
Oxford University +astrazeneca. Based on the bridal vector platform. Weakend version of common cold virus (knoun as an adenovirus. 12 to 16 week after the first dose. Efficiency of 76 % and symptomatic covid-19.
Covaxin
Bharat biotech international limited. Inactivated vaccine. Today’s give at in interval of 28 days. 78% efficiency.
Sputnik-v
Gamaleya national research institute. Of epidemiology and microbiology in Moscow. Viral vector vaccine. Ethnic vi vaccine is administered into dose at a gap of 21 days. Bhutni ka bhi efficiency 91.6% after phase 3 trials


