Serum Institute of India Ltd., the world's largest vaccine manufacturer, plans to "slash the price of polio immunization and introduce shots for diarrhea and pneumonia, undercutting Pfizer Inc. and GlaxoSmithKline Plc.," Bloomberg Businessweek reports. According to Cyrus Poonawalla, founder of the company, Serum Institute "will use last year's acquisition of a Dutch vaccine business to add the injectable form of polio inoculation to the oral drops the Pune, India-based company supplies to organizations such as the United Nations Children's Fund, he said," the news service notes. "Serum Institute will enter the injectable polio vaccine market with a shot costing as little as 0.7 euros (93 cents) in multi-dose vials," compared with the current price of about 2.5 euros ($3.32) per shot, the news service writes.