More than 15 million Americans have been infected by the COVID-19 virus, and many may be questioning whether they need to receive one of the two coronavirus vaccines now on the verge of approval from U.S. regulators.
Can I travel after getting the COVID-19 vaccine? You should probably still avoid travelling for a while.When you travel,it's harder to control the environment,so you may still be at a risk of getting or spreading COVID-19,it's probably better to stay close to home...
MONDAY, April 5, 2021 (HealthDay News) -- A new U.S. study offers more evidence that a single dose of a two-dose COVID-19 vaccine may provide enough protection to people who've previously been infected with the coronavirus. "Our findings extend those from smaller studies reported elsewh...
根据文章第二段“The US stated its own COVID-19 vaccine rollout nationwide on Dec 14Xinhua reported(据新华社报道,12月14日,美国开始在全国范围内推广新型冠状病毒疫苗,)”可知,美国从12月14日开始接种新型冠状病毒疫苗。故选日【5题详解】细节理解题。根据文章第四段“This means that those who work in...
The COVID vaccine rollout is underway, with Australians lining up to get their jabs. But what if you have already had COVID-19? Is it still a good idea to get vaccinated? Although natural exposure to thevirusstimulates immunity, we don't yet know how long this immunity will last. And ...
【导语】 本文介绍了3—11岁孩子打新冠疫苗时的事项。 (1)题详解: 句意:中国许多城市现在为11—16岁的儿童提供疫苗。根据Many cities across China, including Beijing and Xiamen, now provide(提供)vaccines for children 3-11 years old.可知中国许多城市现在为3—11岁的儿童提供疫苗,故答案为F。 (2)题详...
We know that if you already had COVID-19, you build up antibodies against the virus. So do the vaccines affect you if you’ve already had COVID-19? Science writer Roxanne Khamsi talks about recent studies showing that a single dose of vaccine could boost immunity for former COVID-19 ...
根据文章第二段第二句 "It will make sure that all members get the vaccine in the future.(它将确保所有成员在未来得到疫苗。)" ,可知设立COVAX是为了开发COVID-19疫苗。故答案为A。 (2) 主旨大意题。根据第二段第三句 "When a vaccine is proven to be safe and effective, all countries in ...
Investigators argue that their findings suggest that a public health campaign touting the benefits of a COVID-19 vaccine had better begin as soon as possible. Like today.
A. unless B. because C. while 相关知识点: 试题来源: 解析 B 考查连词辨析。句意:他之所以接种COVID-19疫苗,是因为他下个月将在国外工作。A.unless除非;B.because因为;C.while当……的时候。根据句意可知,本空应填because。故选:B。反馈 收藏 ...