The first is a detailed analyses of some glaring problems with the Pfizer vaccine:
More Problems With the Pfizer-BioNTech COVID-19 Vaccine Trial Data
The second explains the problems with Lipid NanoParticles (LNP) in the Moderna vaccine; LNPs are present in all of the mRNA covid vaccines:
How Safe Are the Nanoparticles in Moderna’s Vaccine?
The third is a brief history of Moderna, the company:
Lavishly funded Moderna hits safety problems in bold bid to revolutionize medicine