Changes

[[Image:Active Immunisation.jpg|thumb|right|150px|Active Immunisation - Copyright nabrown RVC]]

[[Image:Active Immunisation.jpg|thumb|right|150px|Active Immunisation - Copyright nabrown RVC]]

'''Active immunisation'''

'''Active immunisation'''

*Administer antigen so the patient's own antibodies protect against disease

*Administer antigen so the patient develops its own antibodies to protect against disease

**Living organisms

**Living organisms

**Dead organisms

**Dead organisms