What could you do if your data was working for you and not against you? With Bloomberg delivering

enterprise data directly to your systems, you get easy access to the details you want, optimized for

higher level analysis, and financial data experts committed to helping you maximize your every move.

Our data is made for more, so you can show the world what you're made of.

Visit Bloomberg.com slash enterprise data to learn more.

Welcome to Prognosis. I'm Laura Carlson. It's day 57 since coronavirus was declared a global pandemic. Our main story? Perhaps you've heard of antibody tests.

These tools, different from COVID-19 tests, which look for an active infection, can help determine whether you've had the

virus and recovered.

The federal government deemed them so important that it loosened regulations to get

a bunch of them produced quickly.

But that led to a flood of shady tests. Now the government is trying to tighten up again.

But first, here's what happened today.

It's a report that's become familiar.

The number of Americans filing for unemployment benefits

topped 3 million for a seventh straight week. The consistently high numbers suggest there's

little relief in sight for the economy since the coronavirus began closing restaurants, factories,

and offices from coast to coast in mid-March.

Initial jobless claims totaled 3.17 million in the week ending May 2nd,

according to a Labor Department report released today.

That brought the seven-week total to about 33.5 million.

In yet another move to make air travel safer, a new policy will require all U.S. airport security screeners to start wearing masks.

The Transportation Security Administration will announce the rule as soon as today, according to two people familiar with the discussions.

...