The CDC recommends that people age 6 months or older receiveflu vaccinations, which is effective for about six months, by late October. The vaccine is effective for about six months so if you get vaccinated too early there is a chance your immunity might wane. Certain children may need a b...
4. According to the passage, which of the following is TRUE? A. All Americans are persuaded not to get vaccinated this year. B. The big problem in innovating flu vaccine producing technique is how to grow virus in a new way. C. More flu vaccines cannot be produced in a short time be...
This year's flu(流行性感冒) season is shaping upto be a bad one.The new type of flu virus is more severethan most In addition many people find the vaccine(疫苗) this year to be less effective, and others are wonder-ing if they should still get a flu shot.The answer is yes.Each ...
Read the full-text online article and more details about "Flu Vaccine Is Due This Week ; Virus's Presence Worries Officials" by Greaney, Tj - Columbia Daily Tribune (Columbia, MO), October 7, 2009By GreaneyTj
This year's flu season is pretty scary. To try to minimize the effects, public officials are still urging anyone who hasn't yet gotten their flu shot to get one as soon as possible. However, even if every single person got a shot in the arm, the vaccine(疫苗)--- with its excellent...
This year’s flu season is shaping up to be a bad one. The new type of flu virus is more severe than most. In addition many people find the vaccine this year to be less effective, and others are wondering if they should still get a flu shot. The answer is yes. Each summer, scien...
Most illnesses this winter have been caused by a nasty kind of flu called Type A H3N2. The vaccine was only 25 percent effective against that type. It was more effective against influenza B and an H1N1 strain, but those viruses were less prevalent this year. ...
百度试题 结果1 题目—Is there any vaccine(疫苗) against H1N1 flu that can be used on humans? —No, but scientists are working to develop ___ . A. that B. it C. one D. so 相关知识点: 试题来源: 解析 C 反馈 收藏
【题文】--- The research on the new bird flu virus vaccine is challenging and demanding. Who do you think can do the job?---___ my students have a try? A. Shall B. Must C. Will D. May. 相关知识点: 试题来源: 解析 【答案】A. 【解析】试题分析:考查情态动词:shall用于第一、三...
百度试题 结果1 题目The flu vaccine is an injection that helps to protect against ___.相关知识点: 试题来源: 解析 influenza 反馈 收藏