Hyderabad-based Bharat Biotech has said that the results compare well with 65.2 per cent efficacy against Delta variant obtained during controlled phase 3 clinical trials of COVAXIN conducted among the general population.
Two doses of Covaxin are 50 per cent effective against symptomatic disease, according to the first real-world assessment of India's indigenous COVID-19 vaccine published in The Lancet Infectious Diseases journal.