Vaccines are made up of ________?

A. Weakened pathogen
B. Live pathogen
C. Dead pathogen
D. All of these

Vaccines

Immunogen consists of a suspension of weakened or dead pathogenic cells injected in order to stimulate the production of antibodies.

Vaccines are made up of Weakened pathogens, Live pathogens Or Dead pathogen.

A vaccine is a serum formulated either from dead or live or attenuated [weakened]. pathogens. Several forms of bacteria are used in manufacturing vaccines.

When a vaccine is issued to a person, the body generates immunity against the pathogen the vaccine was made from. A vaccine is an antigenic substance that produces immunity against a disease which can be given through needle injections or by mouth or aerosol.