Health
The flu shot lasts for about 6 months: Here’s when it starts working and why it may get less effective as time goes on – Business Insider Australia
The flu shot lasts for about six months after you receive it. This should protect you through all of the flu season, from October through March.
- The flu shot lasts for about six months after you receive it.
- However, it takes about two weeks for it to become effective after you’ve gotten it because your body is building up an immune response.
- Also, according to recent research, the flu shot decreases in efficacy by about 16% every 28 days, so it may get less effective as time goes on.
- This article was medically reviewed by Jason R. McKnight, MD, MS, a family medicine physician and clinical assistant professor at Texas A&M College of Medicine….
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