Sidenote: We were super thrilled when Patrick Dempsey’s character, Dr. Derek Shepherd, A.K.A.

McDreamy made asurprise cameo.

The criticism was aimed at actress Camilla Luddington, who plays Dr. Jo Wilson.

Camilla Luddington

You don’t need to be wasting PPE.

A disposable mask will work just fine."

That is why they are reserved for frontline workers, like the one Luddington plays on the show.

Camilla Luddington

But it turns out the commenter didn’t exactly have her facts straight.

We don’t also get an extra KN95 to wear between takes."

Her other show,Station 19, donated N95 masks.