A 29-year-old male asked:
Is the flu shot still effective in the off season (summer)/temporary, or forever for those strains that imune sys learns?
forgot to get it in winter.
1 doctor answer • 1 doctor weighed in
Internal Medicine 25 years experience
Actually forever.: Fact is, the flu vaccine you receive in a given season will afford you lifetime protection against the strains of flu that are in that vaccine. The annual requirement is not because the shot wares off, but rather the strains we need to address change every year.
1.7k viewsAnswered >2 years ago
Last updated Jan 16, 2016
Connect with a U.S. board-certified doctor by text or video anytime, anywhere.
24/7 visits - just $39!
50% off with $15/month membership
Content on HealthTap (including answers) should not be used for medical advice, diagnosis, or treatment, and interactions on HealthTap do not create a doctor-patient relationship. Never disregard or delay professional medical advice in person because of anything on HealthTap. Call your doctor or 911 if you think you may have a medical emergency.