Helene Kildegaard

I did not know it was a thing, but there were concerns that appendicitis was associated with mRNA COVID-19 vaccines from Moderna and Pfizer. Of course, I wanted to look into it and see if it really was a thing.

Apparently, there was a safety signal for appendicitis that was first seen in Pfizer’s phase 3 clinical trial where a higher number of cases of appendicitis were observed. There were also some observations in Israel that showed an “excess risk of appendicitis of 5.0 episodes per 100,000 individuals after vaccination.

However, a new study carefully looked at new data and found no association between the mRNA COVID-19 vaccines and appendicitis. Let’s look at that study.