Walmart is in early discussions about buying health insurer Humana, the Wall Street Journal reports.

Between the lines: A combined Walmart and Humana would control pharmacies, health insurance and a pharmacy benefit manager. Sound familiar? It’s almost identical to the CVS-Aetna deal.

• Except Walmart and Humana would be geared heavily toward seniors and those living on more fixed incomes — the very same Medicare and Medicaid populations that have been growing like gangbusters as more baby boomers age and more states expand Medicaid to the poor.