Axios

A federal judge on Friday denied a temporary restraining order that would have prevented a former employee of Optum, which is part of UnitedHealth Group, from joining the new health venture started by Amazon, Berkshire Hathaway and JPMorgan Chase.

The bottom line: It's still unclear what the so-called ABC company will do. But UnitedHealth does not want the ex-employee, David Smith, to work for it because UnitedHealth views the company as a competitor, and it believes Smith could divulge trade secrets. The next step is arbitration.

Purdue Pharma intentionally decided not to correct doctors' misperceptions about the strength of OxyContin, according to a deposition obtained by ProPublica.

Why it matters: There's a mountain of evidence piling up, even in public, that suggests the Sackler family knew its product was highly addictive, but blew past any concerns about that fact in search of higher and higher profits, helping to create the opioid epidemic.

Anti-vaccination content that has long appeared in search results and on social media is getting renewed attention after the U.S. government attributed recent measles outbreaks in part to reduced vaccination levels in some areas.

Why it matters: The renewed spotlight on the issue has prompted members of Congress to demand answers from platforms about how they intend to handle conspiracy theories that could impact public safety.

A nonprofit company in Michigan filed a lawsuit this week against Blue Cross Blue Shield of Michigan, alleging the health insurance company "illegally skimmed" extra money from the company in the form of "hidden fees."

Why it matters: Most employers are self-insured, including the one in this lawsuit, which means they pay workers' medical claims and hire insurers to do back-end work. But hiring insurers also leads to other various fees for employers, some of which may go unnoticed.