A 48-year-old male asked:
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are there any studies that show how much better your immunity against next year's flu can be, if you happen to catch the flu this year?

1 doctor answer
Dr. Jaiprakash Thakor Jairam
Specializes in Healthcare Professional
Flu jab: Hi.A new flu vaccine is developed each year generally because the flu virus itself keeps changing.Hence immunity from last year unlikely to help against this years "new"virus.If immunity could be developed you would not require a new vaccine every year.Not every cold,runny nose ,cough is a flu.Too many people confuse general viral infections with flu.
Answered on Feb 7, 2019
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