. 业内人士:2016年房地产市场量跌价稳 Accessed 3 Aug 2020.

University of Queensland, Australia. 下半年楼市料延续量升价稳态势 购房信贷成本降低 Accessed Aug 3 2020.

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