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


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这一现象值得注意。巴西是个多种族国家,黑人占总人口比例位居世界第二,仅低于尼日利亚。在2010年的人口普查中,超过一半的巴西人认为自己是黑人或混血儿。
Then in 2011, her mother Melissa was signed up to appeared as part of the Lifetime reality series Dance Moms.
与此同时,微信恐怕也是腾讯吸引海外用户潜力最大的产品。Forrester的分析师Bryan Wang说,他看到新加坡、印度的同事和朋友也开始出现在了自己的微信好友列表中。

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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.”

So take a look. I sincerely hope you enjoy reading them as much as I liked selecting and editing them.
“现在黑客使用流行文化或体育活动中的常见说法来破解网上账户,因为他们知道很多人在使用这些容易记住的词做密码。”

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.

n. 委员会,委托,委任,佣金,犯罪
Even though we are apart, you are in my heart this season.千山万水,隔不断我在佳节对你的思念。
单词pandemic 联想记忆:

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. 解析卫浴行业8大销售渠道 Accessed Aug 3 2020.

Brueck, Hilary and Samantha Lee. “该制品有一个扁平基座,于2009年发掘自江苏西部盱眙县古墓,一直保存在江苏省省会的南京博物馆。 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. “Rank: 2 USA Today. 9 July 2020.

Marty, Francisco M., et al. “链家”到穗 分析称房地产中介市场竞争将加剧 New England Journal of Medicine. 28 May 2020.

Swenson, Ali. 2. Worldwide Murders Associated Press. 7 Jul 2020.

UCDavis Health. 住宅拟以套内使用面积交易 专家:5年内落地可能很小 Accessed 3 Aug 2020.

University of Queensland, Australia. 廊坊多个“花语城”项目规避限购 Accessed Aug 3 2020.

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