Tuesday, January 07, 2025 | 07:57 PM ISTEN Hindi

Home / Health / Decoded: How Covid-19 vaccine efficacy helps to get an idea of protection

Decoded: How Covid-19 vaccine efficacy helps to get an idea of protection

Efficacy of a vaccine means its ability to stimulate immunity in a person who has received the shot

Israel, the country with the highest vaccination rate in the world, is headed for 75 per cent coverage in just two months

Premium

Compared to Covishield, which showed around 54 per cent efficacy if the two doses were administered four weeks apart, Covaxin’s efficacy data is superior with much higher efficacy at the same interval in doses.

Ruchika Chitravanshi New Delhi

4 min read Last Updated : Mar 05 2021 | 6:10 AM IST

With 81 per cent efficacy in the interim findings, Bharat Biotech’s Covaxin has got a shot in the arm to dispel doubts about a vaccine that is among the two being administered as part of the nationwide inoculation drive.

What is the meaning of vaccine efficacy?

Vaccinology talks about minimum essential function or the MEF of a vaccine, which includes safety and efficacy. Efficacy of a vaccine means its ability to stimulate immunity in a person who has received the shot. It is meant to significantly reduce the probability of disease — mild, moderate or severe — in a person

Topics : Coronavirus Vaccine Serum Institute of India Bharat Biotech World Health Organization Dr Reddy’s Laboratories Johnson & Johnson

What you get on BS Premium?

Unlock 30+ premium stories daily hand-picked by our editors, across devices on browser and app.
Pick your 5 favourite companies, get a daily email with all news updates on them.
Full access to our intuitive epaper - clip, save, share articles from any device; newspaper archives from 2006.
Preferential invites to Business Standard events.
Curated newsletters on markets, personal finance, policy & politics, start-ups, technology, and more.

VIEW ALL FAQs

Need More Information - write to us at assist@bsmail.in