The importance of vaccine cold chain in immunisation drive

Vaccine cold chain
Image: Immayabharathi K

Vaccines travel far and wide from its manufacturing point till it is made available to all. Several precautions are taken to preserve vaccine quality during transport and distribution so that what the recipient gets is what is manufactured.

If optimal conditions are not met, vaccines can degrade and become useless, defeating the very purpose of making the vaccine.

To ensure the quality is maintained throughout, vaccines are transported under refrigeration. Vaccine Cold Chain is the term used for the long chain of stringent storage, transport, and distribution network of vaccines.

The efficacy of the vaccine cold chain impacts an immunisation drive’s success as any snags due to malfunction of equipment or human errors will severely compromise the vaccine potency.

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