Vaccines

Vaccines:

Vaccines Contain - 

• A dead pathogen
• A weakened pathogen
• An attenuated* pathogen            *not capable of reproducing
• The antigen alone

The vaccine is given containing the antigen is given. Specific B cells activated for the first time, the B cells divide by mitosis producing the first clone of B memory cells. A booster is given later on with more of the same antigen. This will activate the specific B cells again. B memory cells use mitosis to divide and form…