Amazon has been pushing into health care for years, starting with wearable health devices and pharmacy services. But the nationwide expansion of its “Amazon Care” service is its biggest move in the rapidly growing telehealth industry, which could grow to a $20 billion sector over the next five years.

Most of Amazon’s telehealth and in-person offerings are likely covered by HIPAA, but some of Amazon’s other offerings, such as its partnership with Teladoc on the Alexa smart speaker, might fall into a gray area. Emily Birnbaum reports.

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