Serum Institute of India is one of the world's largest vaccine manufacturers, based in Pune, India. Founded in 1966 by Dr. Cyrus Poonawalla, the company produces millions of doses of vaccines annually, supplying vaccines to over 170 countries. The Serum Institute plays a crucial role in global immunization efforts, particularly in low- and middle-income countries.

The company is best known for producing vaccines for diseases such as polio, diphtheria, tetanus, and measles. During the COVID-19 pandemic, the Serum Institute gained international recognition for manufacturing Covishield, the Indian version of the Oxford-AstraZeneca COVID-19 vaccine. Serum Institute’s contribution to the global fight against COVID-19 made it a key player in ensuring vaccine accessibility worldwide.

Serum Institute of India is also involved in research and development for new vaccines, constantly innovating to address emerging health challenges. Its role in global public health, particularly in providing affordable vaccines to developing countries, has made it a crucial player in the pharmaceutical industry.