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Which has been thoroughly debunked by the scientific community. "Food and Chemical Toxicology" is not a respected journal, and most famously published the "GMO foods cause cancer" paper that ended up being retracted.
Here is a good video on why the author is a quack: https://www.youtube.com/watch?v=YwoRsj7AE7A
The link you provided is just a standard vaccine efficacy over time study using data from Sweden. These are a dime a dozen and all show two things: 1) you are less likely to die when vaccinated, and 2) immune response reduces over time so you need boosters.
Rockland County from the article.