Some words of encouragement and praise have been left all along UPMC Chautauqua in Jamestown.

At least two messages, “U-R-A Rock Star,” and “Some superheroes wear srubs. Thank you,” were left at the staff entrance to the hospital. It’s not known who left the messages.

First responders — including nurses, doctors and emergency medical technicians — are being praised around the world for their help in battling the coronavirus.