Covaxin shows 81% efficacy Subject: Science and Technology Context: Bharat Biotech reportedinterim clinical efficacy of 81% in the phase 3 clinical trial of its vaccine Covaxin. Concept: Covaxin is India’s first indigenous COVID-19 vaccine by Bharat Biotech is developed in collaboration with the Indian Council of Medical Research (ICMR). It is an inactivated […]