解析 54. We need to get a flu vaccine every year because A. we probably have a cold in winter B. the flu virus changes every few years C. the flu is very dangerous D. you don't need to take any medicine after that 反馈 收藏 ...
答案:A解析:文章明确提到 “The flu virus change a little every year. The vaccine you got last year won't help you fight this season's virus.”(流感病毒每年都会有一点变化。你去年接种的疫苗无法帮助你对抗本季的病毒),这就是人们每年都要接种流感疫苗的原因,所以答案是 A。答案:B解析:文章提到 “...
Precisely because this protective effect is not permanent, it is recommended to get a flu vaccine every year. picture source: bigstock The time and duration of the annual peak of influenza activity in various parts of China are different, and in order t...
Learn about influenza (flu) symptoms, treatment with antiviral drugs, flu shot side effects, and prevention during flu season. Discover when to get the flu vaccine, how long the flu lasts, the contagious period, flu types, and how it spreads.
Everyone 6 months of age and older should get a flu vaccine every year before flu activity begins in their community. CDC recommends getting vaccinated by the end of October, if possible. 6月龄或以上人群应在每年流感开始流行前在各自的社区接种流感疫苗。美国疾控中心建议如有可能,尽量在10月底接种疫...
题目 Be))54. We need to get a flu vaccine every year because ___ A.we probably have a cold in winter B the flu virus changes every few years C the flu is very dangerous D. you don't need to take any medicine after that 相关知识点: 试题来源: 解析 答案见上 反馈 收藏 ...
根据第四段“so you don’t have to make a new vaccine every year”(因此,不必每年制造一款新疫苗。)及“The research suggests a potential strategy for developing a universal flu vaccine”(这项研究为普及流感疫苗的发展提供了潜在的策略)可知,这项研究指明了普及流感疫苗的方向,故选C项。 (4)题详解:...
Because there are many different flu viruses and they are constantly changing. The influenza strains circulating every year are not exactly the same, therefore, WHO provides new composition for flu vaccine manufacturing. This is why we...
Almost everyone 6 months old and older should get a flu vaccine every year. Some people are more at risk of getting very sick from complications of the flu than others. These groups should be sure to get a flu shot each year: Children, especially from 6 months to 5 years old Pregnant ...
Myth #5: Getting the influenza vaccine every year will weaken the immune system. Since you are exposing the body to the virus, the immune system will respond to it and in fact it will be stronger since it will better prepared once a live influenza virus has entered the body. ...