
If influenza was only CONTAGIOUS
after symptoms appear...
The Big Bang Theory Season 1, Episode 11

Stan Lee does not have
a CONTAGIOUS skin disease.
The Big Bang Theory Season 3, Episode 16

Her spontaneity
is CONTAGIOUS.
The Big Bang Theory Season 5, Episode 14

I'm sure she's not CONTAGIOUS.
The Big Bang Theory Season 1, Episode 11

She might be CONTAGIOUS.
The Big Bang Theory Season 7, Episode 6