Covaxin shows 100% efficacy against severe Covid-19, works well on variants

“The tireless efforts of our scientists at ICMR and BBIL have resulted in a truly effective international vaccine of the highest standards and efficacy,” said ICMR director-general Prof Balram Bhargava, who is also the secretary at department of health research. “I am also happy to note that Covaxin works well against most variants of SARS-CoV-2.”