pic.twitter.com/VkFrkluQuaCovaxin is one of the frontrunners in the race for a Covid-19 vaccine in India. It is an “inactivated" vaccine — it works by injecting doses of the virus that have been killed aiming to prompt the body to build antibodies against it without the virus posing a threat.Each stage of a vaccine’s clinical trial tests its safety and ability to develop an effective immune response.
Phase 1 focuses on determining safety and dosage in a small group of healthy participants, while the second phase looks at the vaccine’s effectiveness.
The third phase looks into these aspects in a much larger population that would represent a wider demographic.Zydus Cadila's candidate based on viral DNA is the other Indian COVID-19 vaccines in.