“The vaccine side effects from COVID-19 vaccines are generally the same as with other vaccines except for the rare episodes of myocarditis in young men which can be circumvented by increasing the duration between doses,” said Dr. Monica Gandhi, an infectious disease doctor and professor of medicine at the University of California, San Francisco. https://www.salon.com/2022/12/11/do-19-vaccines-really-have-...
It's stupid to think that something that triggers an immune response is not going to have side effects.