Good morning ... Breaking overnight: Health insurer Cigna is looking to buy pharmacy benefit manager Express Scripts, per the WSJ. The deal could cost some $50 billion and would further the rapid consolidation within the health care industry.

What we're watching today: Energy and Commerce oversight subcommittee hearing on the response to this especially bad flu season. Senior officials from the NIH, the FDA and the CDC will testify.

Senate health committee hearing on states’ solutions to the opioid crisis.

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