The correct answer is (c).
Covishield is a COVID-19 vaccine developed by the University of Oxford and AstraZeneca. It is a viral vector vaccine, which means that it uses a weakened version of a different virus to deliver the genetic instructions for the COVID-19 spike protein. This protein is then recognized by the body’s immune system, which produces antibodies that can fight off the virus.
Covishield is manufactured by the Serum Institute of India, the world’s largest vaccine manufacturer. It has been approved for use in India, the United Kingdom, and several other countries.
Bharat Biotech is an Indian biotechnology company that develops vaccines and other biological products. It is the developer of the Covaxin COVID-19 vaccine.
Panacea Biotech is
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