Question

तिरुक्कुरल के ____ खांड हे । ​

Answer 1

पता नहीं...

Covishield is developed by the SII, Oxford University and AstraZeneca whereas Covaxin is developed by Bharat Biotech and ICMR

91.6 percent effective Covishield can be up to 90% effective and Covaxin has been found to be 78-81% effective