Riddle

I am carried by mad animals. What am I?

Choose an answer

A.Poison
B.A virus
C.Venom
D.Rabies
Hint: It's a word with 6 letters, starting with "R".

Answer

Rabies

Why this is the answer

Rabies is a disease transmitted through the bite of an infected ('mad') animal.

This riddle is filed under "What Am I?" Riddles and rated Medium.