Question

According to the CDC, is the flu vaccine safe and effective?

Answer 1

Answer:

Yeah ig its safe but sometime people have reactions to it me personally its never been a problem butt its better than catching the flu

Explanation:

Answer 2

Answer:

any vaccine effectiveness can vary, recent studies show that flu vaccination reduces the risk of flu illness by between 40% and 60% among the overall population during seasons when most circulating flu viruses are well matched to the flu vaccine.

Explanation:

this is right i had to to a test and a whole lesson over this. ^^^^ that all is from my notes!