据Retraction Watch网站统计,COVID-19论文撤稿已经多达253篇,这一数字还在不断上涨中。 The Lancet主编Richard Horton一针见血地指出这些COVID-19论文“有一部分是没有参考价值的,比如预印本论文”(Some of the material that’s been...
If someone in your house gets infected with the COVID -19, how can you stay safe? The following tips can help you.Clean your hands often.Keep apart and separate.Keep your hands clean and away from your Stay at least 2 meters away from the infected person. If possible, have face. Avoi...
If people around you have had a fever recently, it may not be COVID-19. According to China Daily, many places in China have entered into the peak (高峰) period for seasonal (季节性的) flu. Influenza A (甲流) is sweeping across the country. To protect ourselves, it is useful to kn...
As health providers worldwide respond to the COVID-19 pandemic, clinicians and communities are asking questions about who will be given access to scarce healthcare resources. While resource allocation decision-making frameworks have been developed, or adapted, to govern the unprecedented impacts of ...
在期刊享受“新冠”红利的同时,很难让人忽视的是为COVID-19论文“开后门”快速发表带来的弊端。论文质量禁不住推敲,大量论文撤稿,上至The Lancet、NEJM,下至预印本medRxiv、bioRxiv,无一幸免。这些撤稿论文中不乏曾经被美国前总统特朗普神化的新冠特效“神药”羟氯喹有关的明星论文。
As COVID-19 lockdowns begin to ease across Europe, there has been a surge in people anxious for what the future holds. /CFP "And I think the time aspect of it, the minute you put pressure on yourself to feel better by certain time is when it gets even harder ...
解析 答案见上【详解】句意:如果我们家的老人感染了新冠肺炎,我们应该做什么?由if引导的条件状 语从句时态“主将从现”规则可知,从句中使用一般现在时,主语是the old“老人”,由于“the+ 形容词”表示一类人,属于集合名词,谓语动词用复数,故使用动词原形。故填have。 反馈 收藏 ...
解析 答案见上46. have 【详解】句意:如果我们家的老人感染了新冠肺炎,我们应该做什么?由if引导的条件状语从句时态“主 将从现"规则可知,从句中使用一般现在时,主语是the old“老人”,由于“the+形容词"表示一类人,属于集 合名词,谓语动词用复数,故使用动词原形。故填have。
COVID-19患者的粪便中富含可引起菌血症的机会性致病菌,如哈氏梭菌(Clostridium hathewayi)、肠杆菌科(Enterobacteriaceae)、肠球菌(Enterococcus)、粘性放线菌(Actinomyces viscosus)和Bacteroides nordii。即使在SARS-CoV-2感染被清除或痊愈后,肠道生态失调仍然存在。肠道真菌和病毒群构成肠道微生物群的一部分,在应对...
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