Vaccination protects a person from disease because it

Tunnel vision is caused by

Grave's disease is caused by the hypersecretion of thyroid hormone and is associated with the

Which of the following is responsible for cellular immunity

Kala -azar disease is causes by

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.