Because they only have Ebola!
Doctors without boarders.
The parrot says, "Africa." (I don't know if you know this one, but I just heard it today)
Because she couldn't see that well. *crickets, crickets*
A walnut. *crickets* Thank you, thank you.
Because if it affected an Apple it'd be called I-Bola.
The Cowboys Stadium. Because they can't catch anything there.