The immune response can be bad for some people. There are risks and side effects. They just happen to be massively outweighed by the benefits.
The vaccine does not cause illness but an inappropriate immune response can. The symptoms can be bad but generally are milder than the equivalent response to covid. Those at higher risk to vaccine side effects seems to be a similar cohort to those at risk of more severe reaction to covid.
The immune response can be bad for some people. There are risks and side effects. They just happen to be massively outweighed by the benefits.
The vaccine does not cause illness but an inappropriate immune response can. The symptoms can be bad but generally are milder than the equivalent response to covid. Those at higher risk to vaccine side effects seems to be a similar cohort to those at risk of more severe reaction to covid.