---
title: "ZyCoV-D: World's First Human DNA Vaccine | Model Diplomat"
description: "ZyCoV-D is the world's first approved DNA vaccine for humans, offering a needle-free COVID-19 solution and significant relevance for health policy discussions."
url: "https://modeldiplomat.com/learn/glossary/dna-vaccine-zycov-d"
---

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Model Diplomat Research Team · Last reviewed June 22, 2026

TL;DR

- ZyCoV-D is a needle-free, three-dose plasmid DNA vaccine against COVID-19 developed by Zydus Cadila, becoming the world's first DNA vaccine approved for humans in 2021.
- Why is ZyCoV-D described as the world's first DNA vaccine?
- How does a DNA vaccine differ from an mRNA vaccine like Pfizer's or Moderna's?
- What is the significance of ZyCoV-D's needle-free delivery?
- Why does ZyCoV-D matter for India's biotechnology policy and UPSC GS3?

[Civil Service & Diplomatic Exams](https://modeldiplomat.com/learn/civil-services/glossary)Updated June 22, 2026

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India's Drugs Controller General granted ZyCoV-D, developed by Zydus Cadila in Ahmedabad, Emergency Use Authorisation on 20 August 2021, making it the world's first DNA vaccine approved for human use.

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