post-acute covid-19 syndromeThe article presents the discussion on symptoms of post–COVID-19 condition or long COVID resolve or improve with time, some people continue to experience symptoms after 2 years.doi:10.1001/jama.2023.16677EmilyHarris...
“As families start to move indoors this fall and begin spending time with their loved ones, both very old and very young, they will once again have the opportunity to order up to four newCOVID-19 testsfree of charge, and have them sent directly to their homes,” said Dawn O’Connell,...
【答案】B 【详解】 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。before 在...以前, 引导时间状语从句;since 由于,引导原因状语从句; although 尽管,引导让步状语从句;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。 反馈 收藏...
【小题4】 根据"What's more, it is free!"可知,打疫苗是免费的。故填No, we needn't./we don't have to. 【小题5】 本文主要介绍了防止新冠肺炎病毒传播的几条建议。故填Somerules forustofollowduringthe COVID -19 epidemic. 反馈 收藏 ...
Roberto Cauda, professor of infectious diseases of Universita Cattolica del Sacro Cuore in Milan, Italy said that a vaccine passport is essentially a "COVID health certificate" which includes proof that a person has been vaccinated, or other important information regarding their COVID statu...
In December, the White House released another batch of four free at-home COVID-19 tests per household. If you haven't claimed them yet, you can still get them shipped to you courtesy of the United States Postal Service.
Since the initial phase of the epidemic, China has been counting the deaths of patients whose nucleic acid test results were positive as COVID-19 related deaths, Jiao said. The criterion, she said, is basically in line with standards adopted by the World Health Organization and major countries...
【题目】请根据短文内容及首字母提示,填写所缺单词。The COVID-19 virus is still spreading around the world. It hangs over all of us. But some good n___81___ about vaccines for COVID-19 is bringing us closer to ending this temble pandemic.China will s 82 to vaccmate high-risk groups...
解析 B 句意:由于新型冠状病毒仍在快速传播,接种疫苗是非常必要的。before在……之前;since由于;although尽管;unless除非。根据“ the COVID-19 is still spreading rapidly, getting a vaccine(疫苗) is quite necessary”可知,“新型冠状病毒仍在快速传播”是接种疫苗的原因,用since引导原因状语从句,故选B。
Studies have shown that while the Omicron variant is weaker, the number of deaths caused by Omicron is greater than that of Delta because it spreads quickly and infects a large number of people. This means the impact of the Omicron variant has not diminished the dangers of COVID, Wu explai...