Baxter International Inc. (NYSE: BAX), is an American health care company with headquarters in Deerfield, Illinois. The company primarily focuses on products to treat hemophilia, kidney disease, immune disorders and other chronic and acute medical conditions. The company claims to have worldwide sales of $12.3 billion, across three manufacturing divisions (BioScience, producing blood plasma proteins; Medication Delivery producing intravenous therapy products and liquids; and Renal producing equipment for dialysis and the treatment of kidney disorders). The company is also involved in the production of a vaccine for the H1N1 influenza. The company was involved in several controversies. In 2001, malfunctioning dialysis machines resulted in several deaths; in 2008 the company supplied contaminated heparin; in 2009 lethal H5N1 avian flu virus was delivered to laboratories across Europe mixed with seasonal influenza vaccines; also, the company was charged with excessive billing of Kentucky Medicaid.