31.C 根据第一段 Vaccines(疫苗) help keep you healthy.和 The vaccines are made from microorganism(微生物) that causes the illness.可知, 选 C。 32.D But this vaccine won't protect you once the virus has changed. That's why you'll have to get a new one before the flu season hits ...
根据文章第一段“Vaccines (疫苗) help keep you healthy.”及“The vaccines are made from bacteria (细菌) that causes the illness.”可知,疫苗是由造成疾病的细菌制成的,可以帮助人们保持健康。故选C。 (2)题详解: 细节理解题。根据文章第三段“But this vaccine won’t protect you once (一旦) the...
that is what they will do. It's all about trial and error." Most viral diseases, he says, require live-attenuated vaccines, but the vast majority of bacterial illnesses are prevented with inactivated vaccines. There are
that is what they will do. It's all about trial and error." Most viral diseases, he says, require live-attenuated vaccines, but the vast majority of bacterial illnesses are prevented with inactivated vaccines. There are
In the very next lecture we were told it was necessary, for inducing immunity to virus diseases, to use an attenuated live virus vaccine capable of causing infection and that such immunity could not be induced by a so-called "killed" or non-replicating virus vaccine. To me, it seemed ...
根据第一段Vaccines(疫苗) help keep you healthy.How do vaccines help you keep healthy?The vaccines are made from microorganism(微生物) that causes the illness.(疫苗有助于保持健康。疫苗如何帮助你保持健康?疫苗是由引起疾病的微生物制成的。)可知,疫苗是可以帮助我们保持健康的微生物。故选C。(2)细节...
)45.(D).阅读理解cines (疫苗) help you keep healthy. How do vaccines help you keep heahhy? The vaccines are第一节 m bacteri a (细菌) that causes the illness. A little bit of bacteri a isn't enough to make you sick. But it圭答案。th to make your immune system(免疫系统) sc...
Although vaccines are the safe choice for many people, some may not be able to be vaccinated. One of the ways we can protect those who can’t receive a vaccine is through what’s known as herd immunity. It’s one of the buzz words you may have seen in relation to managing the CO...
Leveraging the potential of vaccines Although vaccines could help protect more people from infectious disease and reduce resistance, they remain a broadly underused tool in getting ahead of AMR. This is due to factors such as lack of access, insufficient data on the impact of vaccines aga...
Have you ever wondered how people are able to develop immunity to specific diseases? This important question has been the focus of many critical medical and immunological research endeavors. The answer is that it’s all due to the cells and antibodies of the adaptive immune system. ...