This is the first ingredient in Pfizer's corona vaccine:

((4-hydroxybutyl) azanediyl) bis (hexane-6,1-diyl) bis (2-hexyldecanoate) (ALC-0315).

Not so easy to understand, so we enlisted the help of virus researcher Ali Mirazimi to translate the table of contents and understand what the vaccine actually contains.

- As a whole, it is a fairly pure vaccine that contains few chemicals, says Ali Mirazimi, virus researcher at Karolinska Institutet.