“Your test result that you got Saturday morning was from Thursday when you got tested, and it said, ‘On Thursday, you were negative,’” Ferrer said. “It says nothing about whether you’re still negative on Saturday.
“I do want people to understand that testing on Thursday so you can party on Saturday: That doesn’t work. It’s not a good idea. It’s not effective and you really are in some ways wasting a valuable resource,” Ferrer said.