This is untrue and a misunderstanding of mRNA science. With the spike protein now being taught to the body, any illness that could infect you with a spike in a similar formation will be recognized. That's a huge, amazing step forward in medicine. Also, the science directly shows that the vaccine -is- effective against multiple variants. This isn't the flu. https://www.the-scientist.com/news-opinion/covid-19-mrna-vaccines-appear-effective-against-multiple-variants-68746#:~:text=COVID%2D19%20mRNA%20Vaccines%20Appear,Variants%20%7C%20The%20Scientist%20Magazine%C2%AE