Which vaccine type generally produces strong, long lasting immunity because it closely mimics natural infection?
Correct answer: C. Live attenuated vaccine
- A. Toxoid vaccine
- B. Inactivated whole cell vaccine
- C. Live attenuated vaccine
- D. Passive antiserum
Explanation
Live attenuated vaccines contain organisms weakened so they usually replicate without causing the full disease, generating broad immune responses. Passive antiserum provides ready made antibodies but does not create lasting active immunity.
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Covers the recognition, diagnosis, prevention and medical treatment of diseases affecting domestic animals, including infectious, metabolic, nutritional, toxic and organ-system disorders. It links history taking, physical examination, clinical signs, laboratory findings and differential diagnosis with appropriate therapy and herd or flock control.
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