You're probably referring to Biontech*, but when I got AstraZeneca the chances of dying from the virus for my age interval was only slightly more than the chance of dying from the vaccine, as calculated by the ECDC.
* which as an aside does cause myocarditis and pericardits in particular for young males. This is important because for example in Germany the incidence was 1 case from 17.271 doses for males in the 12-17 age range and in most cases the symptoms appeared after the second dose, which may mean that a booster could also trigger it.
* which as an aside does cause myocarditis and pericardits in particular for young males. This is important because for example in Germany the incidence was 1 case from 17.271 doses for males in the 12-17 age range and in most cases the symptoms appeared after the second dose, which may mean that a booster could also trigger it.