Vaccine Vial Monitors (VVM) have been extensively used in the Pulse Polio Programme to assess the effectiveness of cold chain. According to the guidelines, the following changes in the VVM is an indication for discarding the vaccines –
Vaccine Vial Monitors (VVM) have been extensively used in the Pulse Polio Programme to assess the effectiveness of cold chain. According to the guidelines, the following changes in the VVM is an indication for discarding the vaccines –
💡 Explanation
Vaccine Vial Monitors (VVM) have been extensively used in the Pulse Polio Programme to assess the effectiveness of cold chain. According to the guidelines, the following changes in the VVM is an indication for discarding the vaccines -
✓ Correct Answer: D. Inner square is darker than outer circle
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