Biology · Immunology
Polyvalent vaccines consist of:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1A single species without any strain variations
- 2More strains belonging only to completely different kingdoms
- 3A single antigen from a single organism
- 4Two or more strains of the same species or microorganism✓
Correct answer
Two or more strains of the same species or microorganism
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