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Amazon's move to acquire digital pharmacy startup PillPack for a reported $1 billion marked its entrance into the online pharmacy space.
Analysts at Bernstein estimated that 50 to 70% of prescriptions could shift online, and that Walmart, CVS and Walgreens could try to acquire their own digital pharmacy startups.
Here are 10 emerging online pharmacies and related companies that could be the next targets, according to Bernstein.