Question

there are three vaccines that were made using gmo tech, which of the following is not one of them.
pfizer covid vaccine
human papillomavirus vaccine
hepatitis b vaccine
rotavirus vaccine

Explanation:

Pfizer COVID vaccine is an mRNA vaccine, which does not use GMO (Genetically Modified Organism) technology. Rotavirus vaccine, Hepatitis B vaccine, and Human papillomavirus vaccine are made using GMO - related techniques. For example, the Hepatitis B vaccine is produced by recombinant DNA technology (a form of GMO - related biotechnology).

Answer:

Pfizer covid vaccine