Types of immunity Flashcards
1
Q
Host produces antibodies in response to natural antigens or artificial antigens
A
Active immunity
2
Q
⚬ Antibodies are formed in presence of active infection in the body
⚬ Duration lifelong
A
natural active immunity (active immunity)
3
Q
• Artificial active immunity
⚬ Antigens administered to stimulate antibody formation
⚬ Lasts for many years
⚬ Reinforced by booster
A
Active immunity
4
Q
• Host receives natural or artificial antibodies produced from another source
Natural passive immunity
⚬ Antibodies transferred naturally from an immune mother to baby through the placenta or in colostrums
⚬ Lasts 6 months to 1 year
Artificial passive immunity
⚬ Occurs when immune serum (antibody) from an animal or another human is injected
⚬ Lasts 2 to 3 weeks
A
passive immunity
