Over the course of a week, President Trump went from telling Americans the coronavirus would disappear to declaring a national emergency. POLITICO's Gabby Orr gives an inside look at Trump's transformation — and how lingering problems at the White House are still fueling the crisis. Plus, the Fed makes a drastic move to jumpstart the economy. And the CDC is warning against mass gatherings.

In a tweet earlier this week, House Minority Leader Kevin McCarthy referred to COVID-19 as the "Chinese coronavirus." He said he stands by that wording despite the backlash. Congresswoman Judy Chu tells POLITICO's Jeremy Siegel why she thinks the tweet is xenophobic and dangerous.

Testing is key to understanding the scope of the coronavirus pandemic. POLITICO's Adam Cancryn explains why the US has had so many setbacks. Plus, Canadian PM Justin Trudeau's wife has tested positive for coronavirus. And Mickey Mouse is locking up his house.

The Italian government has shut down virtually all of the country amid the coronavirus crisis. POLITICO brings you an on-the-ground look at Tiffany Parks's life under lockdown in Rome.

In a rare Oval Office address last night, President Trump announced a series of steps aimed at curbing the spread of the coronavirus, including a 30-day ban on travel from most of Europe.

In a huge blow to Bernie Sanders, Joe Biden wins the Michigan primary. POLITICO's Scott Bland and Chris Cadelago dig into the 'Mini Tuesday' results — and what's next for Bernie. Plus, a shortage of critical lab materials is threatening coronavirus testing.

The Sanders campaign is hoping for another miracle in the state that saved him in 2016. But POLITICO's Tim Alberta says things aren't looking good for Bernie. Plus, lawmakers aren't just working to protect the nation from the spread of the coronavirus — they also have themselves to worry about.

Bernie and Biden are gearing up for tonight's primaries where a clear winner might finally emerge. But how well do you really know the candidates? POLITICO dug up some FACTS involving motorcycle jumping and a Soviet sauna.

Markets are plunging. People are panicking. The economic fallout from the coronavirus is spreading. POLITICO's Sudeep Reddy explains the crisis.

Amid mounting fears surrounding the coronavirus, the Trump administration is finding an opportunity to push long-sought policies including border restrictions, isolating China and broader tax cuts. Plus, a quarantined cruise ship is set to dock in California. And the US stock market teeters as European and Asia-Pacific stocks plunge.

President Trump has signed $8.3 billion in coronavirus funding. POLITICO's Caitlin Emma breaks down where the money would go. Plus, we're facing a deficit of medical testing kits as the number of coronavirus cases continues to rise.

POLITICO's Nancy Cook gives an inside look at how the Trump Administration is scrambling to contain the economic fallout from the coronavirus. Plus, should we be worried about how the virus is hitting the stock market?

With Bloomberg out and Elizabeth Warren considering ending her campaign, POLITICO's newsroom is tracking who's next. Plus, you might know which states went to Biden and Sanders on Super Tuesday, but — pop quiz — do you know their official state birds?

POLITICO reporters and editors race to get Super Tuesday results up as Joe Biden makes a surprise surge ahead. Plus, Scott Bland and Laura Barrón-López on where things stand after the biggest night of the primary.

Elena Schneider on what happens when both candidates you cover drop out just before Super Tuesday — and what happens when she hears Pete’s “Panic!” song. Plus, California’s votes could take weeks — weeks! — to count. And what if Liz Warren loses her home state?