Global pharmaceutical companies Aventis

However, despite their practical and societal value, vaccines remain only a small component of the global pharmaceutical market ( 5 billion out of 350 billion sales in 2000). The vaccine market is dominated by just four large manufacturers GlaxoSmithKline, Aventis Pasteur, Wyeth, and Merck Co. There is, however, a strong resurgence of interest in vaccines, with a growing cluster of small vaccine companies and biotech hrms, led by Chiron. 

In India, many global pharmaceutical players (Pfizer, Novartis, AstraZeneca, Eli Lilly, GSK, Aventis, Novo Nordisk, Bristol-Myers Squibb, Roche and Amgen - to name but a few) have expanded their existing clinical research investment and infrastmcture Table VI). According to estimates from Chiltem International, in 2005, outsourced clinical trials generated an estimated 71 million in revenues for Indian companies in this sector, and were predicted to grow to 318 million by 2010. 

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