2017nba勇士夺冠纪录片:英语讨论,急用

来源:百度文库 编辑:神马品牌网 时间:2024/04/29 06:59:56
1,How do vaccines work? Do vaccines always cause antibodies?
2,Do people get the fiu from receiving the fiu vaccine?
3,If one has already had flu this year,should he need to take the vaccination again now?
随便回答哪一题都可以,最好用英语回答,详细点。

1,How do vaccines work? Do vaccines always cause antibodies?
Answer:i don't know how does it work,but vaccine not often cause antibodies.

2,Do people get the fiu from receiving the fiu vaccine?
Answer:no,because the flu vaccine protect humans body, but if you used too many or you used it for a long time,the flu will have antibodies, so you need a new type of flu vaccine.

3,If one has already had flu this year,should he need to take the vaccination again now?
Answer:not yet,because the flu vaccine can resisted for some year, but the flu will have antibodies when the flu vaccine lose efficacy.