DENVER--(BUSINESS WIRE)--Dec. 3, 2013-- DaVita®, a division of DaVita HealthCare Partners Inc. (NYSE: DVA) and a leading provider of kidney care services, announced that the company has exceeded its goal of vaccinating 90 percent of its dialysis patients for influenza and pneumonia this flu season.. As of Nov. 18, DaVita had vaccinated 91.6 percent of its patients for influenza and 92.3 ....