Tim Carman

The new study shows that diners were exposed to the virus in a matter of minutes at distances farther than six feet.

If you order tuna at a District of Columbia restaurant, chances are half the time you'll be getting another, less expensive fish in its place. But those odds are better than if you had wanted snapper. Testers nationwide found that 87 percent of the time, restaurants and grocery stores were selling something else under that label.