Biology · Human Health and Diseases

Revaccination is recommended for individuals suspected of having received a counterfeit rabies vaccine primarily because:

Verified Solution4 OptionsUpdated: October 2026👁️1 View

1International travel guidelines mandate annual rabies vaccination for all travelers
2Rabies virus rapidly mutates, requiring frequent changes in vaccine composition
3Counterfeit vaccines may fail to induce adequate immunity✓
4Rabies vaccines contain live attenuated viruses that lose efficacy on repeat dosing

Correct answer

Counterfeit vaccines may fail to induce adequate immunity

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