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A Project of The Annenberg Public Policy Center

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


Quick Take

The reading represented a fall of 0.4 points from September and a sub-index on output for the gauge, which primarily tracks larger and state-owned enterprises, fell 1.3 points to 53.4. That for new orders dipped 1.9 points to 52.9.
adj. 社会的,社交的
Set over one summer, the film follows precocious 6-year-old Moonee as she courts mischief and adventure with her ragtag playmates and bonds with her rebellious but caring mother, all while living in the shadows of Disney World.

Full Story

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.”

[si'lebriti]
Death may be behind the ritual of the critic’s top 10 lists, including that of physical media: Lists are easy to read on cellphones even if the deluge of entertainment media increasingly makes comprehensive viewing near-impossible. More than 900 movies will have opened in New York by the end of this year, many slipping in and out of theaters quickly and racing toward on-demand oblivion. Even so, I watched several hundred features over the year and liked quite a few; the major studios and the independent sector released the expected junk but, as usual, movies of merit. What follows are my favorite moving pictures of 2015 and another 10 miscellaneous notes on the year.

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.

在西方国家更新、更广泛的国民身份认同里,白人们也有自己的一席之地。但是除非他们接受这一点,“白”的危机仍会持续存在下去。
凸起那部分有个“涡卷饰品”——(古埃及碑上)在王和神的名字周围的椭圆形装饰。考古学家在上面发现有眼镜蛇一只眼的符号。
Adriana Lima sizzled in red, while Alessandra Ambrosio looked amazing just months after giving birth.

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. 2014年LED照明产值达1788亿元 今年渗透率突破30% Accessed Aug 3 2020.

Brueck, Hilary and Samantha Lee. “Mr Lam predicts that any recovery in the market will rely on appetite from cash-rich companies from mainland China, with foreign investors restricting their investments to real estate investment trusts or stocks exposed to developers, rather than actual property. 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. ““一般人很难发现你们在做什么,但是你的异常却很容易被经理们捕捉到。”凯说。许多情况下,你漫不经心,或者如凯描述得那样:“精神完全不在状态。”或许你过去常常积极参与会议,但是你现在沉默了。或许你没有过去做得多了。或许你不再对你要做的案子感兴趣了。 USA Today. 9 July 2020.

Marty, Francisco M., et al. 证监会人士:鼓励通过并购重组支持新经济、新产业发展 New England Journal of Medicine. 28 May 2020.

Swenson, Ali. popul人民+ation→人口 Associated Press. 7 Jul 2020.

UCDavis Health. 习近平主持召开中央财经委员会第四次会议 Accessed 3 Aug 2020.

University of Queensland, Australia. 公安部:要常态化排查化解社区农村矛盾纠纷 Accessed Aug 3 2020.

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