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Cyrus Poonawalla Group

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Indian group whose holdings include the privately owned Serum Institute of India, described as India's top biotech company and the world's largest vaccine manufacturer by doses produced and sold.

Last updated September 15, 2026

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Overview

The Cyrus Poonawalla Group is an Indian group chaired by Dr. Cyrus S. Poonawalla, who is its Chairman and Managing Director. The group includes the privately owned Serum Institute of India, described as India's top biotech company and the world's largest vaccine manufacturer by number of doses produced and sold globally (more than 1.3 billion doses). Dr. Poonawalla founded Serum Institute of India in 1966.

History

Dr. Cyrus S. Poonawalla is Chairman of the Poonawalla Group, which includes the privately owned Serum Institute of India, described as India's top biotech company and the world's largest vaccine manufacturer by number of doses produced and sold globally (more than 1.3 billion doses). In 1966 Dr. Poonawalla founded Serum Institute of India (SII), which launched its first therapeutic anti-tetanus serum within two years and began producing anti-tetanus vaccines. By 1974 Serum Institute introduced the DTP vaccine, which protects children from diphtheria, tetanus and pertussis, followed by an anti-snake-venom serum for snakebites in 1981. In 1989 Serum Institute began production of its Measles Vaccine M-Vac, and within a year Serum Institute became the country's largest vaccine manufacturer.

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