There won't be any fillers or fragrances in the vaccines.
The Pfizer-BioNTech COVID-19 Vaccine includes the following ingredients: mRNA,
lipids ((4-hydroxybutyl)azanediyl)bis(hexane-6,1-diyl)bis(2-hexyldecanoate), 2
[(polyethylene glycol)-2000]-N,N-ditetradecylacetamide, 1,2-Distearoyl-sn-glycero-3-
phosphocholine, and cholesterol), potassium chloride, monobasic potassium
phosphate, sodium chloride, dibasic sodium phosphate dihydrate, and sucrose.
mRNA, fats, salt, sugar.
Much less to worry about than the virus. One downside of the vaccine is that once it is in a lot of people, there'll be a tendency for new, possibly resistant variants to pop up. Still, it's the best we can do.
