Covishield vaccine creates more antibodies than Covaxin though both produce a “good immune response”, says a pan-India study of healthcare workers who had received both doses of the vaccine. Says yet-to-be-published study, posted on the preprint repository MedRxiv on June 4.
Covishield is produced by by the Serum Institute of India in Pune. Covaxin is produced by by Hyderabad-based Bharat Biotech with ICMR and National Institute of virology.
The blood samples of those participated in the study were tested for the quantity of antibodies made and levels of that antibodies which are directed to the spike protein of the virus, considered as a proxy for protection.