The effectiveness of the flu vaccine is studied each year. It varies a lot depending on which strains are most prevalent and how closely they match that year’s

The effectiveness of the flu vaccine is studied each year. It varies a lot depending on which strains are most prevalent and how closely they match that year’s vaccine, but it’s typically around 50%. You say you’re not taking an anti-vax stance, but when you discount scientific evidence in favor of your own anecdotes and make up theories about vaccines not containing what they say, that’s exactly what you’re doing.