In 2012, the Supreme Court ruled the Affordable Care Act could not mandate each state to expand Medicaid eligibility. That decision, in effect, created a nationwide experiment to see how uninsured rates would change when states opened up the program to more low-income people.

The bottom line: States that didn't expand Medicaid have much higher uninsured rates compared with states that expanded Medicaid, according to the latest Census Bureau data. Hospitals and doctors in Medicaid expansion states consequently recorded more patient visits, although that has tapered off.

Newsworthy: Texas and Florida, states that did not expand Medicaid and are grappling with the aftermath of two massive hurricanes, have two of the highest uninsured rates in the country (16.6% in Texas and 12.5% in Florida).

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Note: Thirty-one states and Washington, D.C. have expanded Medicaid as of January 1, 2017; Data: U.S. Census Bureau; Kaiser Family Foundation; Chart: Chris Canipe / Axios

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Coronavirus dashboard

Illustration: Aïda Amer/Axios

  1. Politics: Chris Christie: Wear a mask "or you may regret it — as I did" — Senate Democrats block vote on McConnell's targeted relief bill.
  2. Business: New state unemployment filings fall.
  3. Economy: Why the stimulus delay isn't a crisis (yet).
  4. Health: FDA approves Gilead's remdesivir as a coronavirus treatment How the pandemic might endMany U.S. deaths were avoidable.
  5. Education: Boston and Chicago send students back home for online learning.
  6. World: Spain and France exceed 1 million cases.

FBI: Russian hacking group stole data after targeting local governments

FBI Headquarters. Photo: Mark Wilson/Getty Images

Energetic Bear, a Russian state-sponsored hacking group, has stolen data from two servers after targeting state and federal government networks in the U.S. since at least September, the FBI and Cybersecurity and Infrastructure Security Agency said on Thursday.

Driving the news: Director of National Intelligence John Ratcliffe announced Wednesday that Iran and Russia had obtained voter registration information that could be used to undermine confidence in the U.S. election system.

FDA approves Gilead's remdesivir as a coronavirus treatment

A production line of Remdesivir. Photo: Fadel Dawood/picture alliance via Getty Images

Gilead Sciences on Thursday received approval from the Food and Drug Administration for remdesivir, an antiviral treatment that has shown modest results against treating COVID-19.

Why it matters: It's the first and only fully FDA-approved drug in the U.S. for treating the coronavirus.