Why Do We Need A New Flu Shot Every Year?

Why Do We Need A New Flu Shot Every Year?

0
0
17700 days ago, 2933 views

Health and Fitness

New flu vaccines are released every year to keep up with rapidly adapting flu viruses. Because flu viruses evolve so quickly, last year's vaccine may not protect you from this year's viruses. After vaccination, your immune system produces antibodies that will protect you from the vaccine viruses.

1000 chars left
No comments found.