Apparently Humana is in talks with Walgreens about the possibility of taking stakes in each other and widening their partnership in some segments. This is, in my opinion a logical and a necessary move, given that all the players in the healthcare market are grouping together, eater through mergers and acquisitions or through some other forms of partnerships.
https://www.cnbc.com/2018/11/20/walgreens-and-humana-are-in-talks-to-take-stakes-in-each-other-dj-citing-sources.html