She might be CONTAGIOUS.
The Big Bang Theory Season 7, Episode 6
If influenza was only CONTAGIOUS
after symptoms appear...
The Big Bang Theory Season 1, Episode 11
I'm sure she's not CONTAGIOUS.
The Big Bang Theory Season 1, Episode 11
...will be scanning his face
for signs of CONTAGIOUS skin disease?
The Big Bang Theory Season 3, Episode 16
Well, I hope you're not CONTAGIOUS.
The Big Bang Theory Season 9, Episode 12