UnitedHealth buys 90 percent stake in Brazil's Amil for $4.9 billion
Amil provides health and dental benefits, hospital and clinical services and advanced care management resources to more than 5 million people, the companies said in a statement.
The deal is expected to slightly add to UnitedHealth's 2013 earnings per share, the companies said.
(Reporting by Esha Dey in Bangalore; Editing by Saumyadeb Chakrabarty)