Cyrus Poonawalla's privately owned Serum Institute of India is the world's largest producer of vaccines, making more than one billion doses annually from a factory in Pune in western India. It reported a nearly 50% jump in revenues last fiscal year on higher sales of such vaccines as MenAfriVac-a meningitis A vaccine that it sells in Africa-and a 5-in-1 vaccine that is part of India's immunization program. It recently launched an injectible polio vaccine, made by Dutch subsidiary Bilthoven Biologicals, in India. Poonawalla spent $15 million at recent art auctions in London for works by Renoir, Van Gogh, and others. He recently bought racehorse Kenhope for $1.2 million at a Paris auction.