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→What do we vaccinate with?
'''Active immunisation'''
'''Active immunisation'''
[[Image:Active Immunisation.jpg|thumb|right|150px|Active Immunisation - Copyright nabrown RVC]]
*Administer antigen so the patient's own antibodies protect against disease
*Administer antigen so the patient's own antibodies protect against disease
**Living organisms
**Living organisms
**Subunit antigens
**Subunit antigens
**DNA
**DNA
*Delay in protection
*Delay in protection