Looks like some scary stuff here. Along with the CDC hiding results of data collection from the public I guess some people's hesitations are legit. Peer reviewed BTW.
Intracellular Reverse Transcription of Pfizer BioNTech COVID-19 mRNA Vaccine BNT162b2 In Vitro in Human Liver Cell Line.
https://www.mdpi.com/1467-3045/44/3/73/htm