Scientific American is part of Springer Nature, which owns or has commercial relations with thousands of scientific publications (many of them can be found at www.springernature.com/us). Scientific American maintains a strict policy of editorial independence in reporting developments in science to our...
Q: What is COVID-19? What are its characteristics? A: Our experience in epidemic control is accumulated through time. So far, what we have learned from this disease is that it is not as dangerous as SARS, assuming the patients are given the best treatment. SARS had a mortality rate of...
Thirdly, in before someone raises the argument from the perspective of athletes’ wellbeing – it’s worth noting that the reckless “going-ahead-as-scheduled” promulgated by the foolhardy, could well pose long-term health risks and harms for the athletes involved. Long COVID is a thing. ...
Anatoly - How do you arrive at the conclusion that China did the impossible and stopped Covid when the data coming out of China appears rather untrustworthy? China’s problem with truth in statistics is particularly acute. Zenzei says: December 22, 2022 Gary Dvorchak: Esteem for the Cent...
As we move into a second summer living with thecoronavirus, we continue to learn more about how to protect ourselves and our community against a disease that hascaused nearly 600,000 deathsin the US. Prevention is still our best tactic against COVID-19, and right now, the best thing you...
1China has an essential role in COVID vaccine(疫苗) The whole world is facing a terrible pandemic. COVID-19 may not be the most fatal virus of all time, but due to its extremely infectious nature it 1 (affect) the whole world. Lifestyles, habits, traditions and customs have changed due...
四COVID-19 is still affecting a great many people all over the world. Most people who becomeinfected experience mild illness and recover, but it can be more severe for others. Take care ofyour health and protect others by doing the following:1 Regularly and thoroughly clean your hands with...
(1)C.根据前句"By now,millions of people have gotten COVID-19 vaccines.到目前为止,数百万人已经接种了新冠疫苗。"可知说的是疫苗,结合选项,应说那么,我们为什么需要疫苗呢?故选C。(2)A.根据前句"When a germ(病菌)enters the body,the immune system starts working by producing antibodies(抗体).当...
1The COVID-19 virus is still spreading around the world. It hangs over all of us. But some good n 1 about vaccines(疫苗)for COVID-19 is bringing us closer to ending this terrible pandemic.China will s 2 to vaccinate high-risk(高风险)groups over the winter. This means that those who...
句意:由于 COVID-19 仍在迅速传播,接种疫苗是非常必要的。 考查连词辨析。 A. before 在……以前,引导时间状语从句; B. since 由于,引导原因状语从句; C. although 尽管,引导让步状语从句; D. unless 除非,引导条件状语从句。 分析语境可知,前半句是一个原因状语从句,空处表示“由于”。 故选:B。结果...