An infectious disease causing a mild fever and a rash of itchy inflamed pimples which turn to blisters and then loose scabs. It is caused by the herpes zoster virus and mainly affects children.
Chickenpox is an airborne disease which spreads easily through the coughs and sneezes of an infected person.It may be spread from one to two days before the rash appears until all lesions have crusted over.It may also spread through contact with the blisters.