There are three types of Vaccines for Corona Virus aka Covid 19.
Here is some valuable information on the three Types of Covid Vaccines
mRNA VACCINES give our cells instructions to make a harmless protein from the virus.
Example: Pfizer–BioNTech
PROTEIN SUBUNIT VACCINES contain harmless proteins from the virus.
Example: EpiVacCorona
VIRAL VECTOR VACCINES use a weakened virus to deliver DNA material that gives our cells instructions to make a harmless protein from the virus.
Example: AstraZeneca