What is rabies and how does it occur?

The term Rabies means madness and is a deadly disease caused mostly by dogs that have been bitten by bats and other rabies-infected animals.
Rabies is more common in countries where there are a large number of stray dogs and cats, especially in Asia and Africa. As per the World Health Organisation, 99% of human deaths caused by rabies happen through rabies transmitted through dogs. Except for Antarctica, Rabies is everywhere.