How is ZyCoV-D different from the other COVID-19 vaccines?
Unlike other intramuscular vaccines available around the world, ZyCov-D is very different in terms of mode of administration and the number of doses:
1. ZyCoV-D is a genetic or nucleic acid vaccine. It is a three-dose vaccine that needs to be administered on day 1, day 28, and day 56.
2. Unlike other vaccines, ZyCov-D is a needle-free Covid-19 jab. It uses the ‘Jet Injector’ method, a technique where the needle piercing the skin is replaced by a pressure jet injecting the liquid directly through the upper layer of the skin and into the underlying tissues. This method is a great help for those who show hesitancy because of a fear of needles. Further, the absence of needles can also lead to a significant reduction in side effects like pain at the injection site, swelling, rash, and arm soreness.
3. As per the interim analysis from Phase 3 clinical trials, in over 28,000 volunteers, Zydus Cadila’s COVID vaccine has shown an efficacy rate of 66.6 percent for symptomatic Reverse Transcription Polymerase Chain Reaction (RT-PCR) positive cases.
4. Moreover, ZyCoV-D is the first vaccine candidate found to be eligible for use for children above the age of 12.
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