What should be the storage temperature and route for the Covishield vaccine?

Punjab CHO - 2021

Pharmacology

Easy

Appeared in: Punjab CHO - 2021

Explanation

The Covishield vaccine is a recombinant chimpanzee adenovirus vector vaccine that requires specific storage and handling to maintain its efficacy.
It must be stored at a refrigerated temperature between +2°C and +8°C and should never be frozen.
The correct route of administration is Intramuscular (IM), which ensures the vaccine is delivered into muscle tissue for an optimal immune response.
The standard dose is 0.5 ml, typically administered into the deltoid muscle of the upper arm.

Option B: The Intravenous (IV) route is incorrect. Administering vaccines directly into the bloodstream can cause rapid and severe systemic reactions and is not a standard practice for most vaccines, including Covishield.
Option C: The Subcutaneous (SC) route is incorrect for Covishield. This method involves injecting into the fatty tissue under the skin.
Option D: The Intradermal (ID) route is incorrect for Covishield. This route involves a very shallow injection into the top layer of the skin (dermis).

Clinical Relevance

Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Vaccine storage and administration guidelines for Covishield as background academic context rather than a clinical decision trigger.
A nurse's primary responsibility is to ensure the 'cold chain' is maintained from the point of storage to administration. A break in the cold chain can render the vaccine ineffective.
Proper injection technique is crucial for patient safety and vaccine efficacy. Using the IM route for Covishield minimizes local reactions and ensures the vaccine reaches the target immune cells in the muscle.
Patient education is key. The nurse should inform the patient about common side effects (e.g., pain at the injection site, fever, fatigue) and when to seek medical attention.

How to Approach the Question

First, identify the key components of the question: 'Covishield vaccine', 'storage temperature', and 'route'.
This is a factual recall question that tests your knowledge of specific vaccine protocols.
Recall the standard temperature for most refrigerated vaccines, which is 2-8°C. This is consistent across all options.
The main differentiator is the route of administration. Recall or deduce the correct route for major COVID-19 vaccines like Covishield.
Remember that most viral vector and inactivated vaccines are given intramuscularly (IM) to stimulate a strong immune response.
Eliminate the other routes: IV is for direct bloodstream access (rare for vaccines), SC is for vaccines like MMR, and ID is for vaccines like BCG.

Concept Tested & Keywords

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