
BioNTech-Pfizer vaccine most common adverse events reported in Spain 2022
44,280 adverse events were identified following the administration of the Comirnaty Original vaccine (Pfizer/BioNTech) in Spain.
As of December 31, 2022, around 14,398 cases of pyrexia (fever) had been reported after administering the Pfizer/BioNTech vaccine against COVID-19 in Spain. Pyrexia was the most common adverse event recorded, followed by headache and myalgia. By that time, approximately