NIH says India’s Covaxin is effective on Delta variant of COVID-19
Two studies of serum from Covaxin recipients by the NIH showed that antibodies are produced that neutralise SARS-CoV-2 variants B.1.1.7...
Two studies of serum from Covaxin recipients by the NIH showed that antibodies are produced that neutralise SARS-CoV-2 variants B.1.1.7...