11. (4.0分) The development of COVID-19 vaccine had ___(take) a lot of effort. 相关知识点: 试题来源: 解析 taken 该题考查过去完成时,表示在过去某一时间之前已经完成的动作。句子中 "had" 是过去完成时的标志,因此需要填入 "take" 的过去分词形式 "taken",表示 COVID-19 疫苗的研发在过去已经付...
COVID-19 Vaccine Videos Should You Still Get Vaccinated If You Already Had COVID-19?Hide Video Transcript Video Transcript [MUSIC PLAYING] JOHN WHYTE So what do you do? If you've got COVID, do you still need to get vaccinated? The answer is yes. And here's why. If you had ...
Credit: Pixabay/CC0 Public Domain Q: I already had COVID-19 and recovered. Why should I get the vaccine when my body is already immune to it now? Ad A: When someone has had an infection, and the body has producedantibodiesas a result, this is called "natural immunity." But early e...
A recent COVID-19 infection could put a person a bit farther back in line for the vaccine, however. "It is true that those who had a recent infection—within 90 days—should be behind those who hadn't," Adalja said, noting recommendations from the Vaccine Advisory Committee for the U....
Most of your parents have had a COVID-19 vaccine(疫苗). Now it is your turn. Many cities across China, including Beijing and Xiamen, now provide(提供)vaccines for children 3-11 years old. How much do you know about the vaccines? Are the vaccines for children different from the adults ...
Why I had a COVID-19 vaccine when my turn came | InSight+ Posted byketaminhApril 12, 2021Posted inFOAMEd, Interviews of interesting peopleTags:covid19 One of the most significant individual contributions that most of us can make to the lives and security of all the members of our ...
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 elsewhe...
Do I need to quarantine if I've had the vaccine? If you are fully vaccinated against COVID-19, and you've been exposed to someone who is sick, the CDC now says you no longer have to quarantine. Fully vaccinated means that at least two weeks have passed since you've received the sec...
In the case of Covid-19, one of the worst pandemics of the last century, policymakers were similarly required to take desperate measures. Upon the eruption of the disease, epidemiologists told us it would spread exponentially, possibly killing millions. In the absence of a vaccine, the only ...
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 ...