Ed Reinke / AP

Humana is ready to jump ship completely on Obamacare. Executives said Tuesday that Humana "cannot continue to offer" Obamacare coverage for 2018, saying that the recent enrollment period showed the exchanges still have too many sick people and not enough healthy enrollees.

Humana spokesman Tom Noland confirmed that Humana, which had already scaled back its Obamacare participation, would stop selling coverage both on and off the individual exchanges in 2018. It has 152,000 customers in those plans. Federal law bars insurers from re-entering the marketplaces for five years, assuming they discontinue all types of individual policies.

Why this matters: Humana is now the first health insurance company to publicly come out and say it will completely end all Obamacare plans after this year. Other insurers are debating their participation internally and are waiting for President Trump and Republicans in Congress to put out an Obamacare replacement plan before they commit to the individual market. But the inability of Republicans to coalesce around a new plan is starting to have a real effect.

What to watch for: This could be the beginning of a domino effect in the individual market. If the Trump administration doesn't adequately stabilize the exchanges, more insurers could follow Humana, leaving many consumers out of health insurance options for 2018.

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Updated 31 mins ago - Politics & Policy

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Illustration: Aïda Amer/Axios

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What Matters 2020

The missed opportunities for 2020 and beyond

Photo illustration: Sarah Grillo/Axios. Photos: Jason Armond (Los Angeles Times), Noam Galai, Jabin Botsford (The Washington Post), Alex Wong/Getty Images

As the 2020 presidential campaign draws to a close, President Trump and Joe Biden have focused little on some of the most sweeping trends that will outlive the fights of the moment.

Why it matters: Both have engaged on some issues, like climate change and China, on their own terms, and Biden has addressed themes like economic inequality that work to his advantage. But others have gone largely unmentioned — a missed opportunity to address big shifts that are changing the country.

Pence chief of staff Marc Short tests positive for coronavirus

Marc Short with Katie Miller, Vice President Pence's communications director, in March. Photo: Doug Mills/The New York Times via Reuters

Marc Short, Vice President Mike Pence’s chief of staff, tested positive for the coronavirus Saturday and is quarantining, according to a White House statement.

Why it matters: Short is Pence's closest aide, and was one of the most powerful forces on the White House coronavirus task force.