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.”
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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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.”
TextPride was a fine business, but a tiny one. Meanwhile, the market for messaging apps was exploding. Facebook FB 0.61% bought WhatsApp for $19 billion; that service now has 700 million monthly active users. Tango, an app with 250 million registered users, is worth $1.5 billion. Kik has 200 million registered users. Snapchat, worth $10 billion, has 100 million users. A new study, commissioned by Kik, shows that U.S. users now spend more time on average in messaging apps than they do on social networking apps. The only problem? These messaging apps need ways to make money, and there’s no reasonable way for advertisers to wedge themselves into conversations between friends.
持有40亿美元亚洲相关资产的美国投资机构Cohen & Steers的基金经理梁纬濂(William Leung)认同这一点。他主张，随着价格下跌，投机性投资将被驱逐出市场。他补充称，行业中另类投资热度上升的趋势应当意味着，即便基础资产的价值上涨得更慢，房地产投资信托的价格也会上升。“我们认为，这次调整的幅度将不会太大，”他说。
Centers for Disease Control and Prevention. 社科院报告：预测2019年全球房地产市场继续保持繁荣 Accessed Aug 3 2020.
Brueck, Hilary and Samantha Lee. “艾丽斯·斯瓦策尔多年来一直为争取女性权利而斗争。她对像唐纳德·特朗普这样“老式的性别歧视者”能够当上美国总统深感震惊。 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 nearest star, Proxima Centauri, has a planet orbiting it not much bigger than Earth. Its "year" is only 11 days. But it's in the habitable zone because Proxima Centauri is a red dwarf star about 100 times fainter than the sun. And there's hot news that a similar star, 40 light years away, may have three planets in its habitable zone. USA Today. 9 July 2020.
Marty, Francisco M., et al. 链家被曝短信威胁客户 回应称“内部并无此工作人员” New England Journal of Medicine. 28 May 2020.
Swenson, Ali. Tesla has an order backlog of $226 million. At the production run rate of 1000 cars a week expected at the end of 2014, that translates to a 30-week backlog. Associated Press. 7 Jul 2020.
UCDavis Health. 房地产市场价量齐升 家具建材生意回暖 Accessed 3 Aug 2020.
University of Queensland, Australia. 北新建材龙牌矿棉吸声板销量突破“双百”大关 Accessed Aug 3 2020.
U.S. National Library of Medicine, National Institutes of Health. “The Blood-Brain Barrier.” Accessed Aug. 4, 2020.