Aetna's Humana deal to bring scrutiny on other insurer tie-ups -experts
July 03, 2015 at 16:13 PM EDT
NEW YORK, July 3 (Reuters) - Aetna Inc's $37 billion deal to buy smaller health insurer Humana Inc will face rigorous scrutiny from U.S. regulators, which antitrust experts said could also make other large-scale mergers in the sector more difficult.