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
Her spontaneity
is CONTAGIOUS.
The Big Bang Theory Season 5, Episode 14
She might be CONTAGIOUS.
The Big Bang Theory Season 7, Episode 6
...will be scanning his face
for signs of CONTAGIOUS skin disease?
The Big Bang Theory Season 3, Episode 16