https://phmpt.org/wp-content/uploads/2021/11/5.3.6-postmarke...
It is claims in Pfizer's own documents that in the first 90 days 42,086 adverse reactions were logged, of which 25,379 were medically confirmed. Pfizer reported that these resulted in 1223 deaths.
This was Dec through Feb 2020 before wide scale roll out. We don't know how many doses were given out since that number is redacted by the FDA.