'THEY DIDN'T EVEN LOOK AT MY DOCUMENTATION' "Lots of people were xeroxing it, frankly lots of people were using it inappropriately to claim that they were in fact the health caretakers of their children," said Barbara Ferrer, director of the L.A. County Public Health Department. Madrigal dutifully got the required paperwork and brought it to an L.A. County vaccination site. He was turned away. "They didn't even look at my documentation," he said. Support for LAist comes from As Madrigal found, the new rules haven't trickled down to staff at every one of the county's hundreds of vaccine sites.