Biology · Human Diseases
Which of the following statements regarding immunity and vaccines is INCORRECT?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Passive immunity is directly achieved long-term immunity that occurs immediately after taking a toxoid vaccine.✓
- 2BCG vaccine is made up of live, attenuated disease-producing microorganisms.
- 3Diphtheria and tetanus are controlled by the administration of toxoids.
- 4Killed vaccines are made up of dead or inactivated disease-producing microorganisms.
Correct answer
Passive immunity is directly achieved long-term immunity that occurs immediately after taking a toxoid vaccine.
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