Biology · Immunology and Vaccination
If a DPT (Diphtheria, Pertussis, and Tetanus) vaccine has been accidentally frozen, what action should be taken?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1It should be shaken thoroughly and administered.
- 2It should be allowed to melt slowly before use.
- 3It must be discarded immediately.✓
- 4It should be brought to room temperature and used normally.
Correct answer
It must be discarded immediately.
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