Chickenpox is caused by which of the following?

The $Aedes$ mosquito is responsible for the transmission of:

Assertion : Rabies is an infection of mammals,it involves central nervous system which may result in paralysis and finally death.
Reason : This is caused by neurotropic bacteria in saliva of rabies animal.

Which one of the following is a viral disease that weakens the muscles?

Which of the following is a communicable disease?

How many of the following diseases are caused by viruses?
Mumps,Smallpox,Common cold,Typhoid,Herpes,$AIDS$,Hepatitis-$B$,Pneumonia