This is the CBS evening news with Nora O'Donnell, reporting from the nation's capital.

Good evening, and thank you so much for joining us. The fear and panic surrounding coronavirus has reached a new level tonight with a number of new developments.

Today, the Dow had its worst one-day point drop,

falling nearly 1,200 points.

That's more than 4%.

This is now the worst week on Wall Street

since the financial crisis in 2008,

and adding to the concern,

a California woman diagnosed with the virus

and health officials have no idea where she got it.

And also tonight, new concern about the government response as a whistleblower claims federal health

employees lack training and protective gear when they interacted with quarantined Americans.

And then those federal employees scattered into the general population.

We have a team of correspondence covering all aspects of this.

Meg Oliver leads us off from Wall Street. Meg.

Nora, I've been talking to analysts all day here on Wall Street.

Stoking Fears was a warning from Goldman Sachs that the virus could slow economic activity across the planet.

The coronavirus has infected Wall Street.

Markets plunge for the six consecutive day today over fears of the virus spreading and halting global growth.

The stunning sell-off came as countries like the U.S.

and Germany received news today that patients with no obvious exposure to the coronavirus got it

anyway, what some are calling a turning point. Why is the selling continuing? Because there is

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