The shake test shown below can be done to know:
Correct Answer: Whether vaccine had been frozen at some point of time in the cold chain
Description: Shake test: - Test done to check cold damage to Vaccine due to freezing. - Once the vaccine is frozen, it tends to form flakes which gradually settle to the bottom, after the l is shaken. - Thus, sedimentation occurs faster in a vaccine l which has been frozen as compared to control l. - These ls should be discarded irrespective of their expiry date. - Used for DPT, DT, TT or Hepatitis B
Category:
Pediatrics
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