I got a very severe case of the flu every single winter from kindergarten thru my 2nd year of college. That last winter was the winter of 1983-84. I have NOT had the flu since than and have had ZERO flu shots....and never will get one. That’s 35 flu-free years.
I often wonder if I built up an immunity to the most common types after getting it for so many years?
I do take lots of vitamin D3 the last decade - especially when around lots of people.
If you got sick that many times, you probably DO have a built in immunity to many of the combination. But you should get a shot as a booster.
It’s important to remember, the flu is not a bad cold. Many people make that mistake. (I am not saying YOU—I don’t know you. I am addrsssing the general population.)
The flu will knock you down for at least a week. Down, in bed, and miserable. It’s a respiratory disease—not a stomach illness. If you miss a couple of days at work...you did not have the flu.