Only in America will you find a sign like this one on the entrance to your pediatrician's office.
Like it would be normal to carry any of these with a sick kid in tow. Or at any time.
P.S. In case you've missed them, check out Part 1 of the photo series here, Part 2 here, Part 3 here, Part 4 here , Part 5 here and Part 6 here.